Package "qemu-user"
  
    
    
        | Name: | qemu-user | 
    
        | Description:
 | QEMU user mode emulation binaries | 
    
        | Latest version: | 1:4.2-3ubuntu6.30 | 
    
        | Release: | focal (20.04) | 
    
        | Level: | updates | 
    
        | Repository: | universe | 
         
            | Head package: | qemu | 
        
            | Homepage: | http://www.qemu.org/ | 
    
   
  
  
 
Links
    Download "qemu-user"
    
Other versions of "qemu-user" in Focal
    
Changelog
    
    
    
        
        
    
    
        |   qemu (1:4.2-3ubuntu6.30) focal-security; urgency=medium   * SECURITY UPDATE: denial of service
- debian/patches/CVE-2023-3019-pre1.patch: Add definition for
 MemReentrancyGuard struct and include for header file
 - debian/patches/CVE-2023-3019-1.patch: net: Provide
 MemReentrancyGuard * to qemu_new_nic()
 - debian/patches/CVE-2023-3019-2.patch: net: Update
 MemReentrancyGuard for NIC
 - CVE-2023-3019
  -- Bruce Cable <email address hidden>  Mon, 21 Oct 2024 10:09:42 +1100 | 
    | Source diff to previous version | 
        
        | 
                
                | CVE-2023-3019 | A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged gues |  | 
    
    
    
    
    
        
        
    
    
        |   qemu (1:4.2-3ubuntu6.29) focal-security; urgency=medium   * SECURITY REGRESSION: 9pfs restrictions on sockets (LP: #2065579)
- debian/patches/ubuntu/lp-2065579-9pfs-allow-sockets.patch: allow
 sockets and FIFOs to be opened in hw/9pfs/9p-util.h. The fix for
 CVE-2023-2861 was too restrictive for some use-cases.
  -- Marc Deslauriers <email address hidden>  Wed, 05 Jun 2024 12:25:53 -0400 | 
    | Source diff to previous version | 
        
        | 
                
                | 2065579 | [UBUNTU 22.04] OS guest boot issues on 9p filesystem |  
                | CVE-2023-2861 | A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. The 9pfs server did not prohibit opening special files on the host s |  | 
    
    
    
    
    
        
        
    
    
        |   qemu (1:4.2-3ubuntu6.28) focal-security; urgency=medium   * SECURITY UPDATE: infinite loop in USB xHCI controller
- debian/patches/CVE-2020-14394.patch: Fix unbounded loop in
 xhci_ring_chain_length() in hw/usb/hcd-xhci.c.
 - CVE-2020-14394
 * SECURITY UPDATE: code execution in TCG Accelerator
 - debian/patches/CVE-2020-24165.patch: fix race in cpu_exec_step_atomic
 in accel/tcg/cpu-exec.c.
 - CVE-2020-24165
 * SECURITY UPDATE: OOB access in ATI VGA device
 - debian/patches/CVE-2021-3638.patch: Fix buffer overflow in ati_2d_blt
 in hw/display/ati_2d.c.
 - CVE-2021-3638
 * SECURITY UPDATE: OOB read in RDMA device
 - debian/patches/CVE-2023-1544.patch: protect against buggy or
 malicious guest driver in hw/rdma/vmw/pvrdma_main.c.
 - CVE-2023-1544
 * SECURITY UPDATE: 9pfs special file access
 - debian/patches/CVE-2023-2861.patch: prevent opening special files in
 fsdev/virtfs-proxy-helper.c, hw/9pfs/9p-util.h.
 - CVE-2023-2861
 * SECURITY UPDATE: heap overflow in crypto device
 - debian/patches/CVE-2023-3180.patch: verify src&dst buffer length for
 sym request in hw/virtio/virtio-crypto.c.
 - CVE-2023-3180
 * SECURITY UPDATE: DoS in VNC server
 - debian/patches/CVE-2023-3354.patch: remove io watch if TLS channel is
 closed during handshake in include/io/channel-tls.h,
 io/channel-tls.c.
 - CVE-2023-3354
 * SECURITY UPDATE: disk offset 0 access
 - debian/patches/CVE-2023-5088.patch: cancel async DMA operation before
 resetting state in hw/ide/core.c.
 - CVE-2023-5088
  -- Marc Deslauriers <email address hidden>  Thu, 30 Nov 2023 14:45:57 -0500 | 
    | Source diff to previous version | 
        
        | 
                
                | CVE-2020-14394 | An infinite loop flaw was found in the USB xHCI controller emulation of QEMU while computing the length of the Transfer Request Block (TRB) Ring. Thi |  
                | CVE-2020-24165 | An issue was discovered in TCG Accelerator in QEMU 4.2.0, allows local attackers to execute arbitrary code, escalate privileges, and cause a denial o |  
                | CVE-2021-3638 | An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MM |  
                | CVE-2023-1544 | A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a |  
                | CVE-2023-2861 | A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. The 9pfs server did not prohibit opening special files on the host s |  
                | CVE-2023-3180 | A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in virtio_crypto_handle_sym_req. There is no ch |  
                | CVE-2023-3354 | A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections cro |  
                | CVE-2023-5088 | A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to offset 0 instead (potentially overw |  | 
    
    
    
    
    
        
        
    
    
        |   qemu (1:4.2-3ubuntu6.27) focal-security; urgency=medium   * SECURITY UPDATE: user-after-free issue
- debian/patches/CVE-2022-1050.patch: Protect against buggy or
 malicious guest driver
 - CVE-2022-1050
 * SECURITY UPDATE: Out-of-bounds read
 - debian/patches/CVE-2022-4144-*.patch: Have qxl_log_command Return
 early if no log_cmd handler; Document qxl_phys2virt(); Pass requested
 buffer size to qxl_phys2virt(); Avoid buffer overrun in qxl_phys2virt;
 Assert memory slot fits in preallocated MemoryRegion
 - CVE-2022-4144
 * SECURITY UPDATE: reentrancy problem
 - debian/patches/CVE-2023-0330.patch: Fix reentrancy issues in the LSI
 controller
 - CVE-2023-0330
  -- Nishit Majithia <email address hidden>  Tue, 13 Jun 2023 16:58:54 +0530 | 
    | Source diff to previous version | 
        
        | 
                
                | CVE-2022-1050 | A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to execute HW commands when |  
                | CVE-2022-4144 | An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structu |  
                | CVE-2023-0330 | A vulnerability in the lsi53c895a device affects the latest version of qemu. A DMA-MMIO reentrancy problem may lead to memory corruption bugs like st |  | 
    
    
    
    
    
        
        
    
    
        |   qemu (1:4.2-3ubuntu6.26) focal; urgency=medium   * d/p/u/lp-1999885-s390x-tod-kvm-don-t-save-restore-the-TOD-in-PV-guest.patch:
avoid timer issues in s390x secure execution guests (LP: #1999885)
  -- Christian Ehrhardt <email address hidden>  Thu, 23 Mar 2023 08:18:28 +0100 | 
    
        
        | 
                
                | 1999885 | [UBUNTU 20.04] KVM: s390: pv: don't allow userspace to set the clock under PV - qemu part |  | 
    
    
        
        
        
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