CVE-2026-89640 cifs: fix loff_t underflow in cifs_remap_file_range() when len == 0
10
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/smb/client/cifsfs.c"
],
"versions": [
{
"version": "04b38d601239b4d9be641b412cf4b7456a041c67",
"lessThan": "f3d1ae1e6bc4a9f559185b6e7bd2b6375ec2fdd4",
"status": "affected",
"versionType": "git"
},
{
"version": "04b38d601239b4d9be641b412cf4b7456a041c67",
"lessThan": "7f62817fe049b0f3652518c1ba72631ec1e0a322",
"status": "affected",
"versionType": "git"
},
{
"version": "04b38d601239b4d9be641b412cf4b7456a041c67",
"lessThan": "b098f5e5858797827666e6cd73033f52fc39b5f6",
"status": "affected",
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},
{
"version": "04b38d601239b4d9be641b412cf4b7456a041c67",
"lessThan": "c2a0dcb5a7a1516aa6eb6d5cedca6a8e76527028",
"status": "affected",
"versionType": "git"
},
{
"version": "04b38d601239b4d9be641b412cf4b7456a041c67",
"lessThan": "b057ca17b656345d04669cb87f2aff9b31d873db",
"status": "affected",
"versionType": "git"
},
{
"version": "04b38d601239b4d9be641b412cf4b7456a041c67",
"lessThan": "6c322f5cf7476ded7a9a20f7be72462065a03c68",
"status": "affected",
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}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/smb/client/cifsfs.c"
],
"versions": [
{
"version": "4.5",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.5",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.188",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.157",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.109",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.50",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.4",
"lessThanOrEqual": "7.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.3",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]Data
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19 Oct 2026 08:50Current
CVSS 3.17.1
EPSS0.00126
SSVC