CVE-2023-31248

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

References

https://www.openwall.com/lists/oss-security/2023/07/05/2

https://www.debian.org/security/2023/dsa-5453

https://security.netapp.com/advisory/ntap-20240201-0001/

https://lore.kernel.org/netfilter-devel/[email protected]/T/

https://lists.fedoraproject.org/archives/list/[email protected]/message/UPHI46ROSSLVAV4R5LJWJYU747JGOS6D/

https://lists.fedoraproject.org/archives/list/[email protected]/message/RGZC5XOANA75OJ4XARBBXYSLDKUIJI5E/

https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html

http://www.openwall.com/lists/oss-security/2023/07/05/2

http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html

http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3