SUSE-SU-2026:21235-1: important: Security update for qemu

SLE-SECURITY-UPDATES null at suse.de
Wed Apr 22 12:32:15 UTC 2026 


# Security update for qemu

Announcement ID: SUSE-SU-2026:21235-1  
Release Date: 2026-04-20T10:54:30Z  
Rating: important  
References:

  * bsc#1258509
  * bsc#1259079
  * bsc#1259080
  * jsc#PED-13174

  
Cross-References:

  * CVE-2026-2243
  * CVE-2026-3195
  * CVE-2026-3196

  
CVSS scores:

  * CVE-2026-2243 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-2243 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
  * CVE-2026-2243 ( NVD ):  5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-3195 ( SUSE ):  7.1
    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-3195 ( SUSE ):  8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-3196 ( SUSE ):  8.2
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
  * CVE-2026-3196 ( SUSE ):  6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.2

  
  
An update that solves three vulnerabilities and contains one feature can now be
installed.

## Description:

This update for qemu fixes the following issues:

Update to version 10.0.9.

Security issues fixed:

  * CVE-2026-3196: unbounded memory allocation and host denial-of-service via
    PCM_INFO requests sent from the guest (bsc#1259079).
  * CVE-2026-3195: heap out-of-bounds write when reading input audio in the
    virtio-snd device input callback (bsc#1259080).
  * CVE-2026-2243: heap out-of-bounds read and 12-byte information leak when
    processing specially crafted VMDK files with qemu-img (bsc#1258509).

Other updates and bugfixes:

  * Version 10.0.9:
  * Full backport list: https://lore.kernel.org/qemu-
    devel/20260318045608.7E1B513DFF6 at think4mjt.localdomain/
  * hyperv/syndbg: check length returned by cpu_physical_memory_map()
  * fuse: Copy write buffer content before polling
  * target/loongarch: Avoid recursive PNX exception on CSR_BADI fetch
  * target/loongarch: Preserve PTE permission bits in LDPTE
  * hw/net/npcm_gmac: Catch accesses off the end of the register array
  * linux-user: fix TIOCGSID ioctl
  * tests/tcg/multiarch/test-mmap: Check mmaps beyond reserved_va
  * bsd-user: Deal with mmap where start > reserved_va
  * linux-user: Deal with mmap where start > reserved_va
  * hw/net/xilinx_ethlite: Check for oversized TX packets
  * virtio-gpu: Ensure BHs are invoked only from main-loop thread
  * block/nfs: Do not enter coroutine from CB
  * block: Never drop BLOCK_IO_ERROR with action=stop for rate limiting
  * block/throttle-groups: fix deadlock with iolimits and muliple iothreads
  * mirror: Fix missed dirty bitmap writes during startup
  * block/curl: fix concurrent completion handling
  * block/vmdk: fix OOB read in vmdk_read_extent()
  * hw/net/smc91c111: Don't allow negative-length packets
  * io: fix cleanup for websock I/O source data on cancellation
  * io: fix cleanup for TLS I/O source data on cancellation
  * io: separate freeing of tasks from marking them as complete
  * target/i386/hvf/x86_mmu: Fix compiler warning
  * hw/i386/vmmouse: Fix hypercall clobbers
  * tests/docker: upgrade most non-lcitool debian tests to debian 13
  * hw/9pfs: fix missing EOPNOTSUPP on Twstat and Trenameat for fs synth driver
  * hw/9pfs: fix data race in v9fs_mark_fids_unreclaim()

  * Add support for AMD-Turn CPUs (jsc#PED-13174)

  * target/i386: Add support for EPYC-Turin model (jsc#PED-13174)
  * target/i386: Update EPYC-Genoa for Cache property, perfmon-v2, RAS and SVM
    feature bits (jsc#PED-13174)
  * target/i386: Add couple of feature bits in CPUID_Fn80000021_EAX
    (jsc#PED-13174)
  * target/i386: Update EPYC-Milan CPU model for Cache property, RAS, SVM
    feature bits (jsc#PED-13174)
  * target/i386: Update EPYC-Rome CPU model for Cache property, RAS, SVM feature
    bits (jsc#PED-13174)
  * target/i386: Update EPYC CPU model for Cache property, RAS, SVM feature bits
    (jsc#PED-13174)

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Micro 6.2  
    zypper in -t patch SUSE-SL-Micro-6.2-591=1

## Package List:

  * SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
    * qemu-block-ssh-debuginfo-10.0.9-160000.1.1
    * qemu-hw-display-virtio-vga-10.0.9-160000.1.1
    * qemu-hw-display-virtio-vga-debuginfo-10.0.9-160000.1.1
    * qemu-audio-spice-10.0.9-160000.1.1
    * qemu-tools-10.0.9-160000.1.1
    * qemu-ui-opengl-debuginfo-10.0.9-160000.1.1
    * qemu-hw-display-virtio-gpu-debuginfo-10.0.9-160000.1.1
    * qemu-guest-agent-debuginfo-10.0.9-160000.1.1
    * qemu-pr-helper-debuginfo-10.0.9-160000.1.1
    * qemu-debuginfo-10.0.9-160000.1.1
    * qemu-ui-spice-core-10.0.9-160000.1.1
    * qemu-img-10.0.9-160000.1.1
    * qemu-hw-usb-redirect-10.0.9-160000.1.1
    * qemu-tools-debuginfo-10.0.9-160000.1.1
    * qemu-audio-spice-debuginfo-10.0.9-160000.1.1
    * qemu-hw-display-virtio-gpu-10.0.9-160000.1.1
    * qemu-block-iscsi-debuginfo-10.0.9-160000.1.1
    * qemu-chardev-spice-debuginfo-10.0.9-160000.1.1
    * qemu-img-debuginfo-10.0.9-160000.1.1
    * qemu-hw-usb-redirect-debuginfo-10.0.9-160000.1.1
    * qemu-ksm-10.0.9-160000.1.1
    * qemu-hw-display-virtio-gpu-pci-10.0.9-160000.1.1
    * qemu-hw-display-qxl-10.0.9-160000.1.1
    * qemu-ui-spice-core-debuginfo-10.0.9-160000.1.1
    * qemu-guest-agent-10.0.9-160000.1.1
    * qemu-ui-opengl-10.0.9-160000.1.1
    * qemu-block-iscsi-10.0.9-160000.1.1
    * qemu-debugsource-10.0.9-160000.1.1
    * qemu-hw-display-virtio-gpu-pci-debuginfo-10.0.9-160000.1.1
    * qemu-pr-helper-10.0.9-160000.1.1
    * qemu-hw-usb-host-10.0.9-160000.1.1
    * qemu-10.0.9-160000.1.1
    * qemu-hw-usb-host-debuginfo-10.0.9-160000.1.1
    * qemu-hw-display-qxl-debuginfo-10.0.9-160000.1.1
    * qemu-block-ssh-10.0.9-160000.1.1
    * qemu-chardev-spice-10.0.9-160000.1.1
  * SUSE Linux Micro 6.2 (noarch)
    * qemu-seabios-10.0.91.16.3_3_g3d33c746-160000.1.1
    * qemu-vgabios-10.0.91.16.3_3_g3d33c746-160000.1.1
    * qemu-SLOF-10.0.9-160000.1.1
    * qemu-lang-10.0.9-160000.1.1
    * qemu-ipxe-10.0.9-160000.1.1
  * SUSE Linux Micro 6.2 (x86_64)
    * qemu-x86-10.0.9-160000.1.1
    * qemu-vmsr-helper-10.0.9-160000.1.1
    * qemu-vmsr-helper-debuginfo-10.0.9-160000.1.1
    * qemu-x86-debuginfo-10.0.9-160000.1.1
  * SUSE Linux Micro 6.2 (aarch64)
    * qemu-arm-debuginfo-10.0.9-160000.1.1
    * qemu-arm-10.0.9-160000.1.1
  * SUSE Linux Micro 6.2 (ppc64le)
    * qemu-ppc-debuginfo-10.0.9-160000.1.1
    * qemu-ppc-10.0.9-160000.1.1
  * SUSE Linux Micro 6.2 (s390x)
    * qemu-s390x-10.0.9-160000.1.1
    * qemu-hw-s390x-virtio-gpu-ccw-debuginfo-10.0.9-160000.1.1
    * qemu-s390x-debuginfo-10.0.9-160000.1.1
    * qemu-hw-s390x-virtio-gpu-ccw-10.0.9-160000.1.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-2243.html
  * https://www.suse.com/security/cve/CVE-2026-3195.html
  * https://www.suse.com/security/cve/CVE-2026-3196.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1258509
  * https://bugzilla.suse.com/show_bug.cgi?id=1259079
  * https://bugzilla.suse.com/show_bug.cgi?id=1259080
  * https://jira.suse.com/browse/PED-13174

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