{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68140", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.370Z", "datePublished": "2026-08-10T11:59:03.761Z", "dateUpdated": "2026-08-10T11:59:03.761Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T11:59:03.761Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/iucv: fix use-after-free of a severed iucv_path\n\naf_iucv queues not-yet-received message notifications on iucv->message_q,\neach holding a raw pointer to the connection's iucv_path. When the peer\nsevers the connection, iucv_sever_path() frees that path with\niucv_path_free() but leaves the notifications queued. A later recvmsg()\ndrains message_q via iucv_process_message_q() and hands the stale path to\nmessage_receive() -- a use-after-free of the freed iucv_path.\n\nDrop the queued notifications when the path is severed; once the path is\ngone they can no longer be received. This also frees the notifications\nleaked when a socket is closed with messages still queued."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/iucv/af_iucv.c"], "versions": [{"version": "f0703c80e5156406ad947cb67fe277725b48080f", "lessThan": "23658b350b4107e8292045c2044983fd426fa15d", "status": "affected", "versionType": "git"}, {"version": "f0703c80e5156406ad947cb67fe277725b48080f", "lessThan": "a5bbaddf69853117f28173c3f5c8fc14c6b2ec82", "status": "affected", "versionType": "git"}, {"version": "f0703c80e5156406ad947cb67fe277725b48080f", "lessThan": "900cd6d8119b7f3ae5c4bf82f922ff5957df43db", "status": "affected", "versionType": "git"}, {"version": "f0703c80e5156406ad947cb67fe277725b48080f", "lessThan": "f579582c03ed526281a8450159baf1d35099a85f", "status": "affected", "versionType": "git"}, {"version": "f0703c80e5156406ad947cb67fe277725b48080f", "lessThan": "be7cc4656eb1f54029610e82d1f0fdd3f9b5ec0a", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/iucv/af_iucv.c"], "versions": [{"version": "2.6.24", "status": "affected"}, {"version": "0", "lessThan": "2.6.24", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc5", "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": "2.6.24", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "7.2-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/23658b350b4107e8292045c2044983fd426fa15d"}, {"url": "https://git.kernel.org/stable/c/a5bbaddf69853117f28173c3f5c8fc14c6b2ec82"}, {"url": "https://git.kernel.org/stable/c/900cd6d8119b7f3ae5c4bf82f922ff5957df43db"}, {"url": "https://git.kernel.org/stable/c/f579582c03ed526281a8450159baf1d35099a85f"}, {"url": "https://git.kernel.org/stable/c/be7cc4656eb1f54029610e82d1f0fdd3f9b5ec0a"}], "title": "net/iucv: fix use-after-free of a severed iucv_path", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f0703c80e5156406ad947cb67fe277725b48080f,23658b350b4107e8292045c2044983fd426fa15d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f0703c80e5156406ad947cb67fe277725b48080f,a5bbaddf69853117f28173c3f5c8fc14c6b2ec82)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f0703c80e5156406ad947cb67fe277725b48080f,900cd6d8119b7f3ae5c4bf82f922ff5957df43db)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f0703c80e5156406ad947cb67fe277725b48080f,f579582c03ed526281a8450159baf1d35099a85f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f0703c80e5156406ad947cb67fe277725b48080f,be7cc4656eb1f54029610e82d1f0fdd3f9b5ec0a)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.6.24"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.24)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T14:15:03.850357+00:00", "updated": "2026-08-10T15:15:04.520738+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}