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THREATINT
PUBLISHED

CVE-2024-49920

drm/amd/display: Check null pointers before multiple uses



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

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check null pointers before multiple uses [WHAT & HOW] Poniters, such as stream_enc and dc->bw_vbios, are null checked previously in the same function, so Coverity warns "implies that stream_enc and dc->bw_vbios might be null". They are used multiple times in the subsequent code and need to be checked. This fixes 10 FORWARD_NULL issues reported by Coverity.

Product status

Default status
unaffected

1da177e4c3f4 before 26787fb6c2b2
affected

1da177e4c3f4 before fdd5ecbbff75
affected

Default status
affected

6.11.3
unaffected

6.12-rc1
unaffected

References

https://git.kernel.org/stable/c/26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27

https://git.kernel.org/stable/c/fdd5ecbbff751c3b9061d8ebb08e5c96119915b4

cve.org CVE-2024-49920

nvd.nist.gov CVE-2024-49920

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