#VU102051 Use-after-free in Linux kernel - CVE-2024-53185

Vulnerability identifier: #VU102051

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-2024-53185

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 local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the SMB2_negotiate() function in fs/smb/client/smb2pdu.c. A local user can escalate privileges on the system.

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/22127c1dc04364cda3da812161e70921e6c3c0af
https://git.kernel.org/stable/c/46f8e25926817272ec8d5bfbd003569bdeb9a8c8
https://git.kernel.org/stable/c/4bdec0d1f658f7c98749bd2c5a486e6cfa8565d2
https://git.kernel.org/stable/c/9b8904b53b5ace0519c74cd89fc3ca763f3856d4

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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.