CVE-2022-48944

sched: Fix yet more sched_fork() races

Description

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.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/3411613611a5cddf7e80908010dc87cb527dd13b	patch
https://git.kernel.org/stable/c/c65cfd89cef669d90c59f3bf150af6458137a04f	patch
https://git.kernel.org/stable/c/b1e8206582f9d680cff7d04828708c8b6ab32957	patch

Frequently Asked Questions

What is the severity of CVE-2022-48944?: CVE-2022-48944 has been scored as a medium severity vulnerability.
How to fix CVE-2022-48944?: To fix CVE-2022-48944, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-48944 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-48944 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-48944?: CVE-2022-48944 affects Linux Linux, Linux Linux.

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