{"id":"CVE-2024-42140","state":"PUBLISHED","title":"riscv: kexec: Avoid deadlock in kexec crash path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: kexec: Avoid deadlock in kexec crash path\n\nIf the kexec crash code is called in the interrupt context, the\nmachine_kexec_mask_interrupts() function will trigger a deadlock while\ntrying to acquire the irqdesc spinlock and then deactivate irqchip in\nirq_set_irqchip_state() function.\n\nUnlike arm64, riscv only requires irq_eoi handler to complete EOI and\nkeeping irq_set_irqchip_state() will only leave this possible deadlock\nwithout any use. So we simply remove it.","publishedAt":"2024-07-30T07:46:34.260Z","updatedAt":"2026-05-23T15:52:21.966Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"12f237200c169a8667cf9dca7a40df8d7917b9fd","status":"affected","lessThan":"bb80a7911218bbab2a69b5db7d2545643ab0073d","versionType":"git"},{"version":"b17d19a5314a37f7197afd1a0200affd21a7227d","status":"affected","lessThan":"653deee48a4682ea17a05b96fb6842795ab5943c","versionType":"git"},{"version":"b17d19a5314a37f7197afd1a0200affd21a7227d","status":"affected","lessThan":"7692c9b6baacdee378435f58f19baf0eb69e4155","versionType":"git"},{"version":"b17d19a5314a37f7197afd1a0200affd21a7227d","status":"affected","lessThan":"484dd545271d02d1571e1c6b62ea7df9dbe5e692","versionType":"git"},{"version":"b17d19a5314a37f7197afd1a0200affd21a7227d","status":"affected","lessThan":"c562ba719df570c986caf0941fea2449150bcbc4","versionType":"git"},{"version":"7594956fec8902dfc18150bf1dca0940cd4ad025","status":"affected","versionType":"git"},{"version":"5.15.82","status":"affected","lessThan":"5.15.163","versionType":"semver"},{"version":"6.0.12","status":"affected","lessThan":"6.1","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/kernel/machine_kexec.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"5.15.163","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.98","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.39","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.9","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/kernel/machine_kexec.c"]}],"references":["https://git.kernel.org/stable/c/bb80a7911218bbab2a69b5db7d2545643ab0073d","https://git.kernel.org/stable/c/653deee48a4682ea17a05b96fb6842795ab5943c","https://git.kernel.org/stable/c/7692c9b6baacdee378435f58f19baf0eb69e4155","https://git.kernel.org/stable/c/484dd545271d02d1571e1c6b62ea7df9dbe5e692","https://git.kernel.org/stable/c/c562ba719df570c986caf0941fea2449150bcbc4","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/42xxx/CVE-2024-42140.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-42140","state":"PUBLISHED","datePublished":"2024-07-30T07:46:34.260Z","dateUpdated":"2026-05-23T15:52:21.966Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-07-29T15:50:41.189Z"},"containers":{"cna":{"title":"riscv: kexec: Avoid deadlock in kexec crash path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: kexec: Avoid deadlock in kexec crash path\n\nIf the kexec crash code is called in the interrupt context, the\nmachine_kexec_mask_interrupts() function will trigger a deadlock while\ntrying to acquire the irqdesc spinlock and then deactivate irqchip in\nirq_set_irqchip_state() function.\n\nUnlike arm64, riscv only requires irq_eoi handler to complete EOI and\nkeeping irq_set_irqchip_state() will only leave this possible deadlock\nwithout any use. So we simply remove it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"12f237200c169a8667cf9dca7a40df8d7917b9fd","status":"affected","lessThan":"bb80a7911218bbab2a69b5db7d2545643ab0073d","versionType":"git"},{"version":"b17d19a5314a37f7197afd1a0200affd21a7227d","status":"affected","lessThan":"653deee48a4682ea17a05b96fb6842795ab5943c","versionType":"git"},{"version":"b17d19a5314a37f7197afd1a0200affd21a7227d","status":"affected","lessThan":"7692c9b6baacdee378435f58f19baf0eb69e4155","versionType":"git"},{"version":"b17d19a5314a37f7197afd1a0200affd21a7227d","status":"affected","lessThan":"484dd545271d02d1571e1c6b62ea7df9dbe5e692","versionType":"git"},{"version":"b17d19a5314a37f7197afd1a0200affd21a7227d","status":"affected","lessThan":"c562ba719df570c986caf0941fea2449150bcbc4","versionType":"git"},{"version":"7594956fec8902dfc18150bf1dca0940cd4ad025","status":"affected","versionType":"git"},{"version":"5.15.82","status":"affected","lessThan":"5.15.163","versionType":"semver"},{"version":"6.0.12","status":"affected","lessThan":"6.1","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/kernel/machine_kexec.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"5.15.163","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.98","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.39","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.9","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/riscv/kernel/machine_kexec.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bb80a7911218bbab2a69b5db7d2545643ab0073d"},{"url":"https://git.kernel.org/stable/c/653deee48a4682ea17a05b96fb6842795ab5943c"},{"url":"https://git.kernel.org/stable/c/7692c9b6baacdee378435f58f19baf0eb69e4155"},{"url":"https://git.kernel.org/stable/c/484dd545271d02d1571e1c6b62ea7df9dbe5e692"},{"url":"https://git.kernel.org/stable/c/c562ba719df570c986caf0941fea2449150bcbc4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:52:21.966Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.82","versionEndExcluding":"5.15.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.98"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.6.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.9.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/bb80a7911218bbab2a69b5db7d2545643ab0073d","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/653deee48a4682ea17a05b96fb6842795ab5943c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7692c9b6baacdee378435f58f19baf0eb69e4155","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/484dd545271d02d1571e1c6b62ea7df9dbe5e692","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c562ba719df570c986caf0941fea2449150bcbc4","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T22:02:08.287Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-42140","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:15:56.730173Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:33:09.207Z"}}]}}}