#VU99084 Use of uninitialized resource in Linux kernel - CVE-2024-49900

Vulnerability identifier: #VU99084

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-2024-49900

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 ea_get() function in fs/jfs/xattr.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/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc
https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d
https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e
https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64
https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73
https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af
https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c

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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.