SB20240603196 - Double free in Linux kernel mptcp
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240603196
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) Double free (CVE-ID: CVE-2024-26782)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the mptcp_inet6_sk() and mptcp_sk_clone() functions in net/mptcp/protocol.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/f74362a004225df935863dea6eb7d82daaa5b16e
- https://git.kernel.org/stable/c/4a4eeb6912538c2d0b158e8d11b62d96c1dada4e
- https://git.kernel.org/stable/c/d93fd40c62397326046902a2c5cb75af50882a85
- https://git.kernel.org/stable/c/ce0809ada38dca8d6d41bb57ab40494855c30582
- https://git.kernel.org/stable/c/85933e80d077c9ae2227226beb86c22f464059cc
- https://git.kernel.org/stable/c/10048689def7e40a4405acda16fdc6477d4ecc5c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.212
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.151
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.81
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8