SB20240530153 - Use-after-free in Linux kernel tipc
Published: May 30, 2024 Updated: June 25, 2024
Security Bulletin ID
SB20240530153
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote 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-2024-36886)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a use-after-free error within the tipc_buf_append() function in net/tipc/msg.c when processing fragmented TIPC messages. A remote attacker can send specially crafted packets to the system, trigger a use-after-free error and execute arbitrary code on the system in the context of the kernel.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/e19ec8ab0e25bc4803d7cc91c84e84532e2781bd
- https://git.kernel.org/stable/c/93bc2d6d16f2c3178736ba6b845b30475856dc40
- https://git.kernel.org/stable/c/367766ff9e407f8a68409b7ce4dc4d5a72afeab1
- https://git.kernel.org/stable/c/66116556076f0b96bc1aa9844008c743c8c67684
- https://git.kernel.org/stable/c/21ea04aad8a0839b4ec27ef1691ca480620e8e14
- https://git.kernel.org/stable/c/ffd4917c1edb3c3ff334fce3704fbe9c39f35682
- https://git.kernel.org/stable/c/a0fbb26f8247e326a320e2cb4395bfb234332c90
- https://git.kernel.org/stable/c/080cbb890286cd794f1ee788bbc5463e2deb7c2b
- https://www.zerodayinitiative.com/advisories/ZDI-24-821/