Linux Kernel up to 7.0.9 drm ttm_bo_shrink privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 7.0.9. It has been declared as critical. The affected element is the function ttm_bo_shrink of the component drm. The manipulation results in an unknown weakness. This vulnerability is reported as CVE-2026-52949. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 7.0.9. Affected is the function ttm_bo_shrink of the component drm. The impact remains unknown. CVE summarizes:

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.

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2026-52949 since 06/09/2026. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/24/2026).

Upgrading to version 7.0.10 eliminates this vulnerability. Applying the patch 9402ad98a047dd9894ec868a7df5ad9bd03327d3/1d59f36e95f7f7134db0e313c9d787cb0adb2153 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 7.0.10
Patch: 9402ad98a047dd9894ec868a7df5ad9bd03327d3/1d59f36e95f7f7134db0e313c9d787cb0adb2153

Timelineinfo

06/09/2026 CVE reserved
06/24/2026 +15 days Advisory disclosed
06/24/2026 +0 days VulDB entry created
06/24/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-52949 (🔒)
GCVE (CVE): GCVE-0-2026-52949
GCVE (VulDB): GCVE-100-373302

Entryinfo

Created: 06/24/2026 20:15
Changes: 06/24/2026 20:15 (58)
Complete: 🔍
Cache ID: 216::103

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