#VU90149 Use-after-free in Linux kernel - CVE-2024-35864
Vulnerability identifier: #VU90149
Vulnerability risk: Medium
CVSSv4.0: 4.3 [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: Local network
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: 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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: All versions
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
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
