Riskcovery

CVE-2024-42127

drm/lima: fix shared irq handling on driver remove

State
Published
Severity
Not scored
Published
Jul 30, 2024
Updated
May 11, 2026
Reserved
Jul 29, 2024

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • a1d2a6339961efc078208dc3b2f006e9e9a8e119 to before 0d60c43df59ef01c08dc7b0c45495178f9d05a13Affected
  • a1d2a6339961efc078208dc3b2f006e9e9a8e119 to before 25d0d9b83d855cbc5d5aa5ae3cd79d55ea0c84a8Affected
  • a1d2a6339961efc078208dc3b2f006e9e9a8e119 to before 17fe8b75aaf0bb1bdc31368963446b421c22d0afAffected
  • a1d2a6339961efc078208dc3b2f006e9e9a8e119 to before 0a487e977cb8897ae4c51ecd34bbaa2b005266c9Affected
  • a1d2a6339961efc078208dc3b2f006e9e9a8e119 to before 04d531b9a1875846d4f89953b469ad463aa7a770Affected
  • a1d2a6339961efc078208dc3b2f006e9e9a8e119 to before b5daf9217a50636a969bc1965f827878aeb09ffeAffected
  • a1d2a6339961efc078208dc3b2f006e9e9a8e119 to before a6683c690bbfd1f371510cb051e8fa49507f3f5eAffected
LinuxLinux
  • 5.2Affected
  • before 5.2Not affected
  • 5.4.280 through 5.4.*Not affected
  • 5.10.222 through 5.10.*Not affected
  • 5.15.163 through 5.15.*Not affected
  • 6.1.98 through 6.1.*Not affected
  • 6.6.39 through 6.6.*Not affected
  • 6.9.9 through 6.9.*Not affected
  • 6.10 and laterNot affected

References

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