{"id":"CVE-2023-54030","state":"PUBLISHED","title":"io_uring/net: don't overflow multishot recv","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/net: don't overflow multishot recv\n\nDon't allow overflowing multishot recv CQEs, it might get out of\nhand, hurt performance, and in the worst case scenario OOM the task.","publishedAt":"2025-12-24T10:55:58.124Z","updatedAt":"2026-05-11T19:54:04.456Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b3fdea6ecb55c3ceea866ff66486927e51a982b3","status":"affected","lessThan":"1e2db9837be7d24a2a74eb3f3906d0872bee8907","versionType":"git"},{"version":"b3fdea6ecb55c3ceea866ff66486927e51a982b3","status":"affected","lessThan":"b2e74db55dd93d6db22a813c9a775b5dbf87c560","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["io_uring/net.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["io_uring/net.c"]}],"references":["https://git.kernel.org/stable/c/1e2db9837be7d24a2a74eb3f3906d0872bee8907","https://git.kernel.org/stable/c/b2e74db55dd93d6db22a813c9a775b5dbf87c560"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54030.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54030","state":"PUBLISHED","datePublished":"2025-12-24T10:55:58.124Z","dateUpdated":"2026-05-11T19:54:04.456Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T10:53:46.180Z"},"containers":{"cna":{"title":"io_uring/net: don't overflow multishot recv","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/net: don't overflow multishot recv\n\nDon't allow overflowing multishot recv CQEs, it might get out of\nhand, hurt performance, and in the worst case scenario OOM the task."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b3fdea6ecb55c3ceea866ff66486927e51a982b3","status":"affected","lessThan":"1e2db9837be7d24a2a74eb3f3906d0872bee8907","versionType":"git"},{"version":"b3fdea6ecb55c3ceea866ff66486927e51a982b3","status":"affected","lessThan":"b2e74db55dd93d6db22a813c9a775b5dbf87c560","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["io_uring/net.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.5.3","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["io_uring/net.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1e2db9837be7d24a2a74eb3f3906d0872bee8907"},{"url":"https://git.kernel.org/stable/c/b2e74db55dd93d6db22a813c9a775b5dbf87c560"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:54:04.456Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.5.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}