Unrated severityNVD Advisory· Published Aug 31, 2022· Updated Aug 2, 2024

CVE-2022-1263

Description

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

KVM/KVMdescription
osv-coords43 versions
pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.4 pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.4 pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.3 pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.3 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP4 pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP4 pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP4 pkg:rpm/suse/kernel-livepatch-SLE15-SP4-RT_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4 pkg:rpm/suse/kernel-livepatch-SLE15-SP4_Update_4&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4 pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP4 pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP4 pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP4 pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4 pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP4 pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP4 pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4 pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP4 pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP4 pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP4
< 5.14.21-150400.24.28.1+ 42 more
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.14.16.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1.150400.24.9.5
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.15.5.1
- (no CPE)range: < 5.14.21-150400.15.5.1
- (no CPE)range: < 5.14.21-150400.14.16.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.15.5.1
- (no CPE)range: < 5.14.21-150400.14.16.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.15.5.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.14.16.1
- (no CPE)range: < 5.14.21-150400.24.28.1.150400.24.9.5
- (no CPE)range: < 5.14.21-150400.24.28.1.150400.24.9.5
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 1-150400.1.3.1
- (no CPE)range: < 1-150400.9.3.5
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.15.5.1
- (no CPE)range: < 5.14.21-150400.15.5.1
- (no CPE)range: < 5.14.21-150400.14.16.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.15.5.1
- (no CPE)range: < 5.14.21-150400.14.16.1
- (no CPE)range: < 5.14.21-150400.24.28.1
- (no CPE)range: < 5.14.21-150400.15.5.1
- (no CPE)range: < 5.14.21-150400.24.28.1

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2022-1263mitrex_refsource_MISC
bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4mitrex_refsource_MISC
www.openwall.com/lists/oss-security/2022/04/07/1mitrex_refsource_MISC

News mentions

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