PT-2025-9012 · Linux+6 · Linux Kernel+6
Published
2025-01-08
·
Updated
2026-05-26
·
CVE-2025-21821
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 versions prior to 6.12.7-770 #2
Description
A vulnerability in the Linux kernel has been identified, which can cause the system to crash when using touchscreen and framebuffer on certain devices, such as the Nokia 770. The issue is related to the handling of IRQs and can lead to a scheduling while atomic error. The estimated number of potentially affected devices is not specified.
Recommendations
For Linux kernel version 6.12.7-770 #2 and earlier, switch to a threaded IRQ to provide a stable system. This can be done as a quick fix until a more permanent solution is available.
Exploit
Fix
Buffer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Debian
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu