CVE-2025-40259
Full vulnerability record from the local CVENow database.
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.
Severity
Not scored
CVSS score
Not available
Vulnerability status
Deferred
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-12-04 16:16:19.790000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
"id": "CVE-2025-40259",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-12-04T16:16:19.790",
"lastModified": "2026-10-19T21:10:00.160",
"vulnStatus": "Deferred",
"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."
},
{
"lang": "es",
"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nscsi: sg: No dormir en contexto atómico\n\nsg_finish_rem_req() llama a blk_rq_unmap_user(). Esta última función puede dormir. Por lo tanto, llamar a sg_finish_rem_req() con las interrupciones habilitadas en lugar de deshabilitadas."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"drivers/scsi/sg.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "97d27b0dd015e980ade63fda111fd1353276e28b",
"lessThan": "11eeee00c94d770d4e45364060b5f1526dfe567b",
"versionType": "git",
"status": "affected"
},
{
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"lessThan": "db6ac8703ab2b473e1ec845f57f6dd961a388d9f",
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"status": "affected"
},
{
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},
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{
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{
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{
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{
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},
{
"version": "ae9b6ae2e77947534e255903627cc62746ea77e2",
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},
{
"version": "3.16.85",
"lessThan": "3.17",
"versionType": "semver",
"status": "affected"
},
{
"version": "3.18.101",
"lessThan": "3.19",
"versionType": "semver",
"status": "affected"
},
{
"version": "4.1.52",
"lessThan": "4.2",
"versionType": "semver",
"status": "affected"
},
{
"version": "4.4.123",
"lessThan": "4.5",
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"status": "affected"
},
{
"version": "4.9.89",
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}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"drivers/scsi/sg.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
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"status": "affected"
},
{
"version": "0",
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"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.4.302",
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"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.10.247",
"lessThanOrEqual": "5.10.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.15.197",
"lessThanOrEqual": "5.15.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.159",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.118",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.60",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.17.10",
"lessThanOrEqual": "6.17.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.18",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-06-16T19:52:52.716801Z",
"id": "CVE-2025-40259",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"references": [
{
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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{
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},
{
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{
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}