CVE-2026-89708 nfsd: RCU-protect cl_cb_session to fix use-after-free on session teardown
10
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/nfsd/nfs4callback.c",
"fs/nfsd/nfs4state.c",
"fs/nfsd/state.h",
"fs/nfsd/trace.h"
],
"versions": [
{
"version": "dcbeaa68dbbdacbbb330a86c7fc95a28473fc209",
"lessThan": "2775ec1d617e665eab71ce0f13ab1f7959713a2b",
"status": "affected",
"versionType": "git"
},
{
"version": "dcbeaa68dbbdacbbb330a86c7fc95a28473fc209",
"lessThan": "f164eb52b6f3cbf40f07fe379f9f421f88e02f76",
"status": "affected",
"versionType": "git"
},
{
"version": "dcbeaa68dbbdacbbb330a86c7fc95a28473fc209",
"lessThan": "13bdd486c3aad4fc19e6d8b9c3556a4b4c190b25",
"status": "affected",
"versionType": "git"
},
{
"version": "dcbeaa68dbbdacbbb330a86c7fc95a28473fc209",
"lessThan": "01c5d5f58a5db9b0ee5afba2e49d3157788687b2",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/nfsd/nfs4callback.c",
"fs/nfsd/nfs4state.c",
"fs/nfsd/state.h",
"fs/nfsd/trace.h"
],
"versions": [
{
"version": "2.6.38",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.38",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.111",
"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 08:51Current
CVSS 3.19.8
EPSS0.00444
SSVC