ESB-2026.4103

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4103 Security update for qemu 23 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: qemu Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-2243 CVE-2026-3195 CVE-2026-3196 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-202621235-1 Comment: CVSS (Max): 8.8 CVE-2026-3195 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H EPSS (Max): 0.0% (4th)* CVE-2026-2243 2026-04-22 * Not all EPSS found when published - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for qemu Announcement ID: SUSE-SU-2026:21235-1 Release Date: 2026-04-20T10:54:30Z Rating: important o bsc#1258509 o bsc#1259079 References: o bsc#1259080 o jsc#PED-13174 o CVE-2026-2243 Cross-References: o CVE-2026-3195 o CVE-2026-3196 o 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 o 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 o 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 o CVE-2026-3195 ( SUSE ): 7.1 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/ CVSS scores: UI:N/VC:N/VI:N/VA:H/SC:H/SI:H/SA:H o 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 o 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 o 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 o SUSE Linux Micro 6.2 Products: 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: o CVE-2026-3196: unbounded memory allocation and host denial-of-service via PCM_INFO requests sent from the guest (bsc#1259079). o CVE-2026-3195: heap out-of-bounds write when reading input audio in the virtio-snd device input callback (bsc#1259080). o 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: o Version 10.0.9: o Full backport list: https://lore.kernel.org/qemu-devel/ 20260318045608.7E1B513DFF6@think4mjt.localdomain/ o hyperv/syndbg: check length returned by cpu_physical_memory_map() o fuse: Copy write buffer content before polling o target/loongarch: Avoid recursive PNX exception on CSR_BADI fetch o target/loongarch: Preserve PTE permission bits in LDPTE o hw/net/npcm_gmac: Catch accesses off the end of the register array o linux-user: fix TIOCGSID ioctl o tests/tcg/multiarch/test-mmap: Check mmaps beyond reserved_va o bsd-user: Deal with mmap where start > reserved_va o linux-user: Deal with mmap where start > reserved_va o hw/net/xilinx_ethlite: Check for oversized TX packets o virtio-gpu: Ensure BHs are invoked only from main-loop thread o block/nfs: Do not enter coroutine from CB o block: Never drop BLOCK_IO_ERROR with action=stop for rate limiting o block/throttle-groups: fix deadlock with iolimits and muliple iothreads o mirror: Fix missed dirty bitmap writes during startup o block/curl: fix concurrent completion handling o block/vmdk: fix OOB read in vmdk_read_extent() o hw/net/smc91c111: Don't allow negative-length packets o io: fix cleanup for websock I/O source data on cancellation o io: fix cleanup for TLS I/O source data on cancellation o io: separate freeing of tasks from marking them as complete o target/i386/hvf/x86_mmu: Fix compiler warning o hw/i386/vmmouse: Fix hypercall clobbers o tests/docker: upgrade most non-lcitool debian tests to debian 13 o hw/9pfs: fix missing EOPNOTSUPP on Twstat and Trenameat for fs synth driver o hw/9pfs: fix data race in v9fs_mark_fids_unreclaim() o Add support for AMD-Turn CPUs (jsc#PED-13174) o target/i386: Add support for EPYC-Turin model (jsc#PED-13174) o target/i386: Update EPYC-Genoa for Cache property, perfmon-v2, RAS and SVM feature bits (jsc#PED-13174) o target/i386: Add couple of feature bits in CPUID_Fn80000021_EAX (jsc# PED-13174) o target/i386: Update EPYC-Milan CPU model for Cache property, RAS, SVM feature bits (jsc#PED-13174) o target/i386: Update EPYC-Rome CPU model for Cache property, RAS, SVM feature bits (jsc#PED-13174) o 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: o SUSE Linux Micro 6.2 zypper in -t patch SUSE-SL-Micro-6.2-591=1 Package List: o 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 o 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 o 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 o SUSE Linux Micro 6.2 (aarch64) qemu-arm-debuginfo-10.0.9-160000.1.1 qemu-arm-10.0.9-160000.1.1 o SUSE Linux Micro 6.2 (ppc64le) qemu-ppc-debuginfo-10.0.9-160000.1.1 qemu-ppc-10.0.9-160000.1.1 o 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: o https://www.suse.com/security/cve/CVE-2026-2243.html o https://www.suse.com/security/cve/CVE-2026-3195.html o https://www.suse.com/security/cve/CVE-2026-3196.html o https://bugzilla.suse.com/show_bug.cgi?id=1258509 o https://bugzilla.suse.com/show_bug.cgi?id=1259079 o https://bugzilla.suse.com/show_bug.cgi?id=1259080 o https://jira.suse.com/browse/PED-13174 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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