What’s Vulnerable › Vulnerabilities

CVE-2023-52857: drm/mediatek: Fix coverity issue with unintentional integer overflow

• Severity: medium (CVSS 5.5 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: 2024-05-21 · updated 2026-06-17
• Weakness: CWE-190

Description

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fix coverity issue with unintentional integer overflow 1. Instead of multiplying 2 variable of different types. Change to assign a value of one variable and then multiply the other variable. 2. Add a int variable for multiplier calculation instead of calculating different types multiplier with dma_addr_t variable directly.

Affected products

• Linux kernel: from 5.13.12 before 6.5.12; from 6.6 before 6.6.2 — fixed in 6.5.12, 6.6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.5.12, 6.6.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0d8a1df39d3fc34560e2cc663b5c340d06a25396
• https://git.kernel.org/stable/c/96312a251d4dcee5d36e32edba3002bfde0ddd9c
• https://git.kernel.org/stable/c/a12bd675100531f9fb4508fd4430dd1632325a0e
• https://git.kernel.org/stable/c/b0b0d811eac6b4c52cb9ad632fa6384cf48869e7
• https://git.kernel.org/stable/c/0d8a1df39d3fc34560e2cc663b5c340d06a25396
• https://git.kernel.org/stable/c/96312a251d4dcee5d36e32edba3002bfde0ddd9c
• https://git.kernel.org/stable/c/b0b0d811eac6b4c52cb9ad632fa6384cf48869e7
• https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

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