SB20250502151 - Use-after-free in Linux kernel net sctp

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Main Vulnerability Database SB20250502151

SB20250502151 - Use-after-free in Linux kernel net sctp

Published: May 2, 2025 Updated: May 10, 2025

Security Bulletin ID SB20250502151
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2025-23142)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the sctp_transport_free() function in net/sctp/transport.c, within the sctp_writeable(), sctp_sendmsg_to_asoc(), sctp_sock_rfree() and sctp_wait_for_sndbuf() functions in net/sctp/socket.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References