Use-after-free in Linux kernel - CVE-2024-35864
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90149
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-35864
CWE-ID: CWE-416
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the smb2_is_valid_lease_break() function in fs/smb/client/smb2misc.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/c868cabdf6fdd61bea54532271f4708254e57fc5
- https://git.kernel.org/stable/c/f92739fdd4522c4291277136399353d7c341fae4
- https://git.kernel.org/stable/c/a8344e2b69bde63f713b0aa796d70dbeadffddfb
- https://git.kernel.org/stable/c/705c76fbf726c7a2f6ff9143d4013b18daaaebf1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.5