FKIE_CVE-2025-40259
Vulnerability from fkie_nvd - Published: 2025-12-04 16:16 - Updated: 2026-06-17 09:21
Severity
Summary
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.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/scsi/sg.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "11eeee00c94d770d4e45364060b5f1526dfe567b",
"status": "affected",
"version": "97d27b0dd015e980ade63fda111fd1353276e28b",
"versionType": "git"
},
{
"lessThan": "db6ac8703ab2b473e1ec845f57f6dd961a388d9f",
"status": "affected",
"version": "97d27b0dd015e980ade63fda111fd1353276e28b",
"versionType": "git"
},
{
"lessThan": "109afbd88ecc46b6cc7551367222387e97999765",
"status": "affected",
"version": "97d27b0dd015e980ade63fda111fd1353276e28b",
"versionType": "git"
},
{
"lessThan": "3dfd520c3b4ffe69e0630c580717d40447ab842f",
"status": "affected",
"version": "97d27b0dd015e980ade63fda111fd1353276e28b",
"versionType": "git"
},
{
"lessThan": "b343cee5df7e750d9033fba33e96fc4399fa88a5",
"status": "affected",
"version": "97d27b0dd015e980ade63fda111fd1353276e28b",
"versionType": "git"
},
{
"lessThan": "b2c0340cfa25c5c1f65e8590cc1a2dc97d14ef0f",
"status": "affected",
"version": "97d27b0dd015e980ade63fda111fd1353276e28b",
"versionType": "git"
},
{
"lessThan": "6983d8375c040bb449d2187f4a57a20de01244fe",
"status": "affected",
"version": "97d27b0dd015e980ade63fda111fd1353276e28b",
"versionType": "git"
},
{
"lessThan": "90449f2d1e1f020835cba5417234636937dd657e",
"status": "affected",
"version": "97d27b0dd015e980ade63fda111fd1353276e28b",
"versionType": "git"
},
{
"status": "affected",
"version": "8d1f3b474a89b42f957ba3bae959dd3cd16531ca",
"versionType": "git"
},
{
"status": "affected",
"version": "fa55ef3f803fc7c20be0ab809e6278c31febd875",
"versionType": "git"
},
{
"status": "affected",
"version": "6af37613289cfd32516ada47e444b48a638829c8",
"versionType": "git"
},
{
"status": "affected",
"version": "4a8e8e0af9a520a685e0ab2d489327d5220d7ce2",
"versionType": "git"
},
{
"status": "affected",
"version": "ae9b6ae2e77947534e255903627cc62746ea77e2",
"versionType": "git"
},
{
"lessThan": "3.17",
"status": "affected",
"version": "3.16.85",
"versionType": "semver"
},
{
"lessThan": "3.19",
"status": "affected",
"version": "3.18.101",
"versionType": "semver"
},
{
"lessThan": "4.2",
"status": "affected",
"version": "4.1.52",
"versionType": "semver"
},
{
"lessThan": "4.5",
"status": "affected",
"version": "4.4.123",
"versionType": "semver"
},
{
"lessThan": "4.10",
"status": "affected",
"version": "4.9.89",
"versionType": "semver"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/scsi/sg.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.12"
},
{
"lessThan": "4.12",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.302",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.247",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.197",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.159",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.118",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.60",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.17.*",
"status": "unaffected",
"version": "6.17.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: sg: Do not sleep in atomic context\n\nsg_finish_rem_req() calls blk_rq_unmap_user(). The latter function may\nsleep. Hence, call sg_finish_rem_req() with interrupts enabled instead\nof disabled."
}
],
"id": "CVE-2025-40259",
"lastModified": "2026-06-17T09:21:32.883",
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-40259",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-16T19:52:52.716801Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-12-04T16:16:19.790",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/109afbd88ecc46b6cc7551367222387e97999765"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/11eeee00c94d770d4e45364060b5f1526dfe567b"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/3dfd520c3b4ffe69e0630c580717d40447ab842f"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/6983d8375c040bb449d2187f4a57a20de01244fe"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/90449f2d1e1f020835cba5417234636937dd657e"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/b2c0340cfa25c5c1f65e8590cc1a2dc97d14ef0f"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/b343cee5df7e750d9033fba33e96fc4399fa88a5"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/db6ac8703ab2b473e1ec845f57f6dd961a388d9f"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Deferred"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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