#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: 4.19 - 4.19.323, 5.4 - 5.4.285, 5.10 - 5.10.229, 5.15 - 5.15.171, 6.1 - 6.1.116, 6.6 - 6.6.60, 6.11 - 6.11.7

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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
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.324
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.230
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.172
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.286
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.117
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.8
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.61

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?