#VU100193 Use of uninitialized resource in Linux kernel - CVE-2024-50216

Vulnerability identifier: #VU100193

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-2024-50216

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 xfs_filestream_pick_ag() and !() functions in fs/xfs/xfs_filestream.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

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External links
https://git.kernel.org/stable/c/77ddc732416b017180893cbb2356e9f0a414c575
https://git.kernel.org/stable/c/a023408925acd64db5c8980373fcb3e28ec6fd29
https://git.kernel.org/stable/c/dc60992ce76fbc2f71c2674f435ff6bde2108028

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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.