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CVE-2023-1281

nvd nist
Published: Mar 22, 2023Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root. This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.

Affected (11)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
11 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
From 4.14 to 5.10.169
Linux Kernel
From 5.11 to 5.15.95
Linux Kernel
From 5.16 to 6.1.13
Linux Kernel
Version 6.2 rc1
Linux Kernel
Version 6.2 rc2
Linux Kernel
Version 6.2 rc3
Linux Kernel
Version 6.2 rc4
Linux Kernel
Version 6.2 rc5
Linux Kernel
Version 6.2 rc6
Linux Kernel
Version 6.2 rc7
Linux Kernel
Version 6.2 rc8

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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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 (12)

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

Timeline

No history available yet.