CVE-2022-33743

Public on 2022-07-05
Modified on 2022-10-25
Description
network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed.
Severity
Medium severity
Medium
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
HAQM Linux 2 - Kernel-5.10 Extra kernel 2022-07-19 ALAS2KERNEL-5.10-2022-018 Fixed
HAQM Linux 2 - Kernel-5.15 Extra kernel 2022-07-19 ALAS2KERNEL-5.15-2022-005 Fixed
HAQM Linux 2023 kernel 2023-02-17 ALAS2023-2023-070 Fixed

CVSS Scores

Score Type Score Vector
HAQM Linux CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H