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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (10.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-48944: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Linux — versions c85c6fadbef0a3eab41540ea628fa8fe8928c820, 5.16, 4ef0c5c6b5ba1f38f0ea1cedad0cad722f00c14a
  • Linux Kernel — versions 5.10.80, 5.14.19

References

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.