CVE-2026-98115

{"id": "CVE-2026-98115", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "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": "76e98a158b207771a6c9a0de0a60522a446a3447", "lessThan": "a7e6df0bb92642bee4431b2b85c69ada1e463b21", "versionType": "git"}, {"status": "affected", "version": "76e98a158b207771a6c9a0de0a60522a446a3447", "lessThan": "d12168084c8c1b6d883c8eca5853929ac5136a9e", "versionType": "git"}, {"status": "affected", "version": "118fd997612d1efc94a86c307c6c6d659ebe29fc", "versionType": "git"}, {"status": "affected", "version": "c1e55020534c4aafbc38d8f5c4583ff30755ac18", "versionType": "git"}, {"status": "affected", "version": "6.6.48", "lessThan": "6.7", "versionType": "semver"}, {"status": "affected", "version": "6.10.7", "lessThan": "6.11", "versionType": "semver"}], "programFiles": ["fs/smb/server/connection.c", "fs/smb/server/mgmt/user_session.c", "fs/smb/server/mgmt/user_session.h", "fs/smb/server/smb2pdu.c", "fs/smb/server/vfs_cache.c", "fs/smb/server/vfs_cache.h"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"status": "unaffected", "version": "0", "lessThan": "6.11", "versionType": "semver"}, {"status": "unaffected", "version": "7.2.7", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/smb/server/connection.c", "fs/smb/server/mgmt/user_session.c", "fs/smb/server/mgmt/user_session.h", "fs/smb/server/smb2pdu.c", "fs/smb/server/vfs_cache.c", "fs/smb/server/vfs_cache.h"], "defaultStatus": "affected"}]}], "published": "2026-09-25T11:17:42.667", "references": [{"url": "https://git.kernel.org/stable/c/a7e6df0bb92642bee4431b2b85c69ada1e463b21", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d12168084c8c1b6d883c8eca5853929ac5136a9e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Undergoing Analysis", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: safely drain sessions during logoff\n\nSMB3 multichannel allows requests for one session to run on multiple\nconnections. Wait for all channels bound to a session before freeing\nshared session objects.\n\nA deferred byte-range lock remains counted as a running request and only\nwakes when its file closes. Wake blocked locks during the drain without\nunpublishing or modifying their file objects. Synchronous CANCEL requests\nmust invoke their cancellation callback to wake pending operations, while\nCHANGE_NOTIFY completion remains specific to the asynchronous path.\n\nSerialize session teardown with channel registration and previous-session\ncleanup, and use atomic work-state transitions so LOGOFF, CANCEL, and\nconnection teardown invoke cancellation callbacks only once."}], "lastModified": "2026-10-19T10:18:09.537", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "72C40D03-D807-412F-8A03-2556A2D70DC5", "versionEndExcluding": "6.7", "versionStartIncluding": "6.6.48"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "48B1FCEA-70A6-45BD-A39B-9184638703FB", "versionEndExcluding": "6.11", "versionStartIncluding": "6.10.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0CA0ED9-385D-45EA-A7C7-A31BCB9103B5", "versionEndExcluding": "7.2.7", "versionStartIncluding": "6.11.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4770BA57-3F3F-493B-8608-EC3B25254949"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8383ABF-1457-401F-9B61-EE50F4C61F4F"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B77A9280-37E6-49AD-B559-5B23A3B1DC3D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE5298B3-04B4-4F3E-B186-01A58B5C75A6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.3:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "11E35E1B-5DB4-4AB9-9706-CD73B799EADF"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}