Use After Free The advisory has been revoked - it doesn't affect any version of package kernel-rt-debug-kvm (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-KERNELRTDEBUGKVM-2439071
- published1 Apr 2022
- disclosed28 Mar 2022
Introduced: 28 Mar 2022
CVE-2022-1199 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by RHEL.
A flaw was found in the Linux kernel. This flaw allows an attacker to crash the Linux kernel by simulating amateur radio from the user space, resulting in a null-ptr-deref vulnerability and a use-after-free vulnerability.
References
- https://access.redhat.com/security/cve/CVE-2022-1199
- https://bugzilla.redhat.com/show_bug.cgi?id=2070694
- https://github.com/torvalds/linux/commit/4e0f718daf97d47cf7dec122da1be970f145c809
- https://github.com/torvalds/linux/commit/71171ac8eb34ce7fe6b3267dce27c313ab3cb3ac
- https://github.com/torvalds/linux/commit/7ec02f5ac8a5be5a3f20611731243dc5e1d9ba10
- https://security.netapp.com/advisory/ntap-20221228-0006/
- https://www.openwall.com/lists/oss-security/2022/04/02/5