{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2023-3439","assignerOrgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5","assignerShortName":"fedora","dateUpdated":"2025-03-10T21:08:54.880Z","dateReserved":"2023-06-28T00:00:00.000Z","datePublished":"2023-06-28T00:00:00.000Z"},"containers":{"cna":{"providerMetadata":{"orgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5","shortName":"fedora","dateUpdated":"2023-07-02T00:00:00.000Z"},"descriptions":[{"lang":"en","value":"A flaw was found in the MCTP protocol in the Linux kernel. The function mctp_unregister() reclaims the device's relevant resource when a netcard detaches. However, a running routine may be unaware of this and cause the use-after-free of the mdev->addrs object, potentially leading to a denial of service."}],"affected":[{"vendor":"n/a","product":"Linux Kernel (mctp)","versions":[{"version":"Fixed in kernel 5.18-rc5","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2217915"},{"url":"https://github.com/torvalds/linux/commit/b561275d633bcd8e0e8055ab86f1a13df75a0269"},{"name":"[oss-security] 20230702 CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg","tags":["mailing-list"],"url":"http://www.openwall.com/lists/oss-security/2023/07/02/1"}],"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-416","cweId":"CWE-416"}]}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T06:55:03.477Z"},"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2217915","tags":["x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/b561275d633bcd8e0e8055ab86f1a13df75a0269","tags":["x_transferred"]},{"name":"[oss-security] 20230702 CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg","tags":["mailing-list","x_transferred"],"url":"http://www.openwall.com/lists/oss-security/2023/07/02/1"}]},{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.7,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-03-06T15:55:04.331859Z","id":"CVE-2023-3439","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-03-10T21:08:54.880Z"}}]}}