CVE-2022-48944 - CVE House
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Status published Medium CVE-2022-48944

sched: Fix yet more sched_fork() races

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
3869eecf050416a1d19bac60926f6b5d64b0aa58, 4ef0c5c6b5ba1f38f0ea1cedad0cad722f00c14a, c85c6fadbef0a3eab41540ea628fa8fe8928c820, 25d40b828fb855ee62e1039c65a666c9afd60786, 5.15.3, 5.10.80, 5.14.19, 5.16, 0, 5.15.27, 5.16.13, 5.17

Timeline

Official Publish: August 30th, 2024
Last Modified: May 23rd, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.