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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2021-47137
HistoryMar 25, 2024 - 9:15 a.m.

CVE-2021-47137

2024-03-2509:15:08
Debian Security Bug Tracker
security-tracker.debian.org
5
cve-2021-47137
memory corruption
dma mapping
rx ring
linux kernel
patch
vulnerability
unix

7.2 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

In the Linux kernel, the following vulnerability has been resolved: net: lantiq: fix memory corruption in RX ring In a situation where memory allocation or dma mapping fails, an invalid address is programmed into the descriptor. This can lead to memory corruption. If the memory allocation fails, DMA should reuse the previous skb and mapping and drop the packet. This patch also increments rx drop counter.

7.2 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

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