{"id":"CVE-2023-3108","title":"Kernel: a race condition in crypto module in the function skcipher_recvmsg","summary":"A flaw was found in the subsequent get_user_pages_fast in the Linux kernel’s interface for symmetric key cipher algorithms in the skcipher_recvmsg of crypto/algif_skcipher.c function. This flaw allows a local user to crash the system.","severity":"medium","cvss":6.2,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","vendor":"Red Hat","product":"kernel","affected":["kernel","kernel","kernel-rt","kernel","kernel-rt","kernel","kernel-rt"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-03-06T15:25:54.440276Z"},"published":"2023-07-11","updated":"2026-11-07","sourceUpdated":"2026-11-07T11:32:54.362Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-3108","references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-3108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2221472","label":"RHBZ#2221472"},{"url":"https://github.com/torvalds/linux/commit/9399f0c51489ae8c16d6559b82a452fdc1895e91"}],"tags":["cve.org"],"epss":0.0019,"epssPercentile":0.08712,"ingestedAt":"2026-11-07T12:16:41.103Z","slug":"CVE-2023-3108","body":"## Overview\n\nA flaw was found in the subsequent get_user_pages_fast in the Linux kernel’s interface for symmetric key cipher algorithms in the skcipher_recvmsg of crypto/algif_skcipher.c function. This flaw allows a local user to crash the system.\n\n## Affected\n\n- `kernel`\n- `kernel`\n- `kernel-rt`\n- `kernel`\n- `kernel-rt`\n- `kernel`\n- `kernel-rt`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":34.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}