CVE-2022-29582

Public on 2022-04-22

Modified on 2023-01-18

Description

A use-after-free flaw was found in the Linux kernel's io_uring interface subsystem in the way a user triggers a race condition between timeout flush and removal. This flaw allows a local user to crash or escalate their privileges on the system.

Severity

Medium

See what this means

CVSS v3 Base Score

7.0

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 2 - Kernel-5.10 Extra	kernel	2023-06-29 23:21	ALAS2KERNEL-5.10-2023-036
Amazon Linux 2 - Kernel-5.15 Extra	kernel	2022-06-06 17:58	ALAS2KERNEL-5.15-2022-001
Amazon Linux 2 - Kernel-5.15 Extra	kernel	2023-06-29 23:20	ALAS2KERNEL-5.15-2023-023
Amazon Linux 2023	kernel	2023-02-17 20:46	ALAS2023-2023-070

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	7.0	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	CVSSv3	7.0	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	CVSSv2	6.9	AV:L/AC:M/Au:N/C:C/I:C/A:C

References

Red Hat: CVE-2022-29582 Mitre: CVE-2022-29582 FAQs regarding Amazon Linux ALAS/CVE Severity