PulseLinuxLINUX UPDATE INTELLIGENCE
CVE Database›Document archive›CVE-2021-47137

CVE-2021-47137

kernel: net: lantiq: fix memory corruption in RX ring

Loading…

Severity

Low

Red Hat Product Security

6

CVSS 3.1

Review impact separately from score.

Published · March 25, 2024

Updated · August 5, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

CWE-99 · Improper Control of Resource Identifiers ('Resource Injection')