media: chips-media: wave5: Fix Null reference while testing fluster

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Summary

CVECVE-2026-43263
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:47 UTC
Updated2026-05-06 13:07:51 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Fix Null reference while testing fluster When multi instances are created/destroyed, many interrupts happens and structures for decoder are removed. "struct vpu_instance" this structure is shared for all flow in the decoder, so if the structure is not protected by lock, Null dereference could happens sometimes. IRQ Handler was spilt to two phases and Lock was added as well.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 9707a6254a8a6b978bde811a44fe07d86c229d1c ea316b784fe6a61b29131c98cddb24e651b1dcbc git Not specified
CNA Linux Linux affected 9707a6254a8a6b978bde811a44fe07d86c229d1c d12bcf183ec7da4305d848068d15f18044eaf62a git Not specified
CNA Linux Linux affected 9707a6254a8a6b978bde811a44fe07d86c229d1c e66ff2b08e4ee1c4d3b84f24818e5bcc178cc3a4 git Not specified
CNA Linux Linux affected 6.8 Not specified
CNA Linux Linux unaffected 6.8 semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/ea316b784fe6a61b29131c98cddb24e651b1dcbc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e66ff2b08e4ee1c4d3b84f24818e5bcc178cc3a4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d12bcf183ec7da4305d848068d15f18044eaf62a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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