nilfs2: prevent out-of-bounds read in super root block parsing
In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent out-of-bounds read in super root block parsing super-root inode metadata size is trusted before nilfs_read_inode_common(). Reject super-root inode sizes whose computed on-disk footprint exceeds the filesystem block size. This prevents malformed filesystem images from making nilfs_read_inode_common() read past the end of the super-root block. [ryusuke: clarify the commit title]
CVE-2026-90419
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-90419
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
"lessThan": "16df2520502867a4f34e202b89d01243d59bb8b5",
"versionType": "git"
},
{
"status": "affected",
"version": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
"lessThan": "dcc85fc28f884038735464f6f104dda9c7dbfad6",
"versionType": "git"
},
{
"status": "affected",
"version": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
"lessThan": "5b69ebe20d7f944c1f45177dca0c11474ac277cc",
"versionType": "git"
},
{
"status": "affected",
"version": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
"lessThan": "7029e70cf86d5c54c0a2812479b0bee2cabcbaaa",
"versionType": "git"
},
{
"status": "affected",
"version": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
"lessThan": "71bd64471ff583101b4a33dfc838ce29aef57960",
"versionType": "git"
},
{
"status": "affected",
"version": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
"lessThan": "842397fdfd2e61d6470166c796f3125b6c27a162",
"versionType": "git"
},
{
"status": "affected",
"version": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
"lessThan": "15c8559376416a84c3d8402fd8d0c89bb323d05f",
"versionType": "git"
},
{
"status": "affected",
"version": "8a9d2191e9f43bbcd256a9a6871bd73434c83f2f",
"lessThan": "7cb2f76a6a2ba2130b577cb8ac13e1e46c4fc689",
"versionType": "git"
}
],
"programFiles": [
"fs/nilfs2/the_nilfs.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "2.6.30"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "2.6.30",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.270",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.221",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.188",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.157",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.110",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.52",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.6",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/nilfs2/the_nilfs.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-90419
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #36738 · Revision 1
- Added to Heist Feed
- Publisher date