CVE-2024-52557: drm: zynqmp_dp: Fix integer overflow in zynqmp_dp_rate_get()

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: 2025-02-27 · updated 2026-06-17
Weakness: CWE-190

Description

In the Linux kernel, the following vulnerability has been resolved: drm: zynqmp_dp: Fix integer overflow in zynqmp_dp_rate_get() This patch fixes a potential integer overflow in the zynqmp_dp_rate_get() The issue comes up when the expression drm_dp_bw_code_to_link_rate(dp->test.bw_code) * 10000 is evaluated using 32-bit Now the constant is a compatible 64-bit type. Resolves coverity issues: CID 1636340 and CID 1635811

Affected products

Linux kernel: from 6.13 before 6.13.4 — fixed in 6.13.4

How to fix

Upgrade to a fixed version: Linux kernel 6.13.4. Check the vendor advisory for mitigations.

References

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