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CVE-2023-32233

Public on 2023-05-08
Modified on 2024-01-09
Description

In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.

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 2023-05-25 17:41 ALAS-2023-1750
Amazon Linux 2 - Core kernel 2023-05-25 17:41 ALAS2-2023-2050
Amazon Linux 2 - Kernel-5.10 Extra kernel 2023-05-25 18:10 ALAS2KERNEL-5.10-2023-033
Amazon Linux 2 - Kernel-5.15 Extra kernel 2023-05-25 17:42 ALAS2KERNEL-5.15-2023-020
Amazon Linux 2 - Kernel-5.4 Extra kernel 2023-05-25 17:42 ALAS2KERNEL-5.4-2023-046
Amazon Linux 2023 kernel 2023-05-25 17:41 ALAS2023-2023-184
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.167-147.601 2023-05-25 17:42 ALAS2LIVEPATCH-2023-127
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.173-154.642 2023-05-25 17:42 ALAS2LIVEPATCH-2023-126
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.176-157.645 2023-05-25 17:42 ALAS2LIVEPATCH-2023-125
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.177-158.645 2023-05-25 17:42 ALAS2LIVEPATCH-2023-124
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.178-162.673 2023-05-25 17:42 ALAS2LIVEPATCH-2023-123
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.179-166.674 2023-05-25 17:41 ALAS2LIVEPATCH-2023-122
Amazon Linux 2023 kernel-livepatch-6.1.15-28.43 2023-05-25 17:40 ALAS2023LIVEPATCH-2023-009
Amazon Linux 2023 kernel-livepatch-6.1.19-30.43 2023-05-25 17:40 ALAS2023LIVEPATCH-2023-008
Amazon Linux 2023 kernel-livepatch-6.1.21-1.45 2023-05-25 17:40 ALAS2023LIVEPATCH-2023-007
Amazon Linux 2023 kernel-livepatch-6.1.23-36.46 2023-05-25 17:40 ALAS2023LIVEPATCH-2023-006
Amazon Linux 2023 kernel-livepatch-6.1.25-37.47 2023-05-25 17:40 ALAS2023LIVEPATCH-2023-005
Amazon Linux 2023 kernel-livepatch-6.1.27-43.48 2023-05-25 17:40 ALAS2023LIVEPATCH-2023-004

CVSS Scores

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