CVE-2024-43877
Summary
In the Linux kernel, the following vulnerability has been resolved: media: pci: ivtv: Add check for DMA map result In case DMA fails, 'dma->SG_length' is 0. This value is later used to access 'dma->SGarray[dma->SG_length - 1]', which will cause out of bounds access. Add check to return early on invalid value. Adjust warnings accordingly. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Impact & exploitability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/24062aa7407091dee3e45a8e8037df437e848718 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/24062aa7407091dee3e45a8e8037df437e848718Patch
- https://git.kernel.org/stable/c/3d8fd92939e21ff0d45100ab208f8124af79402aPatch
- https://git.kernel.org/stable/c/629913d6d79508b166c66e07e4857e20233d85a9Patch
- https://git.kernel.org/stable/c/c766065e8272085ea9c436414b7ddf1f12e7787bPatch
- https://git.kernel.org/stable/c/38f72c7e7c6b55614f9407555fd5ce9d019b0fa4
- https://git.kernel.org/stable/c/81d0664bed91a858c7b50c263954b59d65f1b414
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html