{"id":"CVE-2024-56583","state":"PUBLISHED","title":"sched/deadline: Fix warning in migrate_enable for boosted tasks","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsched/deadline: Fix warning in migrate_enable for boosted tasks\n\nWhen running the following command:\n\nwhile true; do\n    stress-ng --cyclic 30 --timeout 30s --minimize --quiet\ndone\n\na warning is eventually triggered:\n\nWARNING: CPU: 43 PID: 2848 at kernel/sched/deadline.c:794\nsetup_new_dl_entity+0x13e/0x180\n...\nCall Trace:\n <TASK>\n ? show_trace_log_lvl+0x1c4/0x2df\n ? enqueue_dl_entity+0x631/0x6e0\n ? setup_new_dl_entity+0x13e/0x180\n ? __warn+0x7e/0xd0\n ? report_bug+0x11a/0x1a0\n ? handle_bug+0x3c/0x70\n ? exc_invalid_op+0x14/0x70\n ? asm_exc_invalid_op+0x16/0x20\n enqueue_dl_entity+0x631/0x6e0\n enqueue_task_dl+0x7d/0x120\n __do_set_cpus_allowed+0xe3/0x280\n __set_cpus_allowed_ptr_locked+0x140/0x1d0\n __set_cpus_allowed_ptr+0x54/0xa0\n migrate_enable+0x7e/0x150\n rt_spin_unlock+0x1c/0x90\n group_send_sig_info+0xf7/0x1a0\n ? kill_pid_info+0x1f/0x1d0\n kill_pid_info+0x78/0x1d0\n kill_proc_info+0x5b/0x110\n __x64_sys_kill+0x93/0xc0\n do_syscall_64+0x5c/0xf0\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n RIP: 0033:0x7f0dab31f92b\n\nThis warning occurs because set_cpus_allowed dequeues and enqueues tasks\nwith the ENQUEUE_RESTORE flag set. If the task is boosted, the warning\nis triggered. A boosted task already had its parameters set by\nrt_mutex_setprio, and a new call to setup_new_dl_entity is unnecessary,\nhence the WARN_ON call.\n\nCheck if we are requeueing a boosted task and avoid calling\nsetup_new_dl_entity if that's the case.","publishedAt":"2024-12-27T14:50:51.781Z","updatedAt":"2026-10-30T12:20:20.293Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"295d6d5e373607729bcc8182c25afe964655714f","status":"affected","lessThan":"6923c1b117a93477c392a1d46da73ef40987a091","versionType":"git"},{"version":"295d6d5e373607729bcc8182c25afe964655714f","status":"affected","lessThan":"b600d30402854415aa57548a6b53dc6478f65517","versionType":"git"},{"version":"295d6d5e373607729bcc8182c25afe964655714f","status":"affected","lessThan":"e41074904d9ed3fe582d6e544c77b40c22043c82","versionType":"git"},{"version":"295d6d5e373607729bcc8182c25afe964655714f","status":"affected","lessThan":"0664e2c311b9fa43b33e3e81429cd0c2d7f9c638","versionType":"git"},{"version":"fd8cb2e71cdd8e814cbdadddd0d0e6e3d49eaa2c","status":"affected","versionType":"git"},{"version":"4.14.70","status":"affected","lessThan":"4.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/sched/deadline.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.66","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.5","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/sched/deadline.c"]}],"references":["https://git.kernel.org/stable/c/6923c1b117a93477c392a1d46da73ef40987a091","https://git.kernel.org/stable/c/b600d30402854415aa57548a6b53dc6478f65517","https://git.kernel.org/stable/c/e41074904d9ed3fe582d6e544c77b40c22043c82","https://git.kernel.org/stable/c/0664e2c311b9fa43b33e3e81429cd0c2d7f9c638"],"weaknesses":[],"ingestedAt":"2026-10-30T12:36:04.432Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/56xxx/CVE-2024-56583.json","commit":"db8103c5921aac81d5d90efcf3745980dafabf49","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-56583","state":"PUBLISHED","datePublished":"2024-12-27T14:50:51.781Z","dateUpdated":"2026-10-30T12:20:20.293Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-27T14:03:06.001Z"},"containers":{"cna":{"title":"sched/deadline: Fix warning in migrate_enable for boosted tasks","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsched/deadline: Fix warning in migrate_enable for boosted tasks\n\nWhen running the following command:\n\nwhile true; do\n    stress-ng --cyclic 30 --timeout 30s --minimize --quiet\ndone\n\na warning is eventually triggered:\n\nWARNING: CPU: 43 PID: 2848 at kernel/sched/deadline.c:794\nsetup_new_dl_entity+0x13e/0x180\n...\nCall Trace:\n <TASK>\n ? show_trace_log_lvl+0x1c4/0x2df\n ? enqueue_dl_entity+0x631/0x6e0\n ? setup_new_dl_entity+0x13e/0x180\n ? __warn+0x7e/0xd0\n ? report_bug+0x11a/0x1a0\n ? handle_bug+0x3c/0x70\n ? exc_invalid_op+0x14/0x70\n ? asm_exc_invalid_op+0x16/0x20\n enqueue_dl_entity+0x631/0x6e0\n enqueue_task_dl+0x7d/0x120\n __do_set_cpus_allowed+0xe3/0x280\n __set_cpus_allowed_ptr_locked+0x140/0x1d0\n __set_cpus_allowed_ptr+0x54/0xa0\n migrate_enable+0x7e/0x150\n rt_spin_unlock+0x1c/0x90\n group_send_sig_info+0xf7/0x1a0\n ? kill_pid_info+0x1f/0x1d0\n kill_pid_info+0x78/0x1d0\n kill_proc_info+0x5b/0x110\n __x64_sys_kill+0x93/0xc0\n do_syscall_64+0x5c/0xf0\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n RIP: 0033:0x7f0dab31f92b\n\nThis warning occurs because set_cpus_allowed dequeues and enqueues tasks\nwith the ENQUEUE_RESTORE flag set. If the task is boosted, the warning\nis triggered. A boosted task already had its parameters set by\nrt_mutex_setprio, and a new call to setup_new_dl_entity is unnecessary,\nhence the WARN_ON call.\n\nCheck if we are requeueing a boosted task and avoid calling\nsetup_new_dl_entity if that's the case."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"295d6d5e373607729bcc8182c25afe964655714f","status":"affected","lessThan":"6923c1b117a93477c392a1d46da73ef40987a091","versionType":"git"},{"version":"295d6d5e373607729bcc8182c25afe964655714f","status":"affected","lessThan":"b600d30402854415aa57548a6b53dc6478f65517","versionType":"git"},{"version":"295d6d5e373607729bcc8182c25afe964655714f","status":"affected","lessThan":"e41074904d9ed3fe582d6e544c77b40c22043c82","versionType":"git"},{"version":"295d6d5e373607729bcc8182c25afe964655714f","status":"affected","lessThan":"0664e2c311b9fa43b33e3e81429cd0c2d7f9c638","versionType":"git"},{"version":"fd8cb2e71cdd8e814cbdadddd0d0e6e3d49eaa2c","status":"affected","versionType":"git"},{"version":"4.14.70","status":"affected","lessThan":"4.15","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/sched/deadline.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.66","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.5","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/sched/deadline.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6923c1b117a93477c392a1d46da73ef40987a091"},{"url":"https://git.kernel.org/stable/c/b600d30402854415aa57548a6b53dc6478f65517"},{"url":"https://git.kernel.org/stable/c/e41074904d9ed3fe582d6e544c77b40c22043c82"},{"url":"https://git.kernel.org/stable/c/0664e2c311b9fa43b33e3e81429cd0c2d7f9c638"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:20:20.293Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.6.66"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.12.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.70"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}