Vulnerability CVE-2024-38637
Published: 2024-06-21

Description:
In the Linux kernel, the following vulnerability has been resolved:

greybus: lights: check return of get_channel_from_mode

If channel for the given node is not found we return null from
get_channel_from_mode. Make sure we validate the return pointer
before using it in two of the missing places.

This was originally reported in [0]:
Found by Linux Verification Center (linuxtesting.org) with SVACE.

[0] https://lore.kernel.org/all/20240301190425.120605-1-m.lobanov@rosalinux.ru

 References:
https://git.kernel.org/stable/c/8f4a76d477f0cc3c54d512f07f6f88c8e1c1e07b
https://git.kernel.org/stable/c/e2c64246e5dc8c0d35ec41770b85e2b4cafdff21
https://git.kernel.org/stable/c/eac10cf3a97ffd4b4deb0a29f57c118225a42850
https://git.kernel.org/stable/c/330f6bcdcef03f70f81db5f2ed6747af656a09f2
https://git.kernel.org/stable/c/9b41a9b9c8be8c552f10633453fdb509e83b66f8
https://git.kernel.org/stable/c/518e2c46b5dbce40b1aa0100001d03c3ceaa7d38
https://git.kernel.org/stable/c/895cdd9aa9546523df839f9cc1488a0ecc1e0731
https://git.kernel.org/stable/c/a1ba19a1ae7cd1e324685ded4ab563e78fe68648
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