cve-2024-49955
Vulnerability from cvelistv5
Published
2024-10-21 18:02
Modified
2024-12-19 09:30
Severity ?
EPSS score ?
0.03% (0.04789)
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().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/07b98400cb0285a6348188aa8c5ec6a2ae0551f7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/76959aff14a0012ad6b984ec7686d163deccdc16Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/76fb2cbf01571926da8ecf6876cc8cb07d3f5183
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9f469ef1c79dac7f9ac1518643a33703918f7e13Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c47843a831e0eae007ad7e848d208e675ba4c132
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ca1fb7942a287b40659cc79551a1de54a2c2e7d5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ca26e8eed9c1c6651f51f7fa38fe444f8573cd1bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ce31847f109c3a5b2abdd19d7bcaafaacfde53dePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/da964de4c18199e14b961b5b2e5e6570552a313cPatch
Impacted products
Vendor Product Version
Linux Linux Version: fa93854f7a7ed63d054405bf3779247d5300edd3
Version: fa93854f7a7ed63d054405bf3779247d5300edd3
Version: fa93854f7a7ed63d054405bf3779247d5300edd3
Version: fa93854f7a7ed63d054405bf3779247d5300edd3
Version: fa93854f7a7ed63d054405bf3779247d5300edd3
Version: fa93854f7a7ed63d054405bf3779247d5300edd3
Version: fa93854f7a7ed63d054405bf3779247d5300edd3
Version: fa93854f7a7ed63d054405bf3779247d5300edd3
Version: fa93854f7a7ed63d054405bf3779247d5300edd3
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   Linux Linux Version: 4.17
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Sin embargo, el proveedor del gancho de batería no puede saberlo, por lo que más tarde llamará a battery_hook_unregister() en el gancho de batería ya anulado, lo que provocará un fallo. 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}


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