Unrated
ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all()
In the Linux kernel, the following vulnerability has been resolved: ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all() The commit c8e008b60492 ("ext4: ignore xattrs past end") introduced a refcount leak in when block_csum is false. ext4_xattr_inode_dec_ref_all() calls ext4_get_inode_loc() to get iloc.bh, but never releases it with brelse().
Announced Group revision 1
Original source ↗CVE-2026-46046
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-2026-46046
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": "76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3",
"lessThan": "dd98a5603a212ea9c96c6982ccdbcc748fdb9a56",
"versionType": "git"
},
{
"status": "affected",
"version": "f737418b6de31c962c7192777ee4018906975383",
"lessThan": "153ab2c52355fbebcae622db8e7b506492c73a29",
"versionType": "git"
},
{
"status": "affected",
"version": "cf9291a3449b04688b81e32621e88de8f4314b54",
"lessThan": "b706d00206a9e82362a9633efbd8b5775650169b",
"versionType": "git"
},
{
"status": "affected",
"version": "362a90cecd36e8a5c415966d0b75b04a0270e4dd",
"lessThan": "1bc1107a3a403a6d440673ed6666f7b07ef868a8",
"versionType": "git"
},
{
"status": "affected",
"version": "eb59cc31b6ea076021d14b04e7faab1636b87d0e",
"lessThan": "097227f1ffe1a85bc3c359f81c71e3d40e06e920",
"versionType": "git"
},
{
"status": "affected",
"version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd",
"lessThan": "1e6b0a69bf2c9c819255c7566e4355536d81d9cf",
"versionType": "git"
},
{
"status": "affected",
"version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd",
"lessThan": "f072906688933bf47fabbaf63560be03357c8298",
"versionType": "git"
},
{
"status": "affected",
"version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd",
"lessThan": "77d059519382bd66283e6a4e83ee186e87e7708f",
"versionType": "git"
},
{
"status": "affected",
"version": "6aff941cb0f7d0c897c3698ad2e30672709135e3",
"versionType": "git"
},
{
"status": "affected",
"version": "3bc6317033f365ce578eb6039445fb66162722fd",
"versionType": "git"
},
{
"status": "affected",
"version": "836e625b03a666cf93ff5be328c8cb30336db872",
"versionType": "git"
},
{
"status": "affected",
"version": "5.10.237",
"lessThan": "5.10.258",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.15.181",
"lessThan": "5.15.209",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.1.135",
"lessThan": "6.1.175",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.6.88",
"lessThan": "6.6.140",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.12.24",
"lessThan": "6.12.86",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.4.293",
"lessThan": "5.5",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.13.12",
"lessThan": "6.14",
"versionType": "semver"
},
{
"status": "affected",
"version": "6.14.3",
"lessThan": "6.15",
"versionType": "semver"
}
],
"programFiles": [
"fs/ext4/xattr.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.258",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.209",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.175",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.140",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.86",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.27",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.0.4",
"versionType": "semver",
"lessThanOrEqual": "7.0.*"
},
{
"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/ext4/xattr.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-46046
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #28379 · Revision 1
- Added to Heist Feed
- Publisher date