Unrated severityNVD Advisory· Published Jul 30, 2024· Updated May 4, 2025
virtio-pci: Check if is_avq is NULL
CVE-2024-42134
Description
In the Linux kernel, the following vulnerability has been resolved:
virtio-pci: Check if is_avq is NULL
[bug] In the virtio_pci_common.c function vp_del_vqs, vp_dev->is_avq is involved to determine whether it is admin virtqueue, but this function vp_dev->is_avq may be empty. For installations, virtio_pci_legacy does not assign a value to vp_dev->is_avq.
[fix] Check whether it is vp_dev->is_avq before use.
[test] Test with virsh Attach device Before this patch, the following command would crash the guest system
After applying the patch, everything seems to be working fine.
AI Insight
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Affected products
23- osv-coords21 versionspkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_3&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_3&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7
< 6.4.0-150700.53.11.1+ 20 more
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.20.11.1
- (no CPE)range: < 6.4.0-150700.53.11.1.150700.17.9.4
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.53.11.3
- (no CPE)range: < 1-150700.1.5.1
- (no CPE)range: < 1-150700.15.3.4
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.7.13.1
- (no CPE)range: < 6.4.0-150700.20.11.1
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.7.13.1
- (no CPE)range: < 6.4.0-150700.20.11.1
- (no CPE)range: < 6.4.0-150700.53.11.1
- (no CPE)range: < 6.4.0-150700.7.13.1
- (no CPE)range: < 6.4.0-150700.53.11.1
Patches
Vulnerability mechanics
References
2News mentions
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