{"id":"CVE-2026-52965","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: Fix ttm_bo_swapout() infinite LRU walk on swapout failure\n\nWhen ttm_tt_swapout() fails, the current code calls\nttm_resource_add_bulk_move() followed by ttm_res…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: Fix ttm_bo_swapout() infinite LRU walk on swapout failure\n\nWhen ttm_tt_swapout() fails, the current code calls\nttm_resource_add_bulk_move() followed by ttm_res…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-835"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.13, < 7.0.10","linux_kernel = 7.1"],"patched":["linux_kernel 7.0.10"],"published":"2026-06-24","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:35.370","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-52965","references":[{"url":"https://git.kernel.org/stable/c/0124a09e3e5f5f6080efe9663b27af27933f8382","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/060f8f3020516d71bc4d6159d4d0beef85606a74","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b2ed01e7ad3de80333e9b962a44024b094bc0b2b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00172,"epssPercentile":0.06554,"ingestedAt":"2026-07-11T13:13:24.994Z","slug":"CVE-2026-52965","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: Fix ttm_bo_swapout() infinite LRU walk on swapout failure\n\nWhen ttm_tt_swapout() fails, the current code calls\nttm_resource_add_bulk_move() followed by ttm_resource_move_to_lru_tail()\nto restore the resource's bulk_move membership.\n\nHowever, ttm_resource_move_to_lru_tail() places the resource at the tail\nof the LRU list which, relative to the walk cursor's hitch node (placed\nimmediately after the resource when it was yielded), puts the resource\n*in front of the* the hitch. The next list_for_each_entry_continue() from\nthe hitch finds the same resource again, causing an infinite loop.\n\nFix by deferring del_bulk_move to the success path only.\n\nOn the success path, TTM_TT_FLAG_SWAPPED has just been set by\nttm_tt_swapout() but the resource is still tracked in the bulk_move range,\nso ttm_resource_del_bulk_move()'s !ttm_resource_unevictable() guard would\nincorrectly skip the removal. Introduce\nttm_resource_del_bulk_move_unevictable() which bypasses that guard.\n\n## Affected\n\n- `linux_kernel >= 6.13, < 7.0.10`\n- `linux_kernel = 7.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 7.0.10`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":222302,"id":"CVE-2026-52965","ts":1792065872857,"field":"cvss","old":null,"new":"5.5"},{"seq":222301,"id":"CVE-2026-52965","ts":1792065872857,"field":"severity","old":"none","new":"medium"}]}