CVE-2024-26602

Medium

In the Linux kernel, the following vulnerability has been resolved: sched/membarrier: reduce the ability to hammer on sys_membarrier On some systems, sys_membarrier can be very expensive, causing overall slowdowns for everything. So put a lock on the path in order to serialize the accesses to prevent the ability for this to be called at too high of a frequency and saturate the machine.

Package Linux Kernel
Published 2024-02-26
Last modified 2024-11-21
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 4.14 and later are affected. Fixed in 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.79, 6.6.18, 6.7.6, 6.8 and their respective stable series.

Affected from
≥ 4.14
Fixed in
✓ 4.19.307 4.19.x ✓ 5.4.269 5.4.x ✓ 5.10.210 5.10.x ✓ 5.15.149 5.15.x ✓ 6.1.79 6.1.x ✓ 6.6.18 6.6.x ✓ 6.7.6 6.7.x ✓ 6.8

Frequently asked questions

  • What is CVE-2024-26602?

    CVE-2024-26602 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.14 onward and has been patched in 4.19.307, 5.4.269, 5.10.210 and others. CVE-2024-26602 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2024-26602?

    CVE-2024-26602 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2024-26602?

    Yes. CVE-2024-26602 has been patched. Fixed versions include 4.19.307, 5.4.269, 5.10.210 and others. If you are running Linux kernel 4.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2024-26602 actively exploited?

    No. CVE-2024-26602 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.