{"id":"CVE-2023-3269","aliases":["AZL-27411","AZL-27644","BELL-CVE-2023-3269","DEBIAN-CVE-2023-3269","DSA-5448-1","EUVD-2023-43945","GHSA-2j2w-8gvj-wjmj","UBUNTU-CVE-2023-3269","USN-6249-1","openSUSE-SU-2024:13042-1","openSUSE-SU-2024:13704-1"],"status":"published","title":"Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal","description":"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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01294,"percentile":0.70513,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-416"],"published":"2023-07-05T00:00:00Z","modified":"2026-10-26T18:03:05Z","exploits":[{"source":"pocgithub","id":"lrh2000/StackRot","title":"lrh2000/StackRot","date":"2023-06-28","url":"https://github.com/lrh2000/StackRot"}],"fixes":[{"ecosystem":"Azure Linux:2","package":"kernel","fixed_in":["5.15.122.1-2"],"sources":["osv"]},{"ecosystem":"Azure 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This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.","status":"published","published":"2023-07-11T12:15:10.047Z","modified":"2026-06-17T06:13:42.753Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:08:15.127597Z"}],"osv":[{"id":"AZL-27411","title":"CVE-2023-3269 affecting package kernel for versions less than 5.15.122.1-2","description":"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.","status":"published","published":"2023-07-11T12:15:10Z","modified":"2026-04-21T04:24:18.145883Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:03.093433Z"},{"id":"AZL-27644","title":"CVE-2023-3269 affecting package hyperv-daemons for versions less than 5.15.158.1-1","description":"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.","status":"published","published":"2023-07-11T12:15:10Z","modified":"2026-04-21T04:24:28.303733Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:03.093433Z"},{"id":"BELL-CVE-2023-3269","status":"published","published":"2023-07-11T12:15:00Z","modified":"2026-01-26T09:33:21.094491Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:17.742221Z"},{"id":"CVE-2023-3269","description":"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.","status":"published","published":"2023-07-11T12:15:10.047Z","modified":"2026-03-15T22:44:35.435113Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:32.116263Z"},{"id":"DEBIAN-CVE-2023-3269","description":"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.","status":"published","published":"2023-07-11T12:15:10.047Z","modified":"2026-10-26T18:03:05.157337885Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:39.679062Z"},{"id":"UBUNTU-CVE-2023-3269","description":"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.","status":"published","published":"2023-07-11T12:15:00Z","modified":"2026-02-04T04:34:34.510601Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:54:20.997471Z"},{"id":"DSA-5448-1","title":"linux - security update","status":"published","published":"2023-07-05T00:00:00Z","modified":"2026-03-09T02:09:46.533844Z","updated_at":"2026-11-02T15:46:17.892347Z"},{"id":"openSUSE-SU-2024:13042-1","title":"kernel-devel-6.4.2-1.1 on GA media","description":"These are all security issues fixed in the kernel-devel-6.4.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:05:41.016905Z","updated_at":"2026-11-02T16:58:36.025801Z"},{"id":"openSUSE-SU-2024:13704-1","title":"kernel-devel-longterm-6.6.17-1.1 on GA media","description":"These are all security issues fixed in the kernel-devel-longterm-6.6.17-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:07:48.417979Z","updated_at":"2026-11-02T16:58:36.327643Z"},{"id":"USN-6249-1","title":"linux-oem-6.1 vulnerabilities","description":"Ruihan Li discovered that the memory management subsystem in the Linux\nkernel contained a race condition when accessing VMAs in certain\nconditions, leading to a use-after-free vulnerability. A local attacker\ncould possibly use this to cause a denial of service (system crash) or\nexecute arbitrary code. (CVE-2023-3269)\n\nQuerijn Voet discovered that a race condition existed in the io_uring\nsubsystem in the Linux kernel, leading to a use-after-free vulnerability. A\nlocal attacker could use this to cause a denial of service (system crash)\nor possibly execute arbitrary code. (CVE-2023-3389)\n\n","status":"published","published":"2023-07-25T22:00:21Z","modified":"2026-06-03T14:04:02.154510655Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}