What is CVE-2022-48671?

CVE-2022-48671 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Improper Locking flaw (CWE-667), affecting Linux kernel versions from 5.4.213 onward and patched in 5.4.215, 5.10.145, 5.15.70 and others. CVE-2022-48671 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48671?

CVE-2022-48671 has a CVSS score of 5.5 out of 10, rated Medium severity. 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-2022-48671?

Yes, CVE-2022-48671 has been patched. Fixed versions include 5.4.215, 5.10.145, 5.15.70 and others. If you are running Linux kernel 5.4.213 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48671 actively exploited?

CVE-2022-48671 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Improper Locking (CWE-667)?

The product does not properly acquire or release a lock, which can lead to unexpected behaviour. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/667.html

CVE-2022-48671

Medium

In the Linux kernel, the following vulnerability has been resolved: cgroup: Add missing cpus_read_lock() to cgroup_attach_task_all() syzbot is hitting percpu_rwsem_assert_held(&cpu_hotplug_lock) warning at cpuset_attach() [1], for commit 4f7e7236435ca0ab ("cgroup: Fix threadgroup_rwsem <-> cpus_read_lock() deadlock") missed that cpuset_attach() is also called from cgroup_attach_task_all(). Add cpus_read_lock() like what cgroup_procs_write_start() does.

Package Linux Kernel

Published 2024-05-03

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

Weakness type

CWE-667

CVE-2022-48671 is a Improper Locking vulnerability

What is Improper Locking?

The product does not properly acquire or release a lock, which can lead to unexpected behaviour. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.4.213, 5.10.143, 5.15.68, 5.19.9 and later are affected. Fixed in 5.4.215, 5.10.145, 5.15.70, 5.19.11 and their respective stable series.

Affected from

≥ 5.4.213 ≥ 5.10.143 ≥ 5.15.68 ≥ 5.19.9

Fixed in

✓ 5.4.215 5.4.x ✓ 5.10.145 5.10.x ✓ 5.15.70 5.15.x ✓ 5.19.11 5.19.x

References

6 total

Kernel Git
https://git.kernel.org/stable/c/07191f984842d50020789ff14c75da436a7f46a9

Patch
Kernel Git
https://git.kernel.org/stable/c/321488cfac7d0eb6d97de467015ff754f85813ff

Patch
Kernel Git
https://git.kernel.org/stable/c/43626dade36fa74d3329046f4ae2d7fdefe401c6

Patch
Kernel Git
https://git.kernel.org/stable/c/5db17805b6ba4c34dab303f49aea3562fc25af75

Patch
Kernel Git
https://git.kernel.org/stable/c/99bc25748e394d17f9e8b10cc7f273b8e64c1c7e

Patch

Showing 5 of 6 references View all on NVD

Details

CVE ID CVE-2022-48671

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-03

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48671?

CVE-2022-48671 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Improper Locking flaw (CWE-667) . It affects Linux kernel versions from 5.4.213 onward and has been patched in 5.4.215, 5.10.145, 5.15.70 and others. CVE-2022-48671 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48671?

CVE-2022-48671 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-2022-48671?

Yes. CVE-2022-48671 has been patched. Fixed versions include 5.4.215, 5.10.145, 5.15.70 and others. If you are running Linux kernel 5.4.213 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48671 actively exploited?

No. CVE-2022-48671 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.