CVE-2025-37802High· 7.5▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: ksmbd: fix WARNING "do not call blocking ops when !TASK_RUNNING" wait_event_timeout() will set the state of the current task to TASK_UNINTERRUPTIBLE, before doing the …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 14.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.3%
0.3% → 0.4%
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix WARNING "do not call blocking ops when !TASK_RUNNING"
wait_event_timeout() will set the state of the current task to TASK_UNINTERRUPTIBLE, before doing the condition check. This means that ksmbd_durable_scavenger_alive() will try to acquire the mutex while already in a sleeping state. The scheduler warns us by giving the following warning:
do not call blocking ops when !TASK_RUNNING; state=2 set at [<0000000061515a6f>] prepare_to_wait_event+0x9f/0x6c0 WARNING: CPU: 2 PID: 4147 at kernel/sched/core.c:10099 __might_sleep+0x12f/0x160
mutex lock is not needed in ksmbd_durable_scavenger_alive().
Linux >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 97aabdbf7ba82da20e698f0e62917fb206d42941Linux >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 8f805b3746d2f41702c77cba22f94f8415fadd1aLinux >= 0626e6641f6b467447c81dd7678a69c66f7746cf < cd161198e091e8a62b9bd631be970ea9a87d2d6aLinux >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 1df0d4c616138784e033ad337961b6e1a6bcd999Linux 5.15Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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