CVE-2021-47461 userfaultfd: fix a race between writeprotect and exit_mmap()
10
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/userfaultfd.c"
],
"versions": [
{
"version": "63b2d4174c4ad1f40b48d7138e71bcb564c1fe03",
"lessThan": "3cda4bfffd4f755645577aaa9e96a606657b4525",
"status": "affected",
"versionType": "git"
},
{
"version": "63b2d4174c4ad1f40b48d7138e71bcb564c1fe03",
"lessThan": "149958ecd0627a9f1e9c678c25c665400054cd6a",
"status": "affected",
"versionType": "git"
},
{
"version": "63b2d4174c4ad1f40b48d7138e71bcb564c1fe03",
"lessThan": "cb185d5f1ebf900f4ae3bf84cee212e6dd035aca",
"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/userfaultfd.c"
],
"versions": [
{
"version": "5.7",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.7",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.76",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.14.15",
"lessThanOrEqual": "5.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]Data
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05 Aug 2026 08:47Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.17.8
EPSS0.00174
SSVC