#VU100085 Use of uninitialized resource in Linux kernel - CVE-2024-50164

Vulnerability identifier: #VU100085

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-50164

CWE-ID: CWE-908

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 perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the check_helper_mem_access(), check_mem_size_reg(), check_mem_reg(), check_kfunc_mem_size_reg() and verbose() functions in kernel/bpf/verifier.c. A local user 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/48068ccaea957469f1adf78dfd2c1c9a7e18f0fe
https://git.kernel.org/stable/c/54bc31682660810af1bed7ca7a19f182df8d3df8
https://git.kernel.org/stable/c/8ea607330a39184f51737c6ae706db7fdca7628e

---

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.