CVE-2026-64033

{"id": "CVE-2026-64033", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "bab17b761c8974a869b04462be5d4dd9aad366b4", "lessThan": "01e42aabaf7632beb4bf235c7238b96c746d4144", "versionType": "git"}, {"status": "affected", "version": "ae4c81644e9105d9f7f713bb0d444737bb6a0cf1", "lessThan": "548f3956e53a7f7bde912d8129010b8986d5e602", "versionType": "git"}, {"status": "affected", "version": "ae4c81644e9105d9f7f713bb0d444737bb6a0cf1", "lessThan": "00904a73272b9f3ef3952fe69a833909dccad1ef", "versionType": "git"}, {"status": "affected", "version": "ae4c81644e9105d9f7f713bb0d444737bb6a0cf1", "lessThan": "92060ab1c5115674cf319175550f85f68405121f", "versionType": "git"}, {"status": "affected", "version": "ae4c81644e9105d9f7f713bb0d444737bb6a0cf1", "lessThan": "eae62c5451e67e8b033c1681fd3b85d7e9a9a28f", "versionType": "git"}, {"status": "affected", "version": "ae4c81644e9105d9f7f713bb0d444737bb6a0cf1", "lessThan": "b0e9706fb2859064bb6c677554c4d20c713aa8e0", "versionType": "git"}, {"status": "affected", "version": "ae4c81644e9105d9f7f713bb0d444737bb6a0cf1", "lessThan": "5b74373390113fba798a76b483837029ab010fef", "versionType": "git"}, {"status": "affected", "version": "5.15.61", "lessThan": "5.15.209", "versionType": "semver"}], "programFiles": ["drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.17"}, {"status": "unaffected", "version": "0", "lessThan": "5.17", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.209", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.175", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.142", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.92", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.34", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.11", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c"], "defaultStatus": "affected"}]}], "published": "2026-07-19T16:17:43.493", "references": [{"url": "https://git.kernel.org/stable/c/00904a73272b9f3ef3952fe69a833909dccad1ef", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/01e42aabaf7632beb4bf235c7238b96c746d4144", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/548f3956e53a7f7bde912d8129010b8986d5e602", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5b74373390113fba798a76b483837029ab010fef", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/92060ab1c5115674cf319175550f85f68405121f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b0e9706fb2859064bb6c677554c4d20c713aa8e0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/eae62c5451e67e8b033c1681fd3b85d7e9a9a28f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rtrs: Fix use-after-free in path file creation cleanup\n\nIn the error path of rtrs_srv_create_path_files(), the sysfs root folders\nmay already have been created and srv_path->kobj may already have been\ninitialized. If a later step fails, the cleanup currently calls\nkobject_put(&srv_path->kobj) before\nrtrs_srv_destroy_once_sysfs_root_folders(srv_path).\n\nkobject_put() may drop the last reference to srv_path->kobj and invoke the\nrelease callback, rtrs_srv_release(), which frees srv_path. The following\ncall to rtrs_srv_destroy_once_sysfs_root_folders(srv_path) then\ndereferences srv_path internally to access srv_path->srv, resulting in a\nuse-after-free.\n\nThis failure path is reached before rtrs_srv_create_path_files() returns\nsuccess, so the successful-path lifetime handling is not involved.\n\nFix this by destroying the sysfs root folders before calling\nkobject_put(&srv_path->kobj), so srv_path is still valid while the helper\naccesses it.\n\nThis issue was found by a static analysis tool I am developing."}], "lastModified": "2026-10-13T15:32:56.607", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA8CE104-DA14-4D9F-90D2-190A8E33AEA8", "versionEndExcluding": "5.15.209", "versionStartIncluding": "5.15.61"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51CAD64E-2216-4DC6-BD41-143581752F8E", "versionEndExcluding": "6.1.175", "versionStartIncluding": "5.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FBFF77B0-526A-4AF1-84D0-ED7187624A67", "versionEndExcluding": "6.6.142", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9CB90BD9-95B7-4D7F-9F17-4ECE6CFB66C9", "versionEndExcluding": "6.12.92", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A4B1EF6D-18D7-4838-BC37-7499D5DCC3C0", "versionEndExcluding": "6.18.34", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0520D091-FC52-4A50-AF07-70AE7D08B750", "versionEndExcluding": "7.0.11", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EC732D08-5F7B-46D9-B154-E60C7F4F0A97"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E5910A9D-F60A-409A-B486-FE66BFEBA9B9"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}