#VU100061 Use-after-free in Linux kernel - CVE-2024-50153

Vulnerability identifier: #VU100061

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-2024-50153

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 target_alloc_device() function in drivers/target/target_core_device.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/39e02fa90323243187c91bb3e8f2f5f6a9aacfc7
https://git.kernel.org/stable/c/895ab729425ef9bf3b6d2f8d0853abe64896f314
https://git.kernel.org/stable/c/b80e9bc85bd9af378e7eac83e15dd129557bbdb6
https://git.kernel.org/stable/c/14a6a2adb440e4ae97bee73b2360946bd033dadd
https://git.kernel.org/stable/c/fca6caeb4a61d240f031914413fcc69534f6dc03

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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.