SB2025072924 - Use-after-free in Linux kernel ipv6
Published: July 29, 2025
Security Bulletin ID
SB2025072924
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-38476)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the rpl_do_srh_inline() function in net/ipv6/rpl_iptunnel.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/034b428aa3583373a5a20b1c5931bb2b3cae1f36
- https://git.kernel.org/stable/c/06ec83b6c792fde1f710c1de3e836da6e257c4c4
- https://git.kernel.org/stable/c/62dcd9d6e61c39122d2f251a26829e2e55b0a11d
- https://git.kernel.org/stable/c/b640daa2822a39ff76e70200cb2b7b892b896dce
- https://git.kernel.org/stable/c/e8101506ab86dd78f823b7028f2036a380f3a12a