{"id":"CVE-2024-57939","summary":"riscv: Fix sleeping in invalid context in die()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Fix sleeping in invalid context in die()\n\ndie() can be called in exception handler, and therefore cannot sleep.\nHowever, die() takes spinlock_t which can sleep with PREEMPT_RT enabled.\nThat causes the following warning:\n\nBUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48\nin_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 285, name: mutex\npreempt_count: 110001, expected: 0\nRCU nest depth: 0, expected: 0\nCPU: 0 UID: 0 PID: 285 Comm: mutex Not tainted 6.12.0-rc7-00022-ge19049cf7d56-dirty #234\nHardware name: riscv-virtio,qemu (DT)\nCall Trace:\n    dump_backtrace+0x1c/0x24\n    show_stack+0x2c/0x38\n    dump_stack_lvl+0x5a/0x72\n    dump_stack+0x14/0x1c\n    __might_resched+0x130/0x13a\n    rt_spin_lock+0x2a/0x5c\n    die+0x24/0x112\n    do_trap_insn_illegal+0xa0/0xea\n    _new_vmalloc_restore_context_a0+0xcc/0xd8\nOops - illegal instruction [#1]\n\nSwitch to use raw_spinlock_t, which does not sleep even with PREEMPT_RT\nenabled.","modified":"2026-04-02T12:25:24.757985Z","published":"2025-01-21T12:18:08.433Z","related":["MGASA-2025-0030","MGASA-2025-0032","USN-7379-2","USN-7380-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57939.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/10c24df2e303f517fab0359392c11b6b1d553f2b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6a97f4118ac07cfdc316433f385dbdc12af5025e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/76ab0afcdbe8c9685b589016ee1c0e25fe596707"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8c38baa03ac8e18140faf36a3b955d30cad48e74"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c21df31fc2a4afc02a6e56511364e9e793ea92ec"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f48f060a4b36b5e96628f6c3fb1540f1e8dedb69"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/57xxx/CVE-2024-57939.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-57939"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"76d2a0493a17d4c8ecc781366850c3c4f8e1a446"},{"fixed":"8c38baa03ac8e18140faf36a3b955d30cad48e74"},{"fixed":"10c24df2e303f517fab0359392c11b6b1d553f2b"},{"fixed":"c21df31fc2a4afc02a6e56511364e9e793ea92ec"},{"fixed":"f48f060a4b36b5e96628f6c3fb1540f1e8dedb69"},{"fixed":"76ab0afcdbe8c9685b589016ee1c0e25fe596707"},{"fixed":"6a97f4118ac07cfdc316433f385dbdc12af5025e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-57939.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}