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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
See what this means
CVSS v3 Base Score
7.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2023-03-17 15:53 ALAS-2023-1701
Amazon Linux 2 - Core kernel 2023-03-17 16:34 ALAS2-2023-1987
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-03-17 16:46 ALAS2KERNEL-5.10-2023-028
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-03-17 16:46 ALAS2KERNEL-5.15-2023-015
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-03-17 16:45 ALAS2KERNEL-5.4-2023-043
Amazon Linux 2023 kernel 2023-03-11 01:10 ALAS2023-2023-127
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.301-225.528 2023-03-30 22:07 ALAS2LIVEPATCH-2023-111
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.304-226.531 2023-03-30 22:07 ALAS2LIVEPATCH-2023-113
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.305-227.531 2023-03-30 22:07 ALAS2LIVEPATCH-2023-112
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.157-139.675 2023-03-30 22:07 ALAS2LIVEPATCH-2023-117
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.162-141.675 2023-03-30 22:07 ALAS2LIVEPATCH-2023-116
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.165-143.735 2023-03-30 22:07 ALAS2LIVEPATCH-2023-115
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.167-147.601 2023-03-30 22:07 ALAS2LIVEPATCH-2023-114
Amazon Linux 2023 kernel-livepatch-6.1.12-19.43 2023-04-13 17:56 ALAS2023LIVEPATCH-2023-001

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