{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-58000","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-27T02:04:28.915Z","datePublished":"2025-02-27T02:07:19.155Z","dateUpdated":"2025-05-04T10:08:06.384Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T10:08:06.384Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: prevent reg-wait speculations\n\nWith *ENTER_EXT_ARG_REG instead of passing a user pointer with arguments\nfor the waiting loop the user can specify an offset into a pre-mapped\nregion of memory, in which case the\n[offset, offset + sizeof(io_uring_reg_wait)) will be intepreted as the\nargument.\n\nAs we address a kernel array using a user given index, it'd be a subject\nto speculation type of exploits. Use array_index_nospec() to prevent\nthat. Make sure to pass not the full region size but truncate by the\nmaximum offset allowed considering the structure size."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["io_uring/io_uring.c"],"versions":[{"version":"aa00f67adc2c0d6439f81b5a81ff181377c47a7e","lessThan":"2a6de94df7bfa76d9850443547e7b3333f63a16a","status":"affected","versionType":"git"},{"version":"aa00f67adc2c0d6439f81b5a81ff181377c47a7e","lessThan":"29b95ac917927ce9f95bf38797e16333ecb489b1","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["io_uring/io_uring.c"],"versions":[{"version":"6.13","status":"affected"},{"version":"0","lessThan":"6.13","status":"unaffected","versionType":"semver"},{"version":"6.13.2","lessThanOrEqual":"6.13.*","status":"unaffected","versionType":"semver"},{"version":"6.14","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.13.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.14"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/2a6de94df7bfa76d9850443547e7b3333f63a16a"},{"url":"https://git.kernel.org/stable/c/29b95ac917927ce9f95bf38797e16333ecb489b1"}],"title":"io_uring: prevent reg-wait speculations","x_generator":{"engine":"bippy-1.2.0"}}}}