PT-2024-10467 · Linux+5 · Linux Kernel+5
Song Shuai
·
Published
2024-07-30
·
Updated
2025-09-29
·
CVE-2024-42140
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to a deadlock in the kexec crash path of the Linux kernel's riscv component. When the kexec crash code is called in the interrupt context, the
machine kexec mask interrupts() function may trigger a deadlock while trying to acquire the irqdesc spinlock and then deactivate irqchip in the irq set irqchip state() function. This is because, unlike arm64, riscv only requires the irq eoi handler to complete EOI, and keeping irq set irqchip state() will only leave this possible deadlock without any use. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Improper Locking
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Linuxmint
Linux Kernel
Red Os
Ubuntu