{"id":"CVE-2022-29582","title":"In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring timeouts","summary":"In the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can on…","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-362"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 5.10.111","linux_kernel >= 5.11, < 5.15.34","linux_kernel >= 5.16, < 5.16.20","linux_kernel >= 5.17, < 5.17.3","debian_linux = 11.0"],"patched":["linux_kernel 5.17.3"],"published":"2022-04-22","updated":"2026-08-13","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-29582","references":[{"url":"http://www.openwall.com/lists/oss-security/2022/04/22/4","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/08/08/3","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2024/04/24/3","label":"cve@mitre.org"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3","label":"cve@mitre.org"},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646","label":"cve@mitre.org"},{"url":"https://github.com/Ruia-ruia/CVE-2022-29582-Exploit","label":"cve@mitre.org"},{"url":"https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646","label":"cve@mitre.org"},{"url":"https://ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/","label":"cve@mitre.org"},{"url":"https://www.debian.org/security/2022/dsa-5127","label":"cve@mitre.org"},{"url":"https://www.openwall.com/lists/oss-security/2022/04/22/3","label":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/04/22/4","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2022/08/08/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2024/04/24/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e677edbcabee849bfdd43f1602bccbecf736a646","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/Ruia-ruia/CVE-2022-29582-Exploit","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/e677edbcabee849bfdd43f1602bccbecf736a646","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ruia-ruia.github.io/2022/08/05/CVE-2022-29582-io-uring/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5127","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openwall.com/lists/oss-security/2022/04/22/3","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","exploit-available"],"epss":0.00773,"epssPercentile":0.5375,"ingestedAt":"2026-08-13T20:06:15.034Z","exploits":{"github":1,"githubRepos":["https://github.com/Ruia-ruia/CVE-2022-29582-Exploit"],"checkedAt":"2026-09-21T15:25:22.767Z"},"exploitAvailable":true,"slug":"CVE-2022-29582","body":"## Overview\n\nIn the Linux kernel before 5.17.3, fs/io_uring.c has a use-after-free due to a race condition in io_uring timeouts. This can be triggered by a local user who has no access to any user namespace; however, the race condition perhaps can only be exploited infrequently.\n\n## Affected\n\n- `linux_kernel < 5.10.111`\n- `linux_kernel >= 5.11, < 5.15.34`\n- `linux_kernel >= 5.16, < 5.16.20`\n- `linux_kernel >= 5.17, < 5.17.3`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.17.3`","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":38.5,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[{"seq":4619,"id":"CVE-2022-29582","ts":1788887194242,"field":"exploit_available","old":"false","new":"true"},{"seq":3502,"id":"CVE-2022-29582","ts":1788886310708,"field":"exploit_available","old":"true","new":"false"},{"seq":2356,"id":"CVE-2022-29582","ts":1788882980155,"field":"exploit_available","old":"false","new":"true"},{"seq":1385,"id":"CVE-2022-29582","ts":1788882392810,"field":"exploit_available","old":"true","new":"false"},{"seq":499,"id":"CVE-2022-29582","ts":1788881828663,"field":"exploit_available","old":"false","new":"true"}]}