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THREATINT
PUBLISHED

CVE-2024-49955

ACPI: battery: Fix possible crash when unregistering a battery hook



AssignerLinux
Reserved2024-10-21
Published2024-10-21
Updated2024-10-22

Description

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().

Product status

Default status
unaffected

fa93854f7a7e before da964de4c181
affected

fa93854f7a7e before 07b98400cb02
affected

fa93854f7a7e before ca1fb7942a28
affected

fa93854f7a7e before ce31847f109c
affected

fa93854f7a7e before ca26e8eed9c1
affected

fa93854f7a7e before 9f469ef1c79d
affected

fa93854f7a7e before 76959aff14a0
affected

Default status
affected

4.17
affected

Any version before 4.17
unaffected

5.10.227
unaffected

5.15.168
unaffected

6.1.113
unaffected

6.6.55
unaffected

6.10.14
unaffected

6.11.3
unaffected

6.12-rc2
unaffected

References

https://git.kernel.org/stable/c/da964de4c18199e14b961b5b2e5e6570552a313c

https://git.kernel.org/stable/c/07b98400cb0285a6348188aa8c5ec6a2ae0551f7

https://git.kernel.org/stable/c/ca1fb7942a287b40659cc79551a1de54a2c2e7d5

https://git.kernel.org/stable/c/ce31847f109c3a5b2abdd19d7bcaafaacfde53de

https://git.kernel.org/stable/c/ca26e8eed9c1c6651f51f7fa38fe444f8573cd1b

https://git.kernel.org/stable/c/9f469ef1c79dac7f9ac1518643a33703918f7e13

https://git.kernel.org/stable/c/76959aff14a0012ad6b984ec7686d163deccdc16

cve.org CVE-2024-49955

nvd.nist.gov CVE-2024-49955

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