CVE-2024-26684: net: stmmac: xgmac: fix handling of DPP safety error for DMA channels

Description

In the Linux kernel, the following vulnerability has been resolved:

net: stmmac: xgmac: fix handling of DPP safety error for DMA channels

Commit 56e58d6c8a56 ("net: stmmac: Implement Safety Features in
XGMAC core") checks and reports safety errors, but leaves the
Data Path Parity Errors for each channel in DMA unhandled at all, lead to
a storm of interrupt.
Fix it by checking and clearing the DMA_DPP_Interrupt_Status register.

Classification

CVE ID: CVE-2024-26684

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 12.41% (scored less or equal to compared to others)

EPSS Date: 2025-02-04 (when was this score calculated)

References

https://git.kernel.org/stable/c/e9837c83befb5b852fa76425dde98a87b737df00
https://git.kernel.org/stable/c/2fc45a4631ac7837a5c497cb4f7e2115d950fc37
https://git.kernel.org/stable/c/6609e98ed82966a1b3168c142aca30f8284a7b89
https://git.kernel.org/stable/c/e42ff0844fe418c7d03a14f9f90e1b91ba119591
https://git.kernel.org/stable/c/7e0ff50131e9d1aa507be8e670d38e9300a5f5bf
https://git.kernel.org/stable/c/3b48c9e258c8691c2f093ee07b1ea3764caaa1b2
https://git.kernel.org/stable/c/46eba193d04f8bd717e525eb4110f3c46c12aec3

Timeline