CVE-2025-40259

In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Do not sleep in atomic context sg_finish_rem_req() calls blk_rq_unmap_user(). The latter function may sleep. Hence, call sg_finish_rem_req() with interrupts enabled instead of disabled.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-25)

Published

2025-12-04

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

References

• https://git.kernel.org/stable/c/109afbd88ecc46b6cc7551367222387e97999765
• https://git.kernel.org/stable/c/11eeee00c94d770d4e45364060b5f1526dfe567b
• https://git.kernel.org/stable/c/3dfd520c3b4ffe69e0630c580717d40447ab842f
• https://git.kernel.org/stable/c/6983d8375c040bb449d2187f4a57a20de01244fe
• https://git.kernel.org/stable/c/90449f2d1e1f020835cba5417234636937dd657e

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