SB2025062047 - NULL pointer dereference in Linux kernel tls
Published: June 20, 2025
Security Bulletin ID
SB2025062047
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) NULL pointer dereference (CVE-ID: CVE-2025-38018)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the tls_strp_read_copy() function in net/tls/tls_strp.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/406d05da26835943568e61bb751c569efae071d4
- https://git.kernel.org/stable/c/491deb9b8c4ad12fe51d554a69b8165b9ef9429f
- https://git.kernel.org/stable/c/5f1f833cb388592bb46104463a1ec1b7c41975b6
- https://git.kernel.org/stable/c/8f7f96549bc55e4ef3a6b499bc5011e5de2f46c4
- https://git.kernel.org/stable/c/a11b8c0be6acd0505a58ff40d474bd778b25b93a