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CVE-2023-1829 Detail

Description

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.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST   Google Inc.  

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-1829
NVD Published Date:
04/12/2023
NVD Last Modified:
11/21/2024
Source:
Google Inc.