{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-53207", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.391Z", "datePublished": "2026-06-25T08:39:13.592Z", "dateUpdated": "2026-06-25T08:39:13.592Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-25T08:39:13.592Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/memory-failure: fix hugetlb_lock AA deadlock in get_huge_page_for_hwpoison\n\nTwo concurrent madvise(MADV_HWPOISON) calls on the same hugetlb page can\ntrigger a recursive spinlock self-deadlock (AA deadlock) on hugetlb_lock\nwhen racing with a concurrent unmap:\n\n thread#0 thread#1\n -------- --------\n madvise(folio, MADV_HWPOISON)\n -> poisons the folio successfully\n madvise(folio, MADV_HWPOISON) unmap(folio)\n try_memory_failure_hugetlb\n get_huge_page_for_hwpoison\n spin_lock_irq(&hugetlb_lock) <- held\n __get_huge_page_for_hwpoison\n hugetlb_update_hwpoison()\n -> MF_HUGETLB_FOLIO_PRE_POISONED\n goto out:\n folio_put()\n refcount: 1 -> 0\n free_huge_folio()\n spin_lock_irqsave(&hugetlb_lock)\n -> AA DEADLOCK!\n\nThe out: path in __get_huge_page_for_hwpoison() calls folio_put() to drop\nthe GUP reference while the hugetlb_lock is still held by the hugetlb.c\nwrapper get_huge_page_for_hwpoison(). If concurrent unmap has released\nthe page table mapping reference, folio_put() drops the folio refcount to\nzero, triggering free_huge_folio() which attempts to re-acquire the\nnon-recursive hugetlb_lock.\n\nFix this by moving hugetlb_lock acquisition from the hugetlb.c wrapper\ninto get_huge_page_for_hwpoison(). Place spin_unlock_irq() before the\nfolio_put() at the out: label so the folio is always released outside the\nlock.\n\n[akpm@linux-foundation.org: fix race, rename label per Miaohe]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "include/linux/hugetlb.h", "include/linux/mm.h", "mm/hugetlb.c", "mm/memory-failure.c" ], "versions": [ { "version": "405ce051236cc65b30bbfe490b28ce60ae6aed85", "lessThan": "fc3ff42cb0cbf947e4600ae9761c3783760050e2", "status": "affected", "versionType": "git" }, { "version": "405ce051236cc65b30bbfe490b28ce60ae6aed85", "lessThan": "77b73b54801ae7137479c141fd0473a491c1dc48", "status": "affected", "versionType": "git" }, { "version": "405ce051236cc65b30bbfe490b28ce60ae6aed85", "lessThan": "a33bfed648c10f5a1519981dbfad80841191edc8", "status": "affected", "versionType": "git" }, { "version": "405ce051236cc65b30bbfe490b28ce60ae6aed85", "lessThan": "dd77a83915b07e2b0205adb284f08b39ae31dc4b", "status": "affected", "versionType": "git" }, { "version": "405ce051236cc65b30bbfe490b28ce60ae6aed85", "lessThan": "bf7ba8f96c258c30393814491930ae4ecdc5fe5e", "status": "affected", "versionType": "git" }, { "version": "405ce051236cc65b30bbfe490b28ce60ae6aed85", "lessThan": "3c2d42b8ee345b17a4ba56b0f6492d1ff4c1178e", "status": "affected", "versionType": "git" }, { "version": "62d1655b922958826b7ec22682c3141746f75064", "status": "affected", "versionType": "git" }, { "version": "5.15.54", "lessThan": "5.16", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "include/linux/hugetlb.h", "include/linux/mm.h", "mm/hugetlb.c", "mm/memory-failure.c" ], "versions": [ { "version": "5.18", "status": "affected" }, { "version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.94", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.1.176" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.6.143" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.12.94" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.18.36" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "7.0.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "7.1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.54" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/fc3ff42cb0cbf947e4600ae9761c3783760050e2" }, { "url": "https://git.kernel.org/stable/c/77b73b54801ae7137479c141fd0473a491c1dc48" }, { "url": "https://git.kernel.org/stable/c/a33bfed648c10f5a1519981dbfad80841191edc8" }, { "url": "https://git.kernel.org/stable/c/dd77a83915b07e2b0205adb284f08b39ae31dc4b" }, { "url": "https://git.kernel.org/stable/c/bf7ba8f96c258c30393814491930ae4ecdc5fe5e" }, { "url": "https://git.kernel.org/stable/c/3c2d42b8ee345b17a4ba56b0f6492d1ff4c1178e" } ], "title": "mm/memory-failure: fix hugetlb_lock AA deadlock in get_huge_page_for_hwpoison", "x_generator": { "engine": "bippy-1.2.0" } } } }