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CVE-2024-42127 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: drm/lima: fix shared irq handling on driver remove lima uses a shared interrupt, so the interrupt handlers must be prepared to be called at any time. At driver removal time, the clocks are disabled early and the interrupts stay registered until the very end of the remove process due to the devm usage. This is potentially a bug as the interrupts access device registers which assumes clocks are enabled. A crash can be triggered by removing the driver in a kernel with CONFIG_DEBUG_SHIRQ enabled. This patch frees the interrupts at each lima device finishing callback so that the handlers are already unregistered by the time we fully disable clocks.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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Hyperlink Resource
https://git.kernel.org/stable/c/04d531b9a1875846d4f89953b469ad463aa7a770
https://git.kernel.org/stable/c/0a487e977cb8897ae4c51ecd34bbaa2b005266c9
https://git.kernel.org/stable/c/0d60c43df59ef01c08dc7b0c45495178f9d05a13
https://git.kernel.org/stable/c/17fe8b75aaf0bb1bdc31368963446b421c22d0af
https://git.kernel.org/stable/c/25d0d9b83d855cbc5d5aa5ae3cd79d55ea0c84a8
https://git.kernel.org/stable/c/a6683c690bbfd1f371510cb051e8fa49507f3f5e
https://git.kernel.org/stable/c/b5daf9217a50636a969bc1965f827878aeb09ffe

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-42127
NVD Published Date:
07/30/2024
NVD Last Modified:
07/30/2024
Source:
kernel.org