CVE-2023-31248

high

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.debian.org/security/2023/dsa-5453

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

https://securelist.com/exploits-and-vulnerabilities-q3-2024/114839/

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

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/

Details

Source: Mitre, NVD

Published: 2023-07-05

Updated: 2024-02-01

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00537

Detections

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