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CVE-2023-5197

nvd nist
Published: Sep 27, 2023Modified: Jun 17, 2026

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6.6
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Exploitability: 1.8 / Impact: 4.7
Source: NVD

Description

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.

Affected (5)

Debian
1 product
Debian Linux
Linux
1 product
Linux Kernel
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 10.0
Linux
Linux Kernel
From 5.11 to 5.15.134
Linux Kernel
From 5.16 to 6.1.56
Linux Kernel
From 5.9.0 to 5.10.198
Linux Kernel
From 6.2 to 6.5.6

Related CWEs

CWE-416
Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (8)

Source: cve-coordination@google.com
Third Party Advisory
Source: cve-coordination@google.com
Patch
Source: cve-coordination@google.com
PatchVendor Advisory
Source: cve-coordination@google.com
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory

Timeline

No history available yet.