SB20260626112 - Use-after-free in Linux kernel marvell mvpp2 driver



SB20260626112 - Use-after-free in Linux kernel marvell mvpp2 driver

Published: June 26, 2026

Security Bulletin ID SB20260626112
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use-after-free (CVE-ID: CVE-2026-53215)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to cause a denial of service.

The vulnerability exists due to a use-after-free in the mvpp2 RX buffer handling in drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c when processing received packets through XDP or skb paths. A local attacker can trigger packet processing that returns a retired buffer to the BM pool to cause a denial of service.

Hardware may DMA into memory that is no longer owned by the RX ring after the buffer has been recycled, redirected, queued for XDP_TX, or freed.


Remediation

Install update from vendor's website.