{"id":"CVE-2023-3269","published":"2023-07-11T11:45:36Z","modified":"2025-03-05T18:54:16Z","title":"Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal","vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","tier":"core","eol":null,"affectedVersions":[{"vendor":"n/a","product":"kernel","versions":["all versions"]},{"vendor":"Fedora","product":"Fedora","versions":["all versions"]}],"description":{"text":"A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.01304,"percentile":0.70446,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2024-12-06","exploitedFirstSeen":"2024-12-06","ransomware":false,"evidence":[{"url":"https://securelist.com/exploits-and-vulnerabilities-q3-2024/114839/","date":"2024-12-06"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-416","name":"Use After Free"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-3269","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2215268","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://www.openwall.com/lists/oss-security/2023/07/05/1","tags":[]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/","tags":[]},{"url":"http://seclists.org/fulldisclosure/2023/Jul/43","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2023/07/28/1","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2023/08/25/1","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2023/08/25/4","tags":[]},{"url":"https://security.netapp.com/advisory/ntap-20230908-0001/","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-43945","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-43945","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2023-06-28","earliestUrl":"https://github.com/lrh2000/StackRot","repos":[{"name":"lrh2000/StackRot","url":"https://github.com/lrh2000/StackRot","stars":499,"created":"2023-06-28"}]},"first":{"date":"2023-06-28","source":"PoC-in-GitHub","url":"https://github.com/lrh2000/StackRot"},"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2023-06-28","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/lrh2000/StackRot","provenance":"source"},{"date":"2023-07-11","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2023-3269","provenance":"source"},{"date":"2024-12-06","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://securelist.com/exploits-and-vulnerabilities-q3-2024/114839/","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":"PoC-in-GitHub","daysToKev":null},"priority":{"score":59.5,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 692 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":14.09,"detail":"percentile 0.7045"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 PoC-in-GitHub repo"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}