{"id":"CVE-2023-53712","state":"PUBLISHED","title":"ARM: 9317/1: kexec: Make smp stop calls asynchronous","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9317/1: kexec: Make smp stop calls asynchronous\n\nIf a panic is triggered by a hrtimer interrupt all online cpus will be\nnotified and set offline. But as highlighted by commit 19dbdcb8039c\n(\"smp: Warn on function calls from softirq context\") this call should\nnot be made synchronous with disabled interrupts:\n\n softdog: Initiating panic\n Kernel panic - not syncing: Software Watchdog Timer expired\n WARNING: CPU: 1 PID: 0 at kernel/smp.c:753 smp_call_function_many_cond\n   unwind_backtrace:\n     show_stack\n     dump_stack_lvl\n     __warn\n     warn_slowpath_fmt\n     smp_call_function_many_cond\n     smp_call_function\n     crash_smp_send_stop.part.0\n     machine_crash_shutdown\n     __crash_kexec\n     panic\n     softdog_fire\n     __hrtimer_run_queues\n     hrtimer_interrupt\n\nMake the smp call for machine_crash_nonpanic_core() asynchronous.","publishedAt":"2025-10-22T13:23:47.100Z","updatedAt":"2026-05-11T19:50:23.920Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b23065313297e750edd57ab6edfd36224826724e","status":"affected","lessThan":"46870eea5496ff277e86187a49ac5a667cfe60c4","versionType":"git"},{"version":"b23065313297e750edd57ab6edfd36224826724e","status":"affected","lessThan":"ee378f45a70d09b51373ba495d30d99ef12219c1","versionType":"git"},{"version":"b23065313297e750edd57ab6edfd36224826724e","status":"affected","lessThan":"5590ba4560eefbd19a4ed07c7e7c8e4c51ffc628","versionType":"git"},{"version":"b23065313297e750edd57ab6edfd36224826724e","status":"affected","lessThan":"8922ba71c969d2a0c01a94372a71477d879470de","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm/kernel/machine_kexec.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.38","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.38","versionType":"semver"},{"version":"5.15.133","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.55","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.5","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":["arch/arm/kernel/machine_kexec.c"]}],"references":["https://git.kernel.org/stable/c/46870eea5496ff277e86187a49ac5a667cfe60c4","https://git.kernel.org/stable/c/ee378f45a70d09b51373ba495d30d99ef12219c1","https://git.kernel.org/stable/c/5590ba4560eefbd19a4ed07c7e7c8e4c51ffc628","https://git.kernel.org/stable/c/8922ba71c969d2a0c01a94372a71477d879470de"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53712.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53712","state":"PUBLISHED","datePublished":"2025-10-22T13:23:47.100Z","dateUpdated":"2026-05-11T19:50:23.920Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-22T13:21:37.346Z"},"containers":{"cna":{"title":"ARM: 9317/1: kexec: Make smp stop calls asynchronous","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9317/1: kexec: Make smp stop calls asynchronous\n\nIf a panic is triggered by a hrtimer interrupt all online cpus will be\nnotified and set offline. But as highlighted by commit 19dbdcb8039c\n(\"smp: Warn on function calls from softirq context\") this call should\nnot be made synchronous with disabled interrupts:\n\n softdog: Initiating panic\n Kernel panic - not syncing: Software Watchdog Timer expired\n WARNING: CPU: 1 PID: 0 at kernel/smp.c:753 smp_call_function_many_cond\n   unwind_backtrace:\n     show_stack\n     dump_stack_lvl\n     __warn\n     warn_slowpath_fmt\n     smp_call_function_many_cond\n     smp_call_function\n     crash_smp_send_stop.part.0\n     machine_crash_shutdown\n     __crash_kexec\n     panic\n     softdog_fire\n     __hrtimer_run_queues\n     hrtimer_interrupt\n\nMake the smp call for machine_crash_nonpanic_core() asynchronous."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b23065313297e750edd57ab6edfd36224826724e","status":"affected","lessThan":"46870eea5496ff277e86187a49ac5a667cfe60c4","versionType":"git"},{"version":"b23065313297e750edd57ab6edfd36224826724e","status":"affected","lessThan":"ee378f45a70d09b51373ba495d30d99ef12219c1","versionType":"git"},{"version":"b23065313297e750edd57ab6edfd36224826724e","status":"affected","lessThan":"5590ba4560eefbd19a4ed07c7e7c8e4c51ffc628","versionType":"git"},{"version":"b23065313297e750edd57ab6edfd36224826724e","status":"affected","lessThan":"8922ba71c969d2a0c01a94372a71477d879470de","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm/kernel/machine_kexec.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.38","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.38","versionType":"semver"},{"version":"5.15.133","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.55","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.5","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":["arch/arm/kernel/machine_kexec.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/46870eea5496ff277e86187a49ac5a667cfe60c4"},{"url":"https://git.kernel.org/stable/c/ee378f45a70d09b51373ba495d30d99ef12219c1"},{"url":"https://git.kernel.org/stable/c/5590ba4560eefbd19a4ed07c7e7c8e4c51ffc628"},{"url":"https://git.kernel.org/stable/c/8922ba71c969d2a0c01a94372a71477d879470de"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:50:23.920Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"5.15.133"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.1.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.5.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}