ntfs3: fix out-of-bounds read in decompress_lznt
In the Linux kernel, the following vulnerability has been resolved: ntfs3: fix out-of-bounds read in decompress_lznt decompress_lznt() does not validate array index bounds before accessing the decompression table. A corrupted NTFS3 image with invalid compressed data can trigger an out-of-bounds read. Add index bounds checking to prevent the OOB access.
CVE-2026-80598
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-2026-80598
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": "522e010b58379fbe19b38fdef5016bca0c3cf405",
"lessThan": "1113fa5b01a47a1a4cdbb9c695197ca6215f02a8",
"versionType": "git"
},
{
"status": "affected",
"version": "522e010b58379fbe19b38fdef5016bca0c3cf405",
"lessThan": "61415ffa365d2eca6986914afd0d1412444aa1dd",
"versionType": "git"
},
{
"status": "affected",
"version": "522e010b58379fbe19b38fdef5016bca0c3cf405",
"lessThan": "bd77afca2ae9b6d44d37902e3ad672ebb028b070",
"versionType": "git"
},
{
"status": "affected",
"version": "522e010b58379fbe19b38fdef5016bca0c3cf405",
"lessThan": "c694f8ea2611e7413b3f04ee47e04a9b7b45817b",
"versionType": "git"
},
{
"status": "affected",
"version": "522e010b58379fbe19b38fdef5016bca0c3cf405",
"lessThan": "ff05a98150ebb2b03919a9c05c576681e86abbb7",
"versionType": "git"
},
{
"status": "affected",
"version": "522e010b58379fbe19b38fdef5016bca0c3cf405",
"lessThan": "a93980141253c932aa6ae5d4422d90e0162dc774",
"versionType": "git"
},
{
"status": "affected",
"version": "522e010b58379fbe19b38fdef5016bca0c3cf405",
"lessThan": "7160a57192fb16d7a6fa9b7f5c7ac341d2444a89",
"versionType": "git"
}
],
"programFiles": [
"fs/ntfs3/lznt.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.15.212",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.178",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.145",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.97",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.40",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.5",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/ntfs3/lznt.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-80598
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #34339 · Revision 1
- Added to Heist Feed
- Publisher date