SB2025070407 - Memory leak in Linux kernel net

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Main Vulnerability Database SB2025070407

SB2025070407 - Memory leak in Linux kernel net

Published: July 4, 2025

Security Bulletin ID SB2025070407
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) Memory leak (CVE-ID: CVE-2025-38097)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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 user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the __xfrm_state_delete() function in net/xfrm/xfrm_state.c, within the esp_ssg_unref(), esp6_find_tcp_sk(), esp_output_tcp_finish() and esp6_output_tcp_encap() functions in net/ipv6/esp6.c, within the esp_ssg_unref(), esp_find_tcp_sk(), esp_output_tcp_finish() and esp_output_tcp_encap() functions in net/ipv4/esp4.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References