{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49709","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T02:21:30.444Z","datePublished":"2025-02-26T02:24:26.817Z","dateUpdated":"2025-05-04T08:43:49.213Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:43:49.213Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncfi: Fix __cfi_slowpath_diag RCU usage with cpuidle\n\nRCU_NONIDLE usage during __cfi_slowpath_diag can result in an invalid\nRCU state in the cpuidle code path:\n\n  WARNING: CPU: 1 PID: 0 at kernel/rcu/tree.c:613 rcu_eqs_enter+0xe4/0x138\n  ...\n  Call trace:\n    rcu_eqs_enter+0xe4/0x138\n    rcu_idle_enter+0xa8/0x100\n    cpuidle_enter_state+0x154/0x3a8\n    cpuidle_enter+0x3c/0x58\n    do_idle.llvm.6590768638138871020+0x1f4/0x2ec\n    cpu_startup_entry+0x28/0x2c\n    secondary_start_kernel+0x1b8/0x220\n    __secondary_switched+0x94/0x98\n\nInstead, call rcu_irq_enter/exit to wake up RCU only when needed and\ndisable interrupts for the entire CFI shadow/module check when we do."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/cfi.c"],"versions":[{"version":"cf68fffb66d60d96209446bfc4a15291dc5a5d41","lessThan":"75f3a5fa2ad049c85ab5d5ee1ed9cfaa7e62c5ed","status":"affected","versionType":"git"},{"version":"cf68fffb66d60d96209446bfc4a15291dc5a5d41","lessThan":"ca3897f2ac02ceae5e6fa794f83c36f9885b93da","status":"affected","versionType":"git"},{"version":"cf68fffb66d60d96209446bfc4a15291dc5a5d41","lessThan":"57cd6d157eb479f0a8e820fd36b7240845c8a937","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/cfi.c"],"versions":[{"version":"5.13","status":"affected"},{"version":"0","lessThan":"5.13","status":"unaffected","versionType":"semver"},{"version":"5.15.49","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.18.6","lessThanOrEqual":"5.18.*","status":"unaffected","versionType":"semver"},{"version":"5.19","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":"5.13","versionEndExcluding":"5.15.49"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.18.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/75f3a5fa2ad049c85ab5d5ee1ed9cfaa7e62c5ed"},{"url":"https://git.kernel.org/stable/c/ca3897f2ac02ceae5e6fa794f83c36f9885b93da"},{"url":"https://git.kernel.org/stable/c/57cd6d157eb479f0a8e820fd36b7240845c8a937"}],"title":"cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle","x_generator":{"engine":"bippy-1.2.0"}}}}