Unrated severityNVD Advisory· Published May 30, 2024· Updated May 4, 2025
KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()
CVE-2024-36953
Description
In the Linux kernel, the following vulnerability has been resolved:
KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()
vgic_v2_parse_attr() is responsible for finding the vCPU that matches the user-provided CPUID, which (of course) may not be valid. If the ID is invalid, kvm_get_vcpu_by_id() returns NULL, which isn't handled gracefully.
Similar to the GICv3 uaccess flow, check that kvm_get_vcpu_by_id() actually returns something and fail the ioctl if not.
Affected products
124- osv-coords123 versionspkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-rt-debug-kvmpkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-kvmpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perfpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%20Micro%205.5pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-coco_debug&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-MICRO-6-0-RT_Update_3&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-MICRO-6-0_Update_3&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-livepatch-SLE15-SP5-RT_Update_23&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_21&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_4&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_5&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-source-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-syms-coco&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Confidential%20Computing%20Technical%20Preview%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP5pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6
< 4.18.0-553.22.1.el8_10+ 122 more
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.rt7.363.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 4.18.0-553.22.1.el8_10
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.33.75.1
- (no CPE)range: < 6.4.0-150600.8.14.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 6.4.0-150600.23.25.1.150600.12.10.2
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 6.4.0-150600.23.25.2
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 6.4.0-150600.23.25.2
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-150600.10.14.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-150600.10.14.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 5.14.21-150500.33.75.1
- (no CPE)range: < 6.4.0-150600.8.14.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-150600.10.14.1
- (no CPE)range: < 5.14.21-150500.33.75.1
- (no CPE)range: < 6.4.0-150600.8.14.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-150600.10.14.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.33.75.1
- (no CPE)range: < 6.4.0-150600.8.14.1
- (no CPE)range: < 6.4.0-15061.6.coco15sp6.1
- (no CPE)range: < 6.4.0-15061.6.coco15sp6.1
- (no CPE)range: < 5.14.21-150500.55.88.1.150500.6.39.4
- (no CPE)range: < 5.14.21-150500.55.88.1.150500.6.39.4
- (no CPE)range: < 6.4.0-150600.23.25.1.150600.12.10.2
- (no CPE)range: < 6.4.0-17.1.1.51
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 6.4.0-20.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.2
- (no CPE)range: < 6.4.0-20.1
- (no CPE)range: < 1-1.2
- (no CPE)range: < 1-1.2
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 1-150500.11.5.1
- (no CPE)range: < 1-150600.1.3.1
- (no CPE)range: < 1-150600.13.3.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.2
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-150600.10.14.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-11.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-150600.10.14.1
- (no CPE)range: < 5.14.21-150500.33.75.1
- (no CPE)range: < 6.4.0-150600.8.14.1
- (no CPE)range: < 6.4.0-15061.6.coco15sp6.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 6.4.0-20.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-11.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-150600.10.14.1
- (no CPE)range: < 5.14.21-150500.33.75.1
- (no CPE)range: < 6.4.0-150600.8.14.1
- (no CPE)range: < 6.4.0-15061.6.coco15sp6.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.1
- (no CPE)range: < 5.14.21-150500.13.79.1
- (no CPE)range: < 6.4.0-150600.10.14.1
- (no CPE)range: < 5.14.21-150500.55.88.1
- (no CPE)range: < 6.4.0-150600.23.25.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- git.kernel.org/stable/c/01981276d64e542c177b243f7c979fee855d5487mitre
- git.kernel.org/stable/c/17db92da8be5dd3bf63c01f4109fe47db64fc66fmitre
- git.kernel.org/stable/c/3a5b0378ac6776c7c31b18e0f3c1389bd6005e80mitre
- git.kernel.org/stable/c/4404465a1bee3607ad90a4c5f9e16dfd75b85728mitre
- git.kernel.org/stable/c/6ddb4f372fc63210034b903d96ebbeb3c7195adbmitre
- git.kernel.org/stable/c/8d6a1c8e3de36cb0f5e866f1a582b00939e23104mitre
News mentions
0No linked articles in our index yet.