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CVE-2024-42127

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CVE-2024-42127

Published: Jul 30, 2024

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
a1d2a6339961efc078208dc3b2f006e9e9a8e119 - < 0d60c43df59ef01c08dc7b0c45495178f9d05a13
affected
a1d2a6339961efc078208dc3b2f006e9e9a8e119 - < 25d0d9b83d855cbc5d5aa5ae3cd79d55ea0c84a8
affected
a1d2a6339961efc078208dc3b2f006e9e9a8e119 - < 17fe8b75aaf0bb1bdc31368963446b421c22d0af
affected
a1d2a6339961efc078208dc3b2f006e9e9a8e119 - < 0a487e977cb8897ae4c51ecd34bbaa2b005266c9
affected
a1d2a6339961efc078208dc3b2f006e9e9a8e119 - < 04d531b9a1875846d4f89953b469ad463aa7a770

+2 more versions

Linux

Linux

affected
5.2
unaffected
0 - < 5.2
unaffected
5.4.280 - <= 5.4.*
unaffected
5.10.222 - <= 5.10.*
unaffected
5.15.163 - <= 5.15.*

+4 more versions

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