btrfs: protect sb_write_pointer() with invalidate lock
In the Linux kernel, the following vulnerability has been resolved: btrfs: protect sb_write_pointer() with invalidate lock sb_write_pointer() reads the super block from the block device page cache using read_cache_page_gfp(). This has the same race with BLKBSZSET as the one fixed by commit 3f29d661e568 ("btrfs: sync read disk super and set block size"). Take the mapping invalidate lock around read_cache_page_gfp() to serialize the read against block size changes.
CVE-2026-98907
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-2026-98907
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": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"lessThan": "c9b38f2eab5a9bd74087390318d93ccdd8d2deff",
"versionType": "git"
},
{
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"lessThan": "a0dc28359a8a26f970ccd250b126a2e0bd4118a5",
"versionType": "git"
},
{
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"lessThan": "1a6c92aa7242a04e4349c0ea213dbf703a1c9891",
"versionType": "git"
},
{
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"lessThan": "a58cab4535f085adc0f93d7efd7952ef437371da",
"versionType": "git"
},
{
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"lessThan": "80cd97c5e90096d040a623851795eac92fbd0ff1",
"versionType": "git"
},
{
"status": "affected",
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
"lessThan": "123b9a545f4d0348e81f558a032bf2a93ee5722f",
"versionType": "git"
},
{
"status": "affected",
"version": "0",
"lessThan": "5.15.222",
"versionType": "semver"
},
{
"status": "affected",
"version": "0",
"lessThan": "6.1.189",
"versionType": "semver"
},
{
"status": "affected",
"version": "0",
"lessThan": "6.6.158",
"versionType": "semver"
},
{
"status": "affected",
"version": "0",
"lessThan": "6.12.111",
"versionType": "semver"
},
{
"status": "affected",
"version": "0",
"lessThan": "6.18.53",
"versionType": "semver"
}
],
"programFiles": [
"fs/btrfs/zoned.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "unaffected",
"version": "5.15.222",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.189",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.158",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.111",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.53",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/btrfs/zoned.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98907
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #52762 · Revision 1
- Added to Heist Feed
- Publisher date