CVE-2023-31248
Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability
- State
- Published
- Severity
- 7.8 High
- Published
- Jul 5, 2023
- Updated
- Mar 5, 2025
- Reserved
- Jun 29, 2023
Description
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
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | canonical |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Linux KernelLinux |
|
References
- https://lore.kernel.org/netfilter-devel/20230705121627.GC19489@breakpoint.cc/T/issue-tracking
- https://www.openwall.com/lists/oss-security/2023/07/05/2mailing-list
- http://www.openwall.com/lists/oss-security/2023/07/05/2
- https://www.debian.org/security/2023/dsa-5453
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E/
- http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
- https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
- https://security.netapp.com/advisory/ntap-20240201-0001/
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