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CVE-2023-5197

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Date: September 26, 2023

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Addition and removal of rules from chain bindings within the same transaction causes leads to use-after-free. We recommend upgrading past commit f15f29fd4779be8a418b66e9d52979bb6d6c2325.

Language: C

Severity Score

Related Resources (6)

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325
https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
https://nvd.nist.gov/vuln/detail/CVE-2023-5197
https://www.mend.io/vulnerability-database/CVE-2023-5197

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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