{"api_version":"1","generated_at":"2026-06-25T08:17:41+00:00","cve":"CVE-2026-52949","urls":{"html":"https://cve.report/CVE-2026-52949","api":"https://cve.report/api/cve/CVE-2026-52949.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-52949","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-52949"},"summary":{"title":"drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure\n\nApply the same fix as b2ed01e7ad (\"drm/ttm: Fix ttm_bo_swapout()\ninfinite LRU walk on swapout failure\") to the ttm_bo_shrink() path.\n\nMove del_bulk_move from before the backup to after success only,\nusing ttm_resource_del_bulk_move_unevictable() since the resource\nis now unevictable once fully backed up.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:05","updated_at":"2026-06-24 17:17:05"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/9402ad98a047dd9894ec868a7df5ad9bd03327d3","name":"https://git.kernel.org/stable/c/9402ad98a047dd9894ec868a7df5ad9bd03327d3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1d59f36e95f7f7134db0e313c9d787cb0adb2153","name":"https://git.kernel.org/stable/c/1d59f36e95f7f7134db0e313c9d787cb0adb2153","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52949","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52949","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 70d645deac98303d1bf9ab08a4e68da52bf8c1e1 9402ad98a047dd9894ec868a7df5ad9bd03327d3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 70d645deac98303d1bf9ab08a4e68da52bf8c1e1 1d59f36e95f7f7134db0e313c9d787cb0adb2153 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/ttm/ttm_bo_util.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9402ad98a047dd9894ec868a7df5ad9bd03327d3","status":"affected","version":"70d645deac98303d1bf9ab08a4e68da52bf8c1e1","versionType":"git"},{"lessThan":"1d59f36e95f7f7134db0e313c9d787cb0adb2153","status":"affected","version":"70d645deac98303d1bf9ab08a4e68da52bf8c1e1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/ttm/ttm_bo_util.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure\n\nApply the same fix as b2ed01e7ad (\"drm/ttm: Fix ttm_bo_swapout()\ninfinite LRU walk on swapout failure\") to the ttm_bo_shrink() path.\n\nMove del_bulk_move from before the backup to after success only,\nusing ttm_resource_del_bulk_move_unevictable() since the resource\nis now unevictable once fully backed up."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:28:32.684Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/9402ad98a047dd9894ec868a7df5ad9bd03327d3"},{"url":"https://git.kernel.org/stable/c/1d59f36e95f7f7134db0e313c9d787cb0adb2153"}],"title":"drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-52949","datePublished":"2026-06-24T16:28:32.684Z","dateReserved":"2026-06-09T07:44:35.371Z","dateUpdated":"2026-06-24T16:28:32.684Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:05","lastModifiedDate":"2026-06-24 17:17:05","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"52949","Ordinal":"1","Title":"drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure","CVE":"CVE-2026-52949","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"52949","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure\n\nApply the same fix as b2ed01e7ad (\"drm/ttm: Fix ttm_bo_swapout()\ninfinite LRU walk on swapout failure\") to the ttm_bo_shrink() path.\n\nMove del_bulk_move from before the backup to after success only,\nusing ttm_resource_del_bulk_move_unevictable() since the resource\nis now unevictable once fully backed up.","Type":"Description","Title":"drm/ttm: Fix ttm_bo_shrink() infinite LRU walk on backup failure"}]}}}