Out-of-bounds write in Linux kernel - CVE-2026-97578

Vulnerability details

The vulnerability allows a local user to compromise confidentiality, integrity, and availability.

The vulnerability exists due to an out-of-bounds write in the tile_info DMA descriptor buffer when processing AV1 tile information. A local user can provide AV1 tile information that causes descriptor writes beyond the tile_info buffer to compromise confidentiality, integrity, and availability.

Affected software

How to mitigate CVE-2026-97578

External References

• https://git.kernel.org/stable/c/6b7a281a815ae7c5e7bb2aad039ffea9bc933157
• https://git.kernel.org/stable/c/7baa7bb1b784c19170df8c99466fa412040eb431
• https://git.kernel.org/stable/c/8f19d869a9f6800547c9ad7ebaf3b94f973dab50
• https://git.kernel.org/stable/c/b84f6533a8ed2fd7b282fc7ab4b8efadc745a89c

Related Security Bulletins

• Out-of-bounds write in Linux kernel platform verisilicon driver