What is CVE-2022-48944?

CVE-2022-48944 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-08-30.

How severe is CVE-2022-48944?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2022-48944

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.

EPSS: 0.002 (11.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions c85c6fadbef0a3eab41540ea628fa8fe8928c820, 5.16, 4ef0c5c6b5ba1f38f0ea1cedad0cad722f00c14a
Linux Linux_kernel — versions 5.10.80, 5.14.19

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2022-48944?: CVE-2022-48944 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-08-30.
How severe is CVE-2022-48944?: Medium severity. CVSS v3 base score is 5.5 out of 10.