#VU90152 Use-after-free in Linux kernel - CVE-2024-35862

Vulnerability identifier: #VU90152

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-35862

CWE-ID: CWE-416

Exploitation vector: Local

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_network_name_deleted() function in fs/smb/client/smb2ops.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

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External links
https://git.kernel.org/stable/c/f9414004798d9742c1af23a1d839fe6a9503751c
https://git.kernel.org/stable/c/aa582b33f94453fdeaff1e7d0aa252c505975e01
https://git.kernel.org/stable/c/d919b6ea15ffa56fbafef4a1d92f47aeda9af645
https://git.kernel.org/stable/c/63981561ffd2d4987807df4126f96a11e18b0c1d

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.