#VU97492 Use-after-free in Linux kernel - CVE-2024-46740

Vulnerability identifier: #VU97492

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-2024-46740

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 binder_transaction() function in drivers/android/binder.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/5a32bfd23022ffa7e152f273fa3fa29befb7d929
https://git.kernel.org/stable/c/3a8154bb4ab4a01390a3abf1e6afac296e037da4
https://git.kernel.org/stable/c/eef79854a04feac5b861f94d7b19cbbe79874117
https://git.kernel.org/stable/c/4f79e0b80dc69bd5eaaed70f0df1b558728b4e59
https://git.kernel.org/stable/c/1f33d9f1d9ac3f0129f8508925000900c2fe5bb0
https://git.kernel.org/stable/c/109e845c1184c9f786d41516348ba3efd9112792
https://git.kernel.org/stable/c/4df153652cc46545722879415937582028c18af5

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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.