CVE-2024-49955

Summary

In the Linux kernel, the following vulnerability has been resolved: ACPI: battery: Fix possible crash when unregistering a battery hook When a battery hook returns an error when adding a new battery, then the battery hook is automatically unregistered. However the battery hook provider cannot know that, so it will later call battery_hook_unregister() on the already unregistered battery hook, resulting in a crash. Fix this by using the list head to mark already unregistered battery hooks as already being unregistered so that they can be ignored by battery_hook_unregister().

Impact & exploitability

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://git.kernel.org/stable/c/07b98400cb0285a6348188aa8c5ec6a2ae0551f7 ↗

Additional information

• NVD record
• https://git.kernel.org/stable/c/07b98400cb0285a6348188aa8c5ec6a2ae0551f7Patch
• https://git.kernel.org/stable/c/76959aff14a0012ad6b984ec7686d163deccdc16Patch
• https://git.kernel.org/stable/c/9f469ef1c79dac7f9ac1518643a33703918f7e13Patch
• https://git.kernel.org/stable/c/ca1fb7942a287b40659cc79551a1de54a2c2e7d5Patch
• https://git.kernel.org/stable/c/ca26e8eed9c1c6651f51f7fa38fe444f8573cd1bPatch
• https://git.kernel.org/stable/c/ce31847f109c3a5b2abdd19d7bcaafaacfde53dePatch
• https://git.kernel.org/stable/c/76fb2cbf01571926da8ecf6876cc8cb07d3f5183
• https://git.kernel.org/stable/c/c47843a831e0eae007ad7e848d208e675ba4c132