CVE-2023-26545

Public on 2023-02-25
Modified on 2024-03-12
Description
In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a new location) during the renaming of a device.
Severity
Important severity
Important
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 kernel 2023-03-17 ALAS-2023-1701 Fixed
Amazon Linux 2 - Core kernel 2023-03-17 ALAS2-2023-1987 Fixed
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-03-17 ALAS2KERNEL-5.10-2023-028 Fixed
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-03-17 ALAS2KERNEL-5.15-2023-015 Fixed
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-03-17 ALAS2KERNEL-5.4-2023-043 Fixed
Amazon Linux 2023 kernel 2023-03-11 ALAS2023-2023-127 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.301-225.528 2023-03-30 ALAS2LIVEPATCH-2023-111 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.304-226.531 2023-03-30 ALAS2LIVEPATCH-2023-113 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.305-227.531 2023-03-30 ALAS2LIVEPATCH-2023-112 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.157-139.675 2023-03-30 ALAS2LIVEPATCH-2023-117 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.162-141.675 2023-03-30 ALAS2LIVEPATCH-2023-116 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.165-143.735 2023-03-30 ALAS2LIVEPATCH-2023-115 Fixed
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.167-147.601 2023-03-30 ALAS2LIVEPATCH-2023-114 Fixed
Amazon Linux 2023 kernel-livepatch-6.1.12-19.43 2023-04-13 ALAS2023LIVEPATCH-2023-001 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv3 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H