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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
See what this means
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-07-19 16:01 ALAS2KERNEL-5.10-2022-018
Amazon Linux 2 - Kernel-5.15 Extra kernel 2022-07-19 16:02 ALAS2KERNEL-5.15-2022-005
Amazon Linux 2023 kernel 2023-02-17 20:46 ALAS2023-2023-070

CVSS Scores

Score Type Score Vector
Amazon 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

References

Red Hat: CVE-2022-33743 Mitre: CVE-2022-33743 FAQs regarding Amazon Linux ALAS/CVE Severity