Use After Free Affecting kernel-core package, versions <0:5.14.0-284.30.1.el9_2
Threat Intelligence
EPSS
0.05% (18th
percentile)
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-5894488
- published 11 Jul 2023
- disclosed 5 Jul 2023
Introduced: 5 Jul 2023
CVE-2023-31248 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-core to version 0:5.14.0-284.30.1.el9_2 or higher.
This issue was patched in RHSA-2023:5069.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; nft_chain_lookup_byid() failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace
References
- https://access.redhat.com/security/cve/CVE-2023-31248
- https://lore.kernel.org/netfilter-devel/20230705121627.GC19489@breakpoint.cc/T/
- https://www.openwall.com/lists/oss-security/2023/07/05/2
- http://www.openwall.com/lists/oss-security/2023/07/05/2
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/
- https://www.debian.org/security/2023/dsa-5453
- http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
- https://security.netapp.com/advisory/ntap-20240201-0001/
CVSS Scores
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