What is CVE-2022-48944?

CVE-2022-48944 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.15.3 onward and patched in 5.15.27, 5.16.13 and 5.17. CVE-2022-48944 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48944?

CVE-2022-48944 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-2022-48944?

Yes, CVE-2022-48944 has been patched. Fixed versions include 5.15.27, 5.16.13 and 5.17. If you are running Linux kernel 5.15.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48944 actively exploited?

CVE-2022-48944 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-48944

Medium

In the Linux kernel, the following vulnerability has been resolved: sched: Fix yet more sched_fork() races Where commit 4ef0c5c6b5ba ("kernel/sched: Fix sched_fork() access an invalid sched_task_group") fixed a fork race vs cgroup, it opened up a race vs syscalls by not placing the task on the runqueue before it gets exposed through the pidhash. Commit 13765de8148f ("sched/fair: Fix fault in reweight_entity") is trying to fix a single instance of this, instead fix the whole class of issues, effectively reverting this commit.

Package Linux Kernel

Published 2024-08-30

Last modified 2024-09-03

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 5.15.3, 5.10.80, 5.14.19, 5.16 and later are affected. Fixed in 5.15.27, 5.16.13, 5.17 and their respective stable series.

Affected from

≥ 5.15.3 ≥ 5.10.80 ≥ 5.14.19 ≥ 5.16

Fixed in

✓ 5.15.27 5.15.x ✓ 5.16.13 5.16.x ✓ 5.17

References

The following references provide additional information about CVE-2022-48944 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/3411613611a5cddf7e80908010dc87cb527dd13b
Patch
Kernel patch commit
https://git.kernel.org/stable/c/b1e8206582f9d680cff7d04828708c8b6ab32957
Patch
Kernel patch commit
https://git.kernel.org/stable/c/c65cfd89cef669d90c59f3bf150af6458137a04f
Patch

Details

CVE ID CVE-2022-48944

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-08-30

Modified 2024-09-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48944?

CVE-2022-48944 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.15.3 onward and has been patched in 5.15.27, 5.16.13 and 5.17. CVE-2022-48944 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48944?

CVE-2022-48944 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-2022-48944?

Yes — CVE-2022-48944 has been patched. Fixed versions include 5.15.27, 5.16.13 and 5.17. If you are running Linux kernel 5.15.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48944 actively exploited?

No — CVE-2022-48944 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.