drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure
In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure Apply the same fix as b2ed01e7ad ("drm/ttm: Fix ttm_bo_swapout() infinite LRU walk on swapout failure") to the ttm_bo_shrink() path. Move del_bulk_move from before the backup to after success only, using ttm_resource_del_bulk_move_unevictable() since the resource is now unevictable once fully backed up.
CVE-2026-52949
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-2026-52949
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": "70d645deac98303d1bf9ab08a4e68da52bf8c1e1",
"lessThan": "d0ce7b07dafe43d78150f90894027746576d7cb7",
"versionType": "git"
},
{
"status": "affected",
"version": "70d645deac98303d1bf9ab08a4e68da52bf8c1e1",
"lessThan": "9402ad98a047dd9894ec868a7df5ad9bd03327d3",
"versionType": "git"
},
{
"status": "affected",
"version": "70d645deac98303d1bf9ab08a4e68da52bf8c1e1",
"lessThan": "1d59f36e95f7f7134db0e313c9d787cb0adb2153",
"versionType": "git"
}
],
"programFiles": [
"drivers/gpu/drm/ttm/ttm_bo_util.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": "6.18.57",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.0.10",
"versionType": "semver",
"lessThanOrEqual": "7.0.*"
},
{
"status": "unaffected",
"version": "7.1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/gpu/drm/ttm/ttm_bo_util.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-52949
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #28607 · Revision 1
- Added to Heist Feed
- Publisher date