Medium 5.5Published Jun 24, 2026

CVE-2026-52949drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure

Updated under an hour ago (2026-10-19 09:50 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 70d645deac98303d1bf9ab08a4e68da52bf8c1e1 before d0ce7b07dafe43d78150f90894027746576d7cb7; from 70d645deac98303d1bf9ab08a4e68da52bf8c1e1 before 9402ad98a047dd9894ec868a7df5ad9bd03327d3; 70d645deac98303d1bf9ab08a4e68da52bf8c1e1 builds before 1d59f36e95f7f7134db0e313c9d787cb0adb2153	CNA record
linux linux_kernel linux:linux_kernel	from 6.15 before 7.0.10; 7.1; 7.1; 7.1	NVD

References

https://git.kernel.org/stable/c/d0ce7b07dafe43d78150f90894027746576d7cb7
https://git.kernel.org/stable/c/9402ad98a047dd9894ec868a7df5ad9bd03327d3patch
https://git.kernel.org/stable/c/1d59f36e95f7f7134db0e313c9d787cb0adb2153patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.