{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53335", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.399Z", "datePublished": "2026-07-01T13:32:17.953Z", "dateUpdated": "2026-07-01T13:32:17.953Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-01T13:32:17.953Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/lru_sort: handle ctx allocation failure\n\nDAMON_LRU_SORT allocates the damon_ctx object for its kdamond in its init\nfunction. damon_lru_sort_enabled_store() wrongly assumes the allocation\nwill always succeed once tried. If the damon_ctx allocation was failed,\ntherefore, code execution reaches to damon_commit_ctx() while 'ctx' is\nNULL. As a result, it dereferences the NULL 'ctx' pointer. Avoid the\nNULL dereference by returning -ENOMEM if 'ctx' is NULL."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/damon/lru_sort.c"], "versions": [{"version": "c4a8e662c839ac0003e4781aa324cb2d68ed9cb1", "lessThan": "6d48f15659395bf1381114f01be91bc68e0be46a", "status": "affected", "versionType": "git"}, {"version": "c4a8e662c839ac0003e4781aa324cb2d68ed9cb1", "lessThan": "daab1996431a71f43219dcac48ecc9ad2aad3f1c", "status": "affected", "versionType": "git"}, {"version": "c4a8e662c839ac0003e4781aa324cb2d68ed9cb1", "lessThan": "ab04340b5ae5d52c1d46b750538febcde9d889e7", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["mm/damon/lru_sort.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "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": "6.18", "versionEndExcluding": "6.18.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6d48f15659395bf1381114f01be91bc68e0be46a"}, {"url": "https://git.kernel.org/stable/c/daab1996431a71f43219dcac48ecc9ad2aad3f1c"}, {"url": "https://git.kernel.org/stable/c/ab04340b5ae5d52c1d46b750538febcde9d889e7"}], "title": "mm/damon/lru_sort: handle ctx allocation failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["mm/damon/lru_sort.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6d48f15659395bf1381114f01be91bc68e0be46a", "status": "affected", "version": "c4a8e662c839ac0003e4781aa324cb2d68ed9cb1", "versionType": "git"}, {"lessThan": "daab1996431a71f43219dcac48ecc9ad2aad3f1c", "status": "affected", "version": "c4a8e662c839ac0003e4781aa324cb2d68ed9cb1", "versionType": "git"}, {"lessThan": "ab04340b5ae5d52c1d46b750538febcde9d889e7", "status": "affected", "version": "c4a8e662c839ac0003e4781aa324cb2d68ed9cb1", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["mm/damon/lru_sort.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.36", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.13", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F7AAD18F-28C9-4D16-B57E-FAB774F81A3B", "versionEndExcluding": "6.18.36", "versionStartIncluding": "6.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6A64BF9F-3BCA-42FD-98CB-8F03474D2B1E", "versionEndExcluding": "7.0.13", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "EC732D08-5F7B-46D9-B154-E60C7F4F0A97", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "E5910A9D-F60A-409A-B486-FE66BFEBA9B9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*", "matchCriteriaId": "81DFF19E-9CF8-49C6-8C36-1E4038622933", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc6:*:*:*:*:*:*", "matchCriteriaId": "B0E8FC71-3952-444C-83E9-718DBBBEC615", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc7:*:*:*:*:*:*", "matchCriteriaId": "1039E95A-8CC3-4C88-8FF9-5C08EEB861C9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/lru_sort: handle ctx allocation failure\n\nDAMON_LRU_SORT allocates the damon_ctx object for its kdamond in its init\nfunction. damon_lru_sort_enabled_store() wrongly assumes the allocation\nwill always succeed once tried. If the damon_ctx allocation was failed,\ntherefore, code execution reaches to damon_commit_ctx() while 'ctx' is\nNULL. As a result, it dereferences the NULL 'ctx' pointer. Avoid the\nNULL dereference by returning -ENOMEM if 'ctx' is NULL."}], "id": "CVE-2026-53335", "lastModified": "2026-07-23T21:33:33.100", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2026-07-01T14:16:41.460", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6d48f15659395bf1381114f01be91bc68e0be46a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ab04340b5ae5d52c1d46b750538febcde9d889e7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/daab1996431a71f43219dcac48ecc9ad2aad3f1c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mm/damon/lru_sort: handle ctx allocation failure", "id": "2495946", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2495946"}, "csaw": false, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel. The DAMON_LRU_SORT component, responsible for memory management, does not properly handle allocation failures of the damon_ctx object. This can lead to a NULL pointer dereference when damon_commit_ctx() is called with a NULL ctx pointer, potentially causing a system crash or denial of service."], "name": "CVE-2026-53335", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53335\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53335\nhttps://lore.kernel.org/linux-cve-announce/2026070143-CVE-2026-53335-6f05@gregkh/T"]}

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