SB2025070407 - Memory leak in Linux kernel net
Published: July 4, 2025
Security Bulletin ID
SB2025070407
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2025-38097)
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
- https://git.kernel.org/stable/c/028363685bd0b7a19b4a820f82dd905b1dc83999
- https://git.kernel.org/stable/c/74fd327767fb784c5875cf7c4ba1217f26020943
- https://git.kernel.org/stable/c/9cbca30102028f9ad3d2098f935c4368f581fd07
- https://git.kernel.org/stable/c/b58a295d10065960bcb9d60cb8ca6ead9837cd27
- https://git.kernel.org/stable/c/e4cde54b46a87231c77256a633be1bef62687d69