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Package "linux-hwe-5.15-tools-host"

Name: linux-hwe-5.15-tools-host

Description:

Linux kernel VM host tools

Latest version: 5.15.0-54.60~20.04.1
Release: focal (20.04)
Level: proposed
Repository: main
Head package: linux-hwe-5.15

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Repository Area Version
security main 5.15.0-53.59~20.04.1
updates main 5.15.0-53.59~20.04.1
PPA: Canonical Kernel Team 5.15.0-54.60~20.04.1

Changelog

Version: 5.15.0-54.60~20.04.1 2022-11-22 02:06:24 UTC

  linux-hwe-5.15 (5.15.0-54.60~20.04.1) focal; urgency=medium

  * focal/linux-hwe-5.15: 5.15.0-54.60~20.04.1 -proposed tracker (LP: #1996341)

  [ Ubuntu: 5.15.0-54.60 ]

  * jammy/linux: 5.15.0-54.60 -proposed tracker (LP: #1996342)
  * Packaging resync (LP: #1786013)
    - [Packaging] update variants
    - debian/dkms-versions -- update from kernel-versions (main/2022.11.14)
  * TEE Support for CCP driver (LP: #1991608)
    - crypto: ccp: Add support for TEE for PCI ID 0x14CA
  * alsa: soc: the kernel print UBSAN calltrace on the machine with cs35l41
    codec (LP: #1996121)
    - ASoC: cs35l41: Add one more variable in the debug log
    - ASoC: cs35l41: Fix an out-of-bounds access in otp_packed_element_t
  * Fix ath11k deadlock on WCN6855 (LP: #1995041)
    - wifi: ath11k: avoid deadlock during regulatory update in
      ath11k_regd_update()
  * [UBUNTU 20.04] boot: Add s390x secure boot trailer (LP: #1996071)
    - s390/boot: add secure boot trailer
  * Fix rfkill causing soft blocked wifi (LP: #1996198)
    - platform/x86: hp_wmi: Fix rfkill causing soft blocked wifi
  * Fix Thunderbolt device hotplug fail when connect via thunderbolt dock
    (LP: #1991366)
    - PCI: Fix used_buses calculation in pci_scan_child_bus_extend()
    - PCI: Pass available buses even if the bridge is already configured
    - PCI: Move pci_assign_unassigned_root_bus_resources()
    - PCI: Distribute available resources for root buses, too
    - PCI: Fix whitespace and indentation
    - PCI: Fix typo in pci_scan_child_bus_extend()
  * md: Replace snprintf with scnprintf (LP: #1993315)
    - md: Replace snprintf with scnprintf
  * input/keyboard: the keyboard on some Asus laptops can't work (LP: #1992266)
    - ACPI: resource: Skip IRQ override on Asus Vivobook K3402ZA/K3502ZA
    - ACPI: resource: Add ASUS model S5402ZA to quirks
  * Fix Turbostat is not working for fam: 6 model: 191: stepping: 2 CPU
    (LP: #1991365)
    - tools/power turbostat: Add support for RPL-S
  * pcieport 0000:00:1b.0: PCIe Bus Error: severity=Uncorrected (Non-Fatal),
    type=Transaction Layer, (Requester ID) (LP: #1988797)
    - PCI/PTM: Cache PTM Capability offset
    - PCI/PTM: Add pci_upstream_ptm() helper
    - PCI/PTM: Separate configuration and enable
    - PCI/PTM: Add pci_suspend_ptm() and pci_resume_ptm()
    - PCI/PTM: Move pci_ptm_info() body into its only caller
    - PCI/PTM: Preserve RsvdP bits in PTM Control register
    - PCI/PTM: Reorder functions in logical order
    - PCI/PTM: Consolidate PTM interface declarations
    - PCI/PM: Always disable PTM for all devices during suspend
    - PCI/PM: Simplify pci_pm_suspend_noirq()
  * Fix RPL-S support on powercap/intel_rapl (LP: #1990161)
    - x86/cpu: Drop spurious underscore from RAPTOR_LAKE #define
    - x86/cpu: Add new Alderlake and Raptorlake CPU model numbers
    - x86/cpu: Add new Raptor Lake CPU model number
    - powercap: intel_rapl: add support for RaptorLake
    - powercap: intel_rapl: Add support for RAPTORLAKE_P
    - powercap: intel_rapl: Add support for RAPTORLAKE_S
  * AMD Yellow Carp system hang on HDMI plug in/out over HP hook2 docking
    (LP: #1991974)
    - drm/amd/display: Fix for link encoder access for MST.
    - drm/amd/display: Fix MST link encoder availability check.
    - drm/amd/display: FEC configuration for dpia links
    - drm/amd/display: FEC configuration for dpia links in MST mode
    - drm/amd/display: Add work around for tunneled MST.
  * Jammy update: v5.15.74 upstream stable release (LP: #1995638)
    - nilfs2: fix NULL pointer dereference at nilfs_bmap_lookup_at_level()
    - nilfs2: fix use-after-free bug of struct nilfs_root
    - nilfs2: fix leak of nilfs_root in case of writer thread creation failure
    - nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure
    - ceph: don't truncate file in atomic_open
    - random: restore O_NONBLOCK support
    - random: clamp credited irq bits to maximum mixed
    - ALSA: hda: Fix position reporting on Poulsbo
    - efi: Correct Macmini DMI match in uefi cert quirk
    - USB: serial: qcserial: add new usb-id for Dell branded EM7455
    - Revert "powerpc/rtas: Implement reentrant rtas call"
    - Revert "crypto: qat - reduce size of mapped region"
    - random: avoid reading two cache lines on irq randomness
    - random: use expired timer rather than wq for mixing fast pool
    - Input: xpad - add supported devices as contributed on github
    - Input: xpad - fix wireless 360 controller breaking after suspend
    - misc: pci_endpoint_test: Aggregate params checking for xfer
    - misc: pci_endpoint_test: Fix pci_endpoint_test_{copy,write,read}() panic
    - Linux 5.15.74
  * Jammy update: v5.15.73 upstream stable release (LP: #1995637)
    - Makefile.extrawarn: Move -Wcast-function-type-strict to W=1
    - docs: update mediator information in CoC docs
    - xsk: Inherit need_wakeup flag for shared sockets
    - mm: gup: fix the fast GUP race against THP collapse
    - powerpc/64s/radix: don't need to broadcast IPI for radix pmd collapse flush
    - firmware: arm_scmi: Improve checks in the info_get operations
    - firmware: arm_scmi: Harden accesses to the sensor domains
    - firmware: arm_scmi: Add SCMI PM driver remove routine
    - dmaengine: xilinx_dma: Fix devm_platform_ioremap_resource error handling
    - dmaengine: xilinx_dma: cleanup for fetching xlnx,num-fstores property
    - dmaengine: xilinx_dma: Report error in case of dma_set_mask_and_coherent API
      failure
    - ARM: dts: fix Moxa SDIO 'compatible', remove 'sdhci' misnomer
    - scsi: qedf: Fix a UAF bug in __qedf_probe()
    - net/ieee802154: fix uninit value bug in dgram_sendmsg
    - net: marvell: prestera: add support for for Aldrin2
    - ALSA: hda/hdmi: Fix the converter reuse for the silent stream
    - um: Cleanup syscall_handler_t cast in syscalls_32.h
    - um: Cleanup compiler warning in arch/x86/um/tls_32.c
    - arch: um: Mark the stack non-executable to fix a binutils warni

1786013 Packaging resync
1996121 alsa: soc: the kernel print UBSAN calltrace on the machine with cs35l41 codec
1996071 [UBUNTU 20.04] boot: Add s390x secure boot trailer
1996198 Fix rfkill causing soft blocked wifi
1991366 Fix Thunderbolt device hotplug fail when connect via thunderbolt dock
1993315 md: Replace snprintf with scnprintf
1992266 input/keyboard: the keyboard on some Asus laptops can't work
1991974 AMD Yellow Carp system hang on HDMI plug in/out over HP hook2 docking
1995638 Jammy update: v5.15.74 upstream stable release
1995637 Jammy update: v5.15.73 upstream stable release
1995517 Jammy update: v5.15.72 upstream stable release
1995420 Jammy update: v5.15.71 upstream stable release
1995415 Jammy update: v5.15.70 upstream stable release
1993010 Jammy update: v5.15.69 upstream stable release
1993003 Jammy update: v5.15.68 upstream stable release
1991841 Jammy update: v5.15.67 upstream stable release
1991840 Jammy update: v5.15.66 upstream stable release
1991831 Jammy update: v5.15.65 upstream stable release
CVE-2022-2663 An issue was found in the Linux kernel in nf_conntrack_irc where the message handling can be confused and incorrectly matches the message. A firewall
CVE-2022-3061 Found Linux Kernel flaw in the i740 driver. The Userspace program could pass any values to the driver through ioctl() interface. The driver doesn't c

Version: *DELETED* 2022-11-15 18:07:31 UTC
No changelog for deleted or moved packages.

Version: 5.15.0-53.59~20.04.1 2022-10-25 14:07:20 UTC

  linux-hwe-5.15 (5.15.0-53.59~20.04.1) focal; urgency=medium

  * focal/linux-hwe-5.15: 5.15.0-53.59~20.04.1 -proposed tracker (LP: #1992017)

  [ Ubuntu: 5.15.0-53.59 ]

  * Fix blank screen on Thinkpad ADL 4K+ panel (LP: #1980621)
    - drm/i915: Implement WaEdpLinkRateDataReload
  * Kernel regresses openjdk on riscv64 (LP: #1992484)
    - SAUCE: Revert "riscv: mmap with PROT_WRITE but no PROT_READ is invalid"
  * iavf: SR-IOV VFs error with no traffic flow when MTU greater than 1500
    (LP: #1983656)
    - iavf: Fix set max MTU size with port VLAN and jumbo frames
    - i40e: Fix VF set max MTU size
  * [Ubuntu 22.04] mpt3sas: Request to include latest bug fix patches
    (LP: #1965927)
    - scsi: mpt3sas: Remove scsi_dma_map() error messages
    - scsi: mpt3sas: Update persistent trigger pages from sysfs interface
  * ACPI: processor idle: Practically limit "Dummy wait" workaround to old Intel
    systems (LP: #1990985)
    - ACPI: processor idle: Practically limit "Dummy wait" workaround to old Intel
      systems
  * Fix resume on AMD platforms when TBT monitor is plugged (LP: #1990920)
    - SAUCE: Revert "drm/amd/display: Add helper for blanking all dp displays"
    - drm/amd/display: Detect dpcd_rev when hotplug mst monitor
    - drm/amd/display: Release remote dc_sink under mst scenario
  * LSM: Configuring Too Many LSMs Causes Kernel Panic on Boot (LP: #1987998)
    - SAUCE: LSM: Change Landlock from LSMBLOB_NEEDED to LSMBLOB_NOT_NEEDED
  * To support Intel Maple Ridge Thunderbolt [8086:1134] (LP: #1990240)
    - thunderbolt: Add support for Intel Maple Ridge single port controller
  * Intel graphic driver is not probing[8086:468b] (LP: #1990242)
    - drm/i915/adl_s: Update ADL-S PCI IDs
    - drm/i915: Add new ADL-S pci id
  * Add HDMI codec ID for Intel Raptor Lake (LP: #1989578)
    - ALSA: hda: Add PCI and HDMI IDs for Intel Raptor Lake
  * Jammy update: v5.15.64 upstream stable release (LP: #1991717)
    - wifi: rtlwifi: remove always-true condition pointed out by GCC 12
    - eth: sun: cassini: remove dead code
    - audit: fix potential double free on error path from fsnotify_add_inode_mark
    - cgroup: Fix race condition at rebind_subsystems()
    - parisc: Make CONFIG_64BIT available for ARCH=parisc64 only
    - parisc: Fix exception handler for fldw and fstw instructions
    - kernel/sys_ni: add compat entry for fadvise64_64
    - x86/entry: Move CLD to the start of the idtentry macro
    - block: add a bdev_max_zone_append_sectors helper
    - block: add bdev_max_segments() helper
    - btrfs: zoned: revive max_zone_append_bytes
    - btrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info->max_extent_size
    - btrfs: convert count_max_extents() to use fs_info->max_extent_size
    - Input: i8042 - move __initconst to fix code styling warning
    - Input: i8042 - merge quirk tables
    - Input: i8042 - add TUXEDO devices to i8042 quirk tables
    - Input: i8042 - add additional TUXEDO devices to i8042 quirk tables
    - drivers/base: fix userspace break from using bin_attributes for cpumap and
      cpulist
    - scsi: qla2xxx: Fix response queue handler reading stale packets
    - scsi: qla2xxx: edif: Fix dropped IKE message
    - btrfs: put initial index value of a directory in a constant
    - btrfs: pass the dentry to btrfs_log_new_name() instead of the inode
    - btrfs: remove unnecessary parameter delalloc_start for writepage_delalloc()
    - riscv: lib: uaccess: fold fixups into body
    - riscv: lib: uaccess: fix CSR_STATUS SR_SUM bit
    - xfrm: fix refcount leak in __xfrm_policy_check()
    - xfrm: clone missing x->lastused in xfrm_do_migrate
    - xfrm: policy: fix metadata dst->dev xmit null pointer dereference
    - fs: require CAP_SYS_ADMIN in target namespace for idmapped mounts
    - net: use eth_hw_addr_set() instead of ether_addr_copy()
    - Revert "net: macsec: update SCI upon MAC address change."
    - NFS: Don't allocate nfs_fattr on the stack in __nfs42_ssc_open()
    - NFSv4.2 fix problems with __nfs42_ssc_open
    - SUNRPC: RPC level errors should set task->tk_rpc_status
    - mm/smaps: don't access young/dirty bit if pte unpresent
    - ntfs: fix acl handling
    - rose: check NULL rose_loopback_neigh->loopback
    - r8152: fix the units of some registers for RTL8156A
    - r8152: fix the RX FIFO settings when suspending
    - nfc: pn533: Fix use-after-free bugs caused by pn532_cmd_timeout
    - ice: xsk: Force rings to be sized to power of 2
    - ice: xsk: prohibit usage of non-balanced queue id
    - net/mlx5e: Properly disable vlan strip on non-UL reps
    - net/mlx5: Avoid false positive lockdep warning by adding lock_class_key
    - net/mlx5e: Fix wrong application of the LRO state
    - net/mlx5e: Fix wrong tc flag used when set hw-tc-offload off
    - net: ipa: don't assume SMEM is page-aligned
    - net: phy: Don't WARN for PHY_READY state in mdio_bus_phy_resume()
    - net: moxa: get rid of asymmetry in DMA mapping/unmapping
    - bonding: 802.3ad: fix no transmission of LACPDUs
    - net: ipvtap - add __init/__exit annotations to module init/exit funcs
    - netfilter: ebtables: reject blobs that don't provide all entry points
    - bnxt_en: fix NQ resource accounting during vf creation on 57500 chips
    - netfilter: nf_tables: disallow updates of implicit chain
    - netfilter: nf_tables: make table handle allocation per-netns friendly
    - netfilter: nft_payload: report ERANGE for too long offset and length
    - netfilter: nft_payload: do not truncate csum_offset and csum_type
    - netfilter: nf_tables: do not leave chain stats enabled on error
    - netfilter: nft_osf: restrict osf to ipv4, ipv6 and inet families
    - netfilter: nft_tunnel: restrict it to netdev family
    - netfilter: nf_tables: consolidate rule verdict trace call
    - netfilter: nft_cmp: optimize comparison for 16-bytes
    - netfilter: bitwise: improve error goto labels
    - netfilter: nf_tables: upfront validation of data via nft_d

1980621 Fix blank screen on Thinkpad ADL 4K+ panel
1992484 Kernel regresses openjdk on riscv64
1983656 iavf: SR-IOV VFs error with no traffic flow when MTU greater than 1500
1965927 [Ubuntu 22.04] mpt3sas: Request to include latest bug fix patches
1990985 ACPI: processor idle: Practically limit \
1990920 Fix resume on AMD platforms when TBT monitor is plugged
1987998 LSM: Configuring Too Many LSMs Causes Kernel Panic on Boot
1989578 Add HDMI codec ID for Intel Raptor Lake
1991717 Jammy update: v5.15.64 upstream stable release
1990564 Jammy update: v5.15.63 upstream stable release
1990554 Jammy update: v5.15.62 upstream stable release
1990162 Jammy update: v5.15.61 upstream stable release
CVE-2022-3028 A race condition was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrm_probe_algs occurr
CVE-2022-2978 A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following c
CVE-2022-40768 drivers/scsi/stex.c in the Linux kernel through 5.19.9 allows local users to obtain sensitive information from kernel memory because stex_queuecomman

Version: *DELETED* 2022-10-18 08:06:56 UTC
No changelog for deleted or moved packages.

Version: 5.15.0-50.56~20.04.1 2022-09-28 18:06:25 UTC

  linux-hwe-5.15 (5.15.0-50.56~20.04.1) focal; urgency=medium

  * focal/linux-hwe-5.15: 5.15.0-50.56~20.04.1 -proposed tracker (LP: #1989784)

  [ Ubuntu: 5.15.0-50.56 ]

  * jammy/linux: 5.15.0-50.56 -proposed tracker (LP: #1990148)
  * CVE-2022-3176
    - io_uring: refactor poll update
    - io_uring: move common poll bits
    - io_uring: kill poll linking optimisation
    - io_uring: inline io_poll_complete
    - io_uring: correct fill events helpers types
    - io_uring: clean cqe filling functions
    - io_uring: poll rework
    - io_uring: remove poll entry from list when canceling all
    - io_uring: bump poll refs to full 31-bits
    - io_uring: fail links when poll fails
    - io_uring: fix wrong arm_poll error handling
    - io_uring: fix UAF due to missing POLLFREE handling
  * ip/nexthop: fix default address selection for connected nexthop
    (LP: #1988809)
    - selftests/net: test nexthop without gw
  * ip/nexthop: fix default address selection for connected nexthop
    (LP: #1988809) // icmp_redirect.sh in ubuntu_kernel_selftests failed on
    Jammy 5.15.0-49.55 (LP: #1990124)
    - ip: fix triggering of 'icmp redirect'

  [ Ubuntu: 5.15.0-49.55 ]

  * jammy/linux: 5.15.0-49.55 -proposed tracker (LP: #1989785)
  * amdgpu module crash after 5.15 kernel update (LP: #1981883)
    - drm/amdgpu: fix check in fbdev init
  * scsi: hisi_sas: Increase debugfs_dump_index after dump is  completed
    (LP: #1982070)
    - scsi: hisi_sas: Increase debugfs_dump_index after dump is completed
  * [UBUNTU 22.04] s390/qeth: cache link_info for ethtool (LP: #1984103)
    - s390/qeth: cache link_info for ethtool
  * WARN in trace_event_dyn_put_ref (LP: #1987232)
    - tracing/perf: Fix double put of trace event when init fails
  * Jammy update: v5.15.60 upstream stable release (LP: #1989221)
    - x86/speculation: Make all RETbleed mitigations 64-bit only
    - selftests/bpf: Extend verifier and bpf_sock tests for dst_port loads
    - selftests/bpf: Check dst_port only on the client socket
    - block: fix default IO priority handling again
    - tools/vm/slabinfo: Handle files in debugfs
    - ACPI: video: Force backlight native for some TongFang devices
    - ACPI: video: Shortening quirk list by identifying Clevo by board_name only
    - ACPI: APEI: Better fix to avoid spamming the console with old error logs
    - crypto: arm64/poly1305 - fix a read out-of-bound
    - KVM: x86: do not report a vCPU as preempted outside instruction boundaries
    - KVM: x86: do not set st->preempted when going back to user space
    - KVM: selftests: Make hyperv_clock selftest more stable
    - tools/kvm_stat: fix display of error when multiple processes are found
    - selftests: KVM: Handle compiler optimizations in ucall
    - KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user()
    - arm64: set UXN on swapper page tables
    - btrfs: zoned: prevent allocation from previous data relocation BG
    - btrfs: zoned: fix critical section of relocation inode writeback
    - Bluetooth: hci_bcm: Add BCM4349B1 variant
    - Bluetooth: hci_bcm: Add DT compatible for CYW55572
    - dt-bindings: bluetooth: broadcom: Add BCM4349B1 DT binding
    - Bluetooth: btusb: Add support of IMC Networks PID 0x3568
    - Bluetooth: btusb: Add Realtek RTL8852C support ID 0x04CA:0x4007
    - Bluetooth: btusb: Add Realtek RTL8852C support ID 0x04C5:0x1675
    - Bluetooth: btusb: Add Realtek RTL8852C support ID 0x0CB8:0xC558
    - Bluetooth: btusb: Add Realtek RTL8852C support ID 0x13D3:0x3587
    - Bluetooth: btusb: Add Realtek RTL8852C support ID 0x13D3:0x3586
    - macintosh/adb: fix oob read in do_adb_query() function
    - x86/speculation: Add RSB VM Exit protections
    - x86/speculation: Add LFENCE to RSB fill sequence
    - Linux 5.15.60
  * Jammy update: v5.15.59 upstream stable release (LP: #1989218)
    - Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put
    - Revert "ocfs2: mount shared volume without ha stack"
    - ntfs: fix use-after-free in ntfs_ucsncmp()
    - fs: sendfile handles O_NONBLOCK of out_fd
    - secretmem: fix unhandled fault in truncate
    - mm: fix page leak with multiple threads mapping the same page
    - hugetlb: fix memoryleak in hugetlb_mcopy_atomic_pte
    - asm-generic: remove a broken and needless ifdef conditional
    - s390/archrandom: prevent CPACF trng invocations in interrupt context
    - nouveau/svm: Fix to migrate all requested pages
    - drm/simpledrm: Fix return type of simpledrm_simple_display_pipe_mode_valid()
    - watch_queue: Fix missing rcu annotation
    - watch_queue: Fix missing locking in add_watch_to_object()
    - tcp: Fix data-races around sysctl_tcp_dsack.
    - tcp: Fix a data-race around sysctl_tcp_app_win.
    - tcp: Fix a data-race around sysctl_tcp_adv_win_scale.
    - tcp: Fix a data-race around sysctl_tcp_frto.
    - tcp: Fix a data-race around sysctl_tcp_nometrics_save.
    - tcp: Fix data-races around sysctl_tcp_no_ssthresh_metrics_save.
    - ice: check (DD | EOF) bits on Rx descriptor rather than (EOP | RS)
    - ice: do not setup vlan for loopback VSI
    - scsi: ufs: host: Hold reference returned by of_parse_phandle()
    - Revert "tcp: change pingpong threshold to 3"
    - octeontx2-pf: Fix UDP/TCP src and dst port tc filters
    - tcp: Fix data-races around sysctl_tcp_moderate_rcvbuf.
    - tcp: Fix a data-race around sysctl_tcp_limit_output_bytes.
    - tcp: Fix a data-race around sysctl_tcp_challenge_ack_limit.
    - scsi: core: Fix warning in scsi_alloc_sgtables()
    - scsi: mpt3sas: Stop fw fault watchdog work item during system shutdown
    - net: ping6: Fix memleak in ipv6_renew_options().
    - ipv6/addrconf: fix a null-ptr-deref bug for ip6_ptr
    - net/tls: Remove the context from the list in tls_device_down
    - igmp: Fix data-races around sysctl_igmp_qrv.
    - net: pcs: xpcs: propagate xpcs_read error to xpcs_get_state_c37_sgmii
    - net: sungem_phy: Add of_node_put() for reference returned by of_get_parent()

1988809 ip/nexthop: fix default address selection for connected nexthop
1990124 icmp_redirect.sh in ubuntu_kernel_selftests failed on Jammy 5.15.0-49.55
1981883 amdgpu module crash after 5.15 kernel update
1982070 scsi: hisi_sas: Increase debugfs_dump_index after dump is \u00a0completed
1984103 [UBUNTU 22.04] s390/qeth: cache link_info for ethtool
1987232 WARN in trace_event_dyn_put_ref
1989221 Jammy update: v5.15.60 upstream stable release
1989218 Jammy update: v5.15.59 upstream stable release
1988479 Jammy update: v5.15.58 upstream stable release
1988353 Jammy update: v5.15.57 upstream stable release
1988351 Jammy update: v5.15.56 upstream stable release
1988338 Jammy update: v5.15.55 upstream stable release
1987451 Jammy update: v5.15.54 upstream stable release
CVE-2022-3176 There exists a use-after-free in io_uring in the Linux kernel. Signalfd_poll() and binder_poll() use a waitqueue whose lifetime is the current task.



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