CVE-2024-57949 - Linux kernel GIC-v3-its Infinite Recursion Vulnerability

CVE-2024-57949 - Linux kernel GIC-v3-its Infinite Recursion Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Sun, 02/09/2025 - 15:14
CVE ID : CVE-2024-57949
Published : Feb. 9, 2025, 12:15 p.m. | 1 hour ago
Description : In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Don't enable interrupts in its_irq_set_vcpu_affinity() The following call-chain leads to enabling interrupts in a nested interrupt disabled section: irq_set_vcpu_affinity() irq_get_desc_lock() raw_spin_lock_irqsave() <--- Disable interrupts its_irq_set_vcpu_affinity() guard(raw_spinlock_irq) <--- Enables interrupts when leaving the guard() irq_put_desc_unlock() <--- Warns because interrupts are enabled This was broken in commit b97e8a2f7130, which replaced the original raw_spin_[un]lock() pair with guard(raw_spinlock_irq). Fix the issue by using guard(raw_spinlock). [ tglx: Massaged change log ]
Severity: 0.0 | NA
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