{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45836", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.077Z", "datePublished": "2026-05-26T16:14:13.568Z", "dateUpdated": "2026-06-14T17:45:57.724Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T17:45:57.724Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()\n\nAdd the same NULL guard already present in\nl2cap_sock_resume_cb() and l2cap_sock_ready_cb()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/l2cap_sock.c"], "versions": 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"https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d"}, {"url": "https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083"}, {"url": "https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767"}, {"url": "https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6"}, {"url": "https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613"}], "title": "Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/bluetooth/l2cap_sock.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fd072f833147b0bc10c43a454624cb99d02f3fc7", "status": "affected", "version": "8d836d71e2223b8961b21112bb4ce89ef8231682", "versionType": "git"}, {"lessThan": "6e8d1a2a677a81caa60cf0aabd4217bd585fbba1", "status": "affected", "version": "8d836d71e2223b8961b21112bb4ce89ef8231682", "versionType": "git"}, {"lessThan": "e1863e7480feddb90125d0dd5a1b572972d75908", "status": "affected", "version": "8d836d71e2223b8961b21112bb4ce89ef8231682", "versionType": "git"}, {"lessThan": "cf1fd517f892ded88168df878f834b625133f86d", "status": "affected", "version": "8d836d71e2223b8961b21112bb4ce89ef8231682", "versionType": "git"}, {"lessThan": "58dc5e3d8768e121907608e6e196a908512fb083", "status": "affected", "version": "8d836d71e2223b8961b21112bb4ce89ef8231682", "versionType": "git"}, {"lessThan": "32bd343803d4ba47cc516f9d5f037f01b855d767", "status": "affected", "version": "8d836d71e2223b8961b21112bb4ce89ef8231682", "versionType": "git"}, {"lessThan": "a93d66907dd4d29b65c9797a93784bf61906d6d6", "status": "affected", "version": "8d836d71e2223b8961b21112bb4ce89ef8231682", "versionType": "git"}, {"lessThan": "78a88d43dab8d23aeef934ed8ce34d40e6b3d613", "status": "affected", "version": "8d836d71e2223b8961b21112bb4ce89ef8231682", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/bluetooth/l2cap_sock.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.13"}, {"lessThan": "3.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.258", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.209", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.175", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.140", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.90", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.30", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()\n\nAdd the same NULL guard already present in\nl2cap_sock_resume_cb() and l2cap_sock_ready_cb()."}], "id": "CVE-2026-45836", "lastModified": "2026-06-17T10:52:34.830", "metrics": {}, "published": "2026-05-26T17:16:50.813", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()", "id": "2481545", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481545"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's Bluetooth L2CAP subsystem. This vulnerability, a null-pointer dereference, occurs due to a missing NULL guard in the `l2cap_sock_get_sndtimeo_cb()` function. A local attacker could exploit this flaw to trigger a system crash, leading to a Denial of Service (DoS)."], "name": "CVE-2026-45836", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45836\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45836\nhttps://lore.kernel.org/linux-cve-announce/2026052629-CVE-2026-45836-9f4d@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8d836d71e2223b8961b21112bb4ce89ef8231682,cf1fd517f892ded88168df878f834b625133f86d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8d836d71e2223b8961b21112bb4ce89ef8231682,58dc5e3d8768e121907608e6e196a908512fb083)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8d836d71e2223b8961b21112bb4ce89ef8231682,32bd343803d4ba47cc516f9d5f037f01b855d767)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8d836d71e2223b8961b21112bb4ce89ef8231682,a93d66907dd4d29b65c9797a93784bf61906d6d6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8d836d71e2223b8961b21112bb4ce89ef8231682,78a88d43dab8d23aeef934ed8ce34d40e6b3d613)"}}], "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": "generic", "value": "3.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.140,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.90,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.30,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.7,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1-rc3,*]"}}], "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": "2026-05-26T18:45:13.155564+00:00", "updated": "2026-05-28T02:15:04.384296+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}