CVE-2024-38384

CVE Details

Release Date:

2024-06-24

Description

In the Linux kernel, the following vulnerability has been resolved:\nblk-cgroup: fix list corruption from reorder of WRITE ->lqueued\n__blkcg_rstat_flush() can be run anytime, especially when blk_cgroup_bio_start\nis being executed.\nIf WRITE of `->lqueued` is re-ordered with READ of 'bisc->lnode.next' in\nthe loop of __blkcg_rstat_flush(), `next_bisc` can be assigned with one\nstat instance being added in blk_cgroup_bio_start(), then the local\nlist in __blkcg_rstat_flush() could be corrupted.\nFix the issue by adding one barrier.

See more information about CVE-2024-38384 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	4.4
Vector String:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	High
User Interaction:	None
Scope:	Unchanged
Confidentiality:	None
Integrity:	None
Availability:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (kernel-uek)	ELSA-2024-12887	2024-12-18
Oracle Linux version 9 (kernel-uek)	ELSA-2024-12887	2024-12-18