#VU100622 Out-of-bounds read in Linux kernel - CVE-2024-50301

Vulnerability identifier: #VU100622

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-2024-50301

CWE-ID: CWE-125

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 an out-of-bounds read error within the security/keys/keyring.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/c3ce634ad953ce48c75c39bdfd8b711dd95f346f
https://git.kernel.org/stable/c/4efb69a0e294ef201bcdf7ce3d6202cd0a545a5d
https://git.kernel.org/stable/c/1e4332581cd4eed75aea77af6f66cdcdda8b49b9
https://git.kernel.org/stable/c/199c20fb7499c79557a075dc24e9a7dae7d9f1ce
https://git.kernel.org/stable/c/bbad2d5b6c99db468d8f88b6ba6a56ed409b4881
https://git.kernel.org/stable/c/3e79ad156bedf2da0ab909a118d2cec6c9c22b79
https://git.kernel.org/stable/c/e0a317ad68e4ea48a0158187238c5407e4fdec8b
https://git.kernel.org/stable/c/4a74da044ec9ec8679e6beccc4306b936b62873f

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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.