Use After Free The advisory has been revoked - it doesn't affect any version of package kernel-rt-debug-core (opens in a new tab)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-CENTOS9-KERNELRTDEBUGCORE-5763869
- published8 Jul 2023
- disclosed16 Jun 2023
Introduced: 16 Jun 2023
CVE-2023-3389 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-core package and not the kernel-rt-debug-core package as distributed by Centos.
A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.
Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.
We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).
References
- https://access.redhat.com/security/cve/CVE-2023-3389
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=4716c73b188566865bdd79c3a6709696a224ac04
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=0e388fce7aec40992eadee654193cad345d62663
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef7dfac51d8ed961b742218f526bd589f3900a59
- https://kernel.dance/0e388fce7aec40992eadee654193cad345d62663
- https://kernel.dance/4716c73b188566865bdd79c3a6709696a224ac04
- https://kernel.dance/ef7dfac51d8ed961b742218f526bd589f3900a59
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://security.netapp.com/advisory/ntap-20230731-0001/
- https://www.debian.org/security/2023/dsa-5480
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html