CVE-2025-40259

scsi: sg: Do not sleep in atomic context

N/A

Published: December 4, 2025 at 04:08 PM UTC

Updated: October 19, 2026 at 09:10 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

90%

3.16.85 ≤ v < 3.173.18.101 ≤ v < 3.194.1.52 ≤ v < 4.24.4.123 ≤ v < 4.54.9.89 ≤ v < 4.103.16.85 3.18.101 4.1.52 4.12 4.4.123 4.9.894a8e8e0af9a520a685e0ab2d489327d5220d7ce26af37613289cfd32516ada47e444b48a638829c88d1f3b474a89b42f957ba3bae959dd3cd16531ca97d27b0dd015e980ade63fda111fd1353276e28bae9b6ae2e77947534e255903627cc62746ea77e2fa55ef3f803fc7c20be0ab809e6278c31febd875

Vendor states this is fixed in 109afbd88ecc46b6cc7551367222387e97999765 (fixed)

Vendor states this is fixed in 11eeee00c94d770d4e45364060b5f1526dfe567b (fixed)

Vendor states this is fixed in 3dfd520c3b4ffe69e0630c580717d40447ab842f (fixed)

Vendor states this is fixed in 6983d8375c040bb449d2187f4a57a20de01244fe (fixed)

Vendor states this is fixed in 90449f2d1e1f020835cba5417234636937dd657e (fixed)

Vendor states this is fixed in b2c0340cfa25c5c1f65e8590cc1a2dc97d14ef0f (fixed)

Vendor states this is fixed in b343cee5df7e750d9033fba33e96fc4399fa88a5 (fixed)

Vendor states this is fixed in db6ac8703ab2b473e1ec845f57f6dd961a388d9f (fixed)

Affected range stops below 3.17, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.19, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.10, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 4.12 (unaffected)

Affected range stops below 4.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.5, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 5.10.247 (unaffected)

Vendor states this is fixed in 5.15.197 (unaffected)

Vendor states this is fixed in 5.4.302 (unaffected)

Vendor states this is fixed in 6.1.159 (unaffected)

Vendor states this is fixed in 6.12.60 (unaffected)

Vendor states this is fixed in 6.17.10 (unaffected)

Vendor states this is fixed in 6.18 (unaffected)

Vendor states this is fixed in 6.6.118 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.