CVE-2021-47137CWE-770denial-of-service

CVE-2021-47137

Critical · published March 25, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
48.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00602 · 48.1th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2024-03-25T13:15Z
Affected products (6)
ProductVersionsFixed in
linux/linux_kernel≥ 4.20, < 5.4.1245.4.124
linux/linux_kernel≥ 5.5, < 5.10.425.10.42
linux/linux_kernel≥ 5.11, < 5.12.95.12.9
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (8)
EPSS history
Timeline
  • 25 MAR 09:07Z
    net: lantiq: fix memory corruption in RX ring
    cvelistv5