Description
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free. We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Linux / Kernel5.6 – 6.7
References
- MISChttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=317eb9685095678f2c9f5a8189de698c5354316a
- MISChttps://kernel.dance/317eb9685095678f2c9f5a8189de698c5354316a
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/12/22/6
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/12/22/13
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- EXPLOIThttp://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html