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CVE-2021-47137

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CVE-2021-47137

Published: Mar 25, 2024

Modified: May 11, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
fe1a56420cf2ec28c8eceef672b87de0bbe1a260 - < 8bb1077448d43a871ed667520763e3b9f9b7975d
affected
fe1a56420cf2ec28c8eceef672b87de0bbe1a260 - < 5ac72351655f8b033a2935646f53b7465c903418
affected
fe1a56420cf2ec28c8eceef672b87de0bbe1a260 - < 46dd4abced3cb2c912916f4a5353e0927db0c4a2
affected
fe1a56420cf2ec28c8eceef672b87de0bbe1a260 - < c7718ee96dbc2f9c5fc3b578abdf296dd44b9c20

Linux

Linux

affected
4.20
unaffected
0 - < 4.20
unaffected
5.4.124 - <= 5.4.*
unaffected
5.10.42 - <= 5.10.*
unaffected
5.12.9 - <= 5.12.*

+1 more versions

References

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