CVE-2024-57939 (GCVE-0-2024-57939)

Vulnerability from cvelistv5 – Published: 2025-01-21 12:18 – Updated: 2025-11-03 20:56
VLAI?
Title
riscv: Fix sleeping in invalid context in die()
Summary
In the Linux kernel, the following vulnerability has been resolved: riscv: Fix sleeping in invalid context in die() die() can be called in exception handler, and therefore cannot sleep. However, die() takes spinlock_t which can sleep with PREEMPT_RT enabled. That causes the following warning: BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 285, name: mutex preempt_count: 110001, expected: 0 RCU nest depth: 0, expected: 0 CPU: 0 UID: 0 PID: 285 Comm: mutex Not tainted 6.12.0-rc7-00022-ge19049cf7d56-dirty #234 Hardware name: riscv-virtio,qemu (DT) Call Trace: dump_backtrace+0x1c/0x24 show_stack+0x2c/0x38 dump_stack_lvl+0x5a/0x72 dump_stack+0x14/0x1c __might_resched+0x130/0x13a rt_spin_lock+0x2a/0x5c die+0x24/0x112 do_trap_insn_illegal+0xa0/0xea _new_vmalloc_restore_context_a0+0xcc/0xd8 Oops - illegal instruction [#1] Switch to use raw_spinlock_t, which does not sleep even with PREEMPT_RT enabled.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 76d2a0493a17d4c8ecc781366850c3c4f8e1a446 , < 8c38baa03ac8e18140faf36a3b955d30cad48e74 (git)
Affected: 76d2a0493a17d4c8ecc781366850c3c4f8e1a446 , < 10c24df2e303f517fab0359392c11b6b1d553f2b (git)
Affected: 76d2a0493a17d4c8ecc781366850c3c4f8e1a446 , < c21df31fc2a4afc02a6e56511364e9e793ea92ec (git)
Affected: 76d2a0493a17d4c8ecc781366850c3c4f8e1a446 , < f48f060a4b36b5e96628f6c3fb1540f1e8dedb69 (git)
Affected: 76d2a0493a17d4c8ecc781366850c3c4f8e1a446 , < 76ab0afcdbe8c9685b589016ee1c0e25fe596707 (git)
Affected: 76d2a0493a17d4c8ecc781366850c3c4f8e1a446 , < 6a97f4118ac07cfdc316433f385dbdc12af5025e (git)
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    Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 5.10.234 , ≤ 5.10.* (semver)
Unaffected: 5.15.177 , ≤ 5.15.* (semver)
Unaffected: 6.1.125 , ≤ 6.1.* (semver)
Unaffected: 6.6.72 , ≤ 6.6.* (semver)
Unaffected: 6.12.10 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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