What’s Vulnerable › Vulnerabilities

CVE-2024-43877: media: pci: ivtv: Add check for DMA map result

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-21 · updated 2026-08-04
• Weakness: CWE-125

Description

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.

Affected products

• Linux kernel: from 5.16 before 6.1.103; from 6.2 before 6.6.44; from 6.7 before 6.10.3 — fixed in 6.1.103, 6.10.3, 6.6.44

How to fix

Upgrade to a fixed version: Linux kernel 6.1.103, 6.10.3, 6.6.44. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/24062aa7407091dee3e45a8e8037df437e848718
• https://git.kernel.org/stable/c/38f72c7e7c6b55614f9407555fd5ce9d019b0fa4
• https://git.kernel.org/stable/c/3d8fd92939e21ff0d45100ab208f8124af79402a
• https://git.kernel.org/stable/c/629913d6d79508b166c66e07e4857e20233d85a9
• https://git.kernel.org/stable/c/81d0664bed91a858c7b50c263954b59d65f1b414
• https://git.kernel.org/stable/c/c766065e8272085ea9c436414b7ddf1f12e7787b
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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