SB2024120463 - Double free in Linux kernel netlink
Published: December 4, 2024 Updated: May 12, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Double free (CVE-ID: CVE-2024-53140)
CWE-ID: CWE-415 - Double Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
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