SB2024120463 - Double free in Linux kernel netlink
Published: December 4, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024120463
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-2024-53140)
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 netlink_skb_set_owner_r(), netlink_sock_destruct(), deferred_put_nlk_sk() and netlink_release() functions in net/netlink/af_netlink.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/176c41b3ca9281a9736b67c6121b03dbf0c8c08f
- https://git.kernel.org/stable/c/1904fb9ebf911441f90a68e96b22aa73e4410505
- https://git.kernel.org/stable/c/4e87a52133284afbd40fb522dbf96e258af52a98
- https://git.kernel.org/stable/c/bbc769d2fa1b8b368c5fbe013b5b096afa3c05ca
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.63