#VU101230 Double free in Linux kernel - CVE-2024-53140

Vulnerability identifier: #VU101230

Vulnerability risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2024-53140

CWE-ID: CWE-415

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.6 - 6.6.62

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External links
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

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?