{"schema_version":"1.9.0","id":"CVE-2023-3389","published":"2023-06-28T19:33:55.097Z","modified":"2026-08-12T03:51:15.089247669Z","related":["SUSE-SU-2023:2803-1","SUSE-SU-2023:2820-1","SUSE-SU-2023:2831-1","SUSE-SU-2023:2871-1","SUSE-SU-2023:2892-1","SUSE-SU-2023:3302-1"],"summary":"Use after free in io_uring in the Linux Kernel","details":"A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.\n\nRacing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.\n\nWe recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git","events":[{"introduced":"62fb9874f5da54fdb243003b386128037319b219"},{"fixed":"6995e2de6891c724bfeb2db33d7b87775f913ad1"}],"database_specific":{"extracted_events":[{"introduced":"5.13"},{"fixed":"6.4"}],"source":"AFFECTED_FIELD"}}],"versions":["v6.4-rc7","v6.4-rc1","v6.4-rc6","v6.4-rc5","v6.4-rc3","v6.4-rc4","v6.4-rc2","v6.3","v6.3-rc1","v6.3-rc7","v6.3-rc2","v6.3-rc3","v6.3-rc5","v6.3-rc6","v6.3-rc4","v6.2-rc6","v6.2-rc1","v6.2","v6.2-rc2","v6.2-rc8","v6.2-rc5","v6.2-rc4","v6.2-rc7","v6.2-rc3","v6.1-rc1","v6.1","v6.1-rc8","v6.1-rc3","v6.1-rc6","v6.1-rc7","v6.1-rc4","v6.1-rc2","v6.1-rc5","v6.0-rc1","v6.0","v6.0-rc7","v6.0-rc3","v6.0-rc2","v6.0-rc6","v6.0-rc4","v6.0-rc5","v5.19","v5.19-rc1","v5.19-rc5","v5.19-rc8","v5.19-rc6","v5.18","v5.19-rc2","v5.19-rc7","v5.19-rc3","v5.19-rc4","v5.18-rc1","v5.18-rc7","v5.18-rc2","v5.18-rc5","v5.17","v5.18-rc4","v5.18-rc3","v5.18-rc6","v5.17-rc6","v5.17-rc4","v5.17-rc8","v5.17-rc7","v5.17-rc1","v5.17-rc3","v5.17-rc2","v5.17-rc5","v5.16","v5.16-rc1","v5.16-rc8","v5.16-rc5","v5.16-rc6","v5.16-rc7","v5.16-rc3","v5.16-rc2","v5.16-rc4","v5.15","v5.15-rc2","v5.15-rc1","v5.15-rc4","v5.15-rc7","v5.15-rc3","v5.15-rc5","v5.15-rc6","v5.14","v5.14-rc3","v5.14-rc1","v5.14-rc2","v5.14-rc7","v5.14-rc6","v5.14-rc5","v5.14-rc4","v5.13"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-3389.json"}}],"references":[{"type":"WEB","url":"http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html"},{"type":"WEB","url":"https://git.kernel.org"},{"type":"WEB","url":"https://kernel.dance/0e388fce7aec40992eadee654193cad345d62663"},{"type":"WEB","url":"https://kernel.dance/4716c73b188566865bdd79c3a6709696a224ac04"},{"type":"WEB","url":"https://kernel.dance/ef7dfac51d8ed961b742218f526bd589f3900a59"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3389.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3389"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20230731-0001/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5480"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=4716c73b188566865bdd79c3a6709696a224ac04"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=0e388fce7aec40992eadee654193cad345d62663"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef7dfac51d8ed961b742218f526bd589f3900a59"}],"database_specific":{"cna_assigner":"Google","cwe_ids":["CWE-416"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3389.json","unresolved_ranges":[{"extracted_events":[{"introduced":"5.10.162"},{"fixed":"5.10.185"}],"source":"AFFECTED_FIELD"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}