{"id":"CVE-2025-21937","state":"PUBLISHED","title":"Bluetooth: Add check for mgmt_alloc_skb() in mgmt_remote_name()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Add check for mgmt_alloc_skb() in mgmt_remote_name()\n\nAdd check for the return value of mgmt_alloc_skb() in\nmgmt_remote_name() to prevent null pointer dereference.","publishedAt":"2025-04-01T15:41:04.378Z","updatedAt":"2026-05-23T15:57:28.874Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux 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Add check for mgmt_alloc_skb() in mgmt_remote_name()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Add check for mgmt_alloc_skb() in mgmt_remote_name()\n\nAdd check for the return value of mgmt_alloc_skb() in\nmgmt_remote_name() to prevent null pointer dereference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ba17bb62ce415950753c19d16bb43b2bd3701158","status":"affected","lessThan":"37785a01040cb5d11ed0ddbcbf78491fcd073161","versionType":"git"},{"version":"ba17bb62ce415950753c19d16bb43b2bd3701158","status":"affected","lessThan":"c5845c73cbacf5704169283ef29ca02031a36564","versionType":"git"},{"version":"ba17bb62ce415950753c19d16bb43b2bd3701158","status":"affected","lessThan":"88310caff68ae69d0574859f7926a59c1da2d60b","versionType":"git"},{"version":"ba17bb62ce415950753c19d16bb43b2bd3701158","status":"affected","lessThan":"69fb168b88e4d62cb31cdd725b67ccc5216cfcaf","versionType":"git"},{"version":"ba17bb62ce415950753c19d16bb43b2bd3701158","status":"affected","lessThan":"f2176a07e7b19f73e05c805cf3d130a2999154cb","versionType":"git"},{"version":"0f526a6d3e9347d94c2c0b5292a3cb3b25115019","status":"affected","versionType":"git"},{"version":"5.17.2","status":"affected","lessThan":"5.18","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/mgmt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","versionType":"semver"},{"version":"6.1.131","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.83","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.19","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13.7","status":"unaffected","lessThanOrEqual":"6.13.*","versionType":"semver"},{"version":"6.14","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bluetooth/mgmt.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/37785a01040cb5d11ed0ddbcbf78491fcd073161"},{"url":"https://git.kernel.org/stable/c/c5845c73cbacf5704169283ef29ca02031a36564"},{"url":"https://git.kernel.org/stable/c/88310caff68ae69d0574859f7926a59c1da2d60b"},{"url":"https://git.kernel.org/stable/c/69fb168b88e4d62cb31cdd725b67ccc5216cfcaf"},{"url":"https://git.kernel.org/stable/c/f2176a07e7b19f73e05c805cf3d130a2999154cb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:57:28.874Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.131"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.6.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.12.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.13.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2025-21937","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:22:11.013258Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:26:32.809Z"}},{"title":"CVE Program 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