{"id":"CVE-2022-3910","state":"PUBLISHED","title":"Use after free in IO_uring in the Linux Kernel","description":"Use After Free vulnerability in Linux Kernel allows Privilege Escalation. An improper Update of Reference Count in io_uring leads to Use-After-Free and Local Privilege Escalation.\nWhen io_msg_ring was invoked with a fixed file, it called io_fput_file() which improperly decreased its reference count (leading to Use-After-Free and Local Privilege Escalation). Fixed files are permanently registered to the ring, and should not be put separately.\n\nWe recommend upgrading past commit  https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679 https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679 \n","publishedAt":"2022-11-22T12:12:16.700Z","updatedAt":"2025-04-21T13:46:13.836Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"Google"},"assigner":"Google","products":["Linux Linux Kernel"],"affected":[{"vendor":"Linux","product":"Linux Kernel","packageName":"kernel","defaultStatus":"unaffected","versions":[{"version":"5.18.0","status":"affected","lessThanOrEqual":"5.19.10","versionType":"custom"}],"repo":"https://git.kernel.org"}],"references":["https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679","https://kernel.dance/#fc7222c3a9f56271fba02aabbfbae999042f1679"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T19:50:32.060Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/3xxx/CVE-2022-3910.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-3910","state":"PUBLISHED","datePublished":"2022-11-22T12:12:16.700Z","dateUpdated":"2025-04-21T13:46:13.836Z","assignerShortName":"Google","assignerOrgId":"14ed7db2-1595-443d-9d34-6215bf890778","requesterUserId":"ed9b5bb2-2df1-4aa3-9791-5fb260d88e62","dateReserved":"2022-11-09T12:57:22.704Z"},"containers":{"cna":{"title":"Use after free in IO_uring in the Linux Kernel","descriptions":[{"lang":"en","value":"Use After Free vulnerability in Linux Kernel allows Privilege Escalation. An improper Update of Reference Count in io_uring leads to Use-After-Free and Local Privilege Escalation.\nWhen io_msg_ring was invoked with a fixed file, it called io_fput_file() which improperly decreased its reference count (leading to Use-After-Free and Local Privilege Escalation). Fixed files are permanently registered to the ring, and should not be put separately.\n\nWe recommend upgrading past commit  https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679 https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679 \n"}],"affected":[{"vendor":"Linux","product":"Linux Kernel","packageName":"kernel","defaultStatus":"unaffected","versions":[{"version":"5.18.0","status":"affected","lessThanOrEqual":"5.19.10","versionType":"custom"}],"repo":"https://git.kernel.org"}],"references":[{"url":"https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679"},{"url":"https://kernel.dance/#fc7222c3a9f56271fba02aabbfbae999042f1679"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 Use After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Google","orgId":"14ed7db2-1595-443d-9d34-6215bf890778","dateUpdated":"2022-11-22T12:26:26.702Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Bing-Jhong Billy Jheng of Starlabs"}],"datePublic":"2022-05-16T22:00:00.000Z","impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/torvalds/linux/commit/fc7222c3a9f56271fba02aabbfbae999042f1679","tags":["x_transferred"]},{"url":"https://kernel.dance/#fc7222c3a9f56271fba02aabbfbae999042f1679","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T01:20:58.856Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-21T13:37:05.356078Z","id":"CVE-2022-3910","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-21T13:46:13.836Z"}}]}}}