{"id":"CVE-2022-49791","state":"PUBLISHED","title":"io_uring: fix multishot accept request leaks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: fix multishot accept request leaks\n\nHaving REQ_F_POLLED set doesn't guarantee that the request is\nexecuted as a multishot from the polling path. Fortunately for us, if\nthe code thinks it's multishot issue when it's not, it can only ask to\nskip completion so leaking the request. Use issue_flags to mark\nmultipoll issues.","publishedAt":"2025-05-01T14:09:23.010Z","updatedAt":"2026-05-11T19:06:51.377Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"390ed29b5e425ba00da2b6113b74a14949f71b02","status":"affected","lessThan":"0e4626de856ef8f25ecd9c716e76d4f95ce95639","versionType":"git"},{"version":"390ed29b5e425ba00da2b6113b74a14949f71b02","status":"affected","lessThan":"91482864768a874c4290ef93b84a78f4f1dac51b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/io_uring.h","io_uring/io_uring.c","io_uring/io_uring.h","io_uring/net.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.0.10","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/io_uring.h","io_uring/io_uring.c","io_uring/io_uring.h","io_uring/net.c"]}],"references":["https://git.kernel.org/stable/c/0e4626de856ef8f25ecd9c716e76d4f95ce95639","https://git.kernel.org/stable/c/91482864768a874c4290ef93b84a78f4f1dac51b"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49791.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49791","state":"PUBLISHED","datePublished":"2025-05-01T14:09:23.010Z","dateUpdated":"2026-05-11T19:06:51.377Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-05-01T14:05:17.224Z"},"containers":{"cna":{"title":"io_uring: fix multishot accept request leaks","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: fix multishot accept request leaks\n\nHaving REQ_F_POLLED set doesn't guarantee that the request is\nexecuted as a multishot from the polling path. Fortunately for us, if\nthe code thinks it's multishot issue when it's not, it can only ask to\nskip completion so leaking the request. Use issue_flags to mark\nmultipoll issues."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"390ed29b5e425ba00da2b6113b74a14949f71b02","status":"affected","lessThan":"0e4626de856ef8f25ecd9c716e76d4f95ce95639","versionType":"git"},{"version":"390ed29b5e425ba00da2b6113b74a14949f71b02","status":"affected","lessThan":"91482864768a874c4290ef93b84a78f4f1dac51b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/io_uring.h","io_uring/io_uring.c","io_uring/io_uring.h","io_uring/net.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.19","versionType":"semver"},{"version":"6.0.10","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/io_uring.h","io_uring/io_uring.c","io_uring/io_uring.h","io_uring/net.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0e4626de856ef8f25ecd9c716e76d4f95ce95639"},{"url":"https://git.kernel.org/stable/c/91482864768a874c4290ef93b84a78f4f1dac51b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:06:51.377Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.19","versionEndExcluding":"6.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}