Vulners
Lucene search
CVE-2021-46981 nbd: Fix NULL pointer in flush_workqueue
10
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/block/nbd.c"
],
"versions": [
{
"version": "e9e006f5fcf2bab59149cb38a48a4817c1b538b4",
"lessThan": "1c4962df938891af9ab4775f5224ef8601764107",
"status": "affected",
"versionType": "git"
},
{
"version": "e9e006f5fcf2bab59149cb38a48a4817c1b538b4",
"lessThan": "cde4b55cfb24522dcbba80bbdb0c082303e76c43",
"status": "affected",
"versionType": "git"
},
{
"version": "e9e006f5fcf2bab59149cb38a48a4817c1b538b4",
"lessThan": "b31d237796fd618379ec8e0f4de3370b5e4aeee7",
"status": "affected",
"versionType": "git"
},
{
"version": "e9e006f5fcf2bab59149cb38a48a4817c1b538b4",
"lessThan": "54b78ba7e96e5fe1edb8054e375d31a6c0dc60dc",
"status": "affected",
"versionType": "git"
},
{
"version": "e9e006f5fcf2bab59149cb38a48a4817c1b538b4",
"lessThan": "79ebe9110fa458d58f1fceb078e2068d7ad37390",
"status": "affected",
"versionType": "git"
},
{
"version": "0b584bf573ae59021069c056c22d65d5721910cb",
"status": "affected",
"versionType": "git"
},
{
"version": "9f0f39c92e4f50189155dfb13bb5524372e40eba",
"status": "affected",
"versionType": "git"
},
{
"version": "92ec11cccb7fc14331e000ab2337f60aa433433e",
"status": "affected",
"versionType": "git"
},
{
"version": "4.14.149",
"lessThan": "4.15",
"status": "affected",
"versionType": "semver"
},
{
"version": "4.19.79",
"lessThan": "4.20",
"status": "affected",
"versionType": "semver"
},
{
"version": "5.3.6",
"lessThan": "5.4",
"status": "affected",
"versionType": "semver"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/block/nbd.c"
],
"versions": [
{
"version": "5.4",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.4",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.4.120",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.38",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.11.22",
"lessThanOrEqual": "5.11.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.12.5",
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
23 May 2026 15:18Current
7.3High risk
Vulners AI Score7.3
EPSS0.0025