In the Linux kernel, the following vulnerability has been resolved:
sched: fix warning in sched_setaffinity
Commit 8f9ea86fdf99b added some logic to sched_setaffinity that included
a WARN when a per-task affinity assignment races with a cpuset update.
Specifically, we can have a race where a cpuset update results in the
task affinity no longer being a subset of the cpuset. That's fine; we
have a fallback to instead use the cpuset mask. However, we have a WARN
set up that will trigger if the cpuset mask has no overlap at all with
the requested task affinity. This shouldn't be a warning condition; its
trivial to create this condition.
Reproduced the warning by the following setup:
- $PID inside a cpuset cgroup
- another thread repeatedly switching the cpuset cpus from 1-2 to just 1
- another thread repeatedly setting the $PID affinity (via taskset) to 2
sched: fix warning in sched_setaffinity
Commit 8f9ea86fdf99b added some logic to sched_setaffinity that included
a WARN when a per-task affinity assignment races with a cpuset update.
Specifically, we can have a race where a cpuset update results in the
task affinity no longer being a subset of the cpuset. That's fine; we
have a fallback to instead use the cpuset mask. However, we have a WARN
set up that will trigger if the cpuset mask has no overlap at all with
the requested task affinity. This shouldn't be a warning condition; its
trivial to create this condition.
Reproduced the warning by the following setup:
- $PID inside a cpuset cgroup
- another thread repeatedly switching the cpuset cpus from 1-2 to just 1
- another thread repeatedly setting the $PID affinity (via taskset) to 2
Metrics
Affected Vendors & Products
Advisories
Source | ID | Title |
---|---|---|
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USN-7379-1 | Linux kernel vulnerabilities |
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USN-7379-2 | Linux kernel (Raspberry Pi) vulnerabilities |
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USN-7380-1 | Linux kernel (Low Latency) vulnerabilities |
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USN-7381-1 | Linux kernel (Low Latency) vulnerabilities |
![]() |
USN-7382-1 | Linux kernel (OEM) vulnerabilities |
![]() |
USN-7449-1 | Linux kernel vulnerabilities |
![]() |
USN-7449-2 | Linux kernel (HWE) vulnerabilities |
![]() |
USN-7450-1 | Linux kernel vulnerabilities |
![]() |
USN-7451-1 | Linux kernel vulnerabilities |
![]() |
USN-7452-1 | Linux kernel vulnerabilities |
![]() |
USN-7453-1 | Linux kernel (Real-time) vulnerabilities |
![]() |
USN-7468-1 | Linux kernel (Azure, N-Series) vulnerabilities |
![]() |
USN-7523-1 | Linux kernel (Raspberry Pi Real-time) vulnerabilities |
![]() |
USN-7524-1 | Linux kernel (Raspberry Pi) vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 15 Oct 2025 20:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Weaknesses | NVD-CWE-noinfo | |
CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:* |
Tue, 14 Jan 2025 08:45:00 +0000
Type | Values Removed | Values Added |
---|---|---|
References |
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Metrics |
threat_severity
|
cvssV3_1
|
Sat, 11 Jan 2025 12:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Description | In the Linux kernel, the following vulnerability has been resolved: sched: fix warning in sched_setaffinity Commit 8f9ea86fdf99b added some logic to sched_setaffinity that included a WARN when a per-task affinity assignment races with a cpuset update. Specifically, we can have a race where a cpuset update results in the task affinity no longer being a subset of the cpuset. That's fine; we have a fallback to instead use the cpuset mask. However, we have a WARN set up that will trigger if the cpuset mask has no overlap at all with the requested task affinity. This shouldn't be a warning condition; its trivial to create this condition. Reproduced the warning by the following setup: - $PID inside a cpuset cgroup - another thread repeatedly switching the cpuset cpus from 1-2 to just 1 - another thread repeatedly setting the $PID affinity (via taskset) to 2 | |
Title | sched: fix warning in sched_setaffinity | |
References |
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-05-04T09:22:06.898Z
Reserved: 2025-01-09T09:51:32.405Z
Link: CVE-2024-41932

No data.

Status : Analyzed
Published: 2025-01-11T13:15:20.930
Modified: 2025-10-15T20:17:52.590
Link: CVE-2024-41932


Updated: 2025-07-13T11:15:09Z