CVE-2023-1829

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-1829
A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root. We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28 Mailing List Patch
https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28 Patch
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20230601-0001/ Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28 Mailing List Patch
https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28 Patch
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20230601-0001/ Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

13 Feb 2025, 17:16

Type Values Removed Values Added
Summary (en) A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root. We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28. (en) A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root. We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.
Information

Published : 2023-04-12 12:15

Updated : 2025-02-13 17:16

NVD link : CVE-2023-1829

Mitre link : CVE-2023-1829

CVE.ORG link : CVE-2023-1829

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free