{"id":"CVE-2024-0582","published":"2024-01-16T14:33:44Z","modified":"2025-11-20T07:09:06Z","title":"Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap","vendor":"Red Hat","product":"Red Hat Enterprise Linux 6","tier":"core","eol":null,"affectedVersions":[{"vendor":null,"product":null,"versions":["all versions"]}],"description":{"text":"A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.12836,"percentile":0.96283,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2025-02-26","exploitedFirstSeen":"2025-02-26","ransomware":false,"evidence":[{"url":"https://securelist.com/vulnerabilities-and-exploits-in-q4-2024/115761/","date":"2025-02-26"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":1,"pulses":[{"name":"Vulnerability landscape analysis for Q4 2024 | Securelist","url":"https://otx.alienvault.com/pulse/67beee0328f327df37f068e7","created":"2025-02-26"}],"provenance":"machine"},"cwes":[{"id":"CWE-416","name":"Use After Free"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2024-0582","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugs.chromium.org/p/project-zero/issues/detail?id=2504","tags":[]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2254050","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2024/04/24/3","tags":["x_transferred"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2024-16375","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-16375","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"pocGithub":{"count":6,"skipped":2,"earliest":"2024-03-29","earliestUrl":"https://github.com/ysanatomic/io_uring_LPE-CVE-2024-0582","repos":[{"name":"ysanatomic/io_uring_LPE-CVE-2024-0582","url":"https://github.com/ysanatomic/io_uring_LPE-CVE-2024-0582","stars":101,"created":"2024-03-29"},{"name":"geniuszly/CVE-2024-0582","url":"https://github.com/geniuszly/CVE-2024-0582","stars":13,"created":"2024-10-03"},{"name":"kuzeyardabulut/CVE-2024-0582","url":"https://github.com/kuzeyardabulut/CVE-2024-0582","stars":13,"created":"2025-04-05"},{"name":"101010zyl/CVE-2024-0582-dataonly","url":"https://github.com/101010zyl/CVE-2024-0582-dataonly","stars":5,"created":"2024-12-15"},{"name":"pwnmonk/io_uring-n-day","url":"https://github.com/pwnmonk/io_uring-n-day","stars":0,"created":"2025-09-26"}]},"first":{"date":"2024-03-29","source":"PoC-in-GitHub","url":"https://github.com/ysanatomic/io_uring_LPE-CVE-2024-0582"},"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2024-01-16","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2024-0582","provenance":"source"},{"date":"2024-03-29","kind":"exploit-public","label":"First public exploit: PoC-in-GitHub","url":"https://github.com/ysanatomic/io_uring_LPE-CVE-2024-0582","provenance":"source"},{"date":"2025-02-26","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://securelist.com/vulnerabilities-and-exploits-in-q4-2024/115761/","provenance":"source"}],"speed":{"daysToPublicExploit":73,"firstExploitFrom":"PoC-in-GitHub","daysToKev":null},"priority":{"score":65.4,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 611 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.26,"detail":"percentile 0.9628"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"6 PoC-in-GitHub repos"},{"name":"Mentioned in OTX pulses","points":0.68,"detail":"1 pulse"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}