#VU100190 Double free in Linux kernel - CVE-2024-50215

Vulnerability identifier: #VU100190

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-2024-50215

CWE-ID: CWE-415

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 a double free error within the nvmet_setup_dhgroup() function in drivers/nvme/target/auth.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/c94e965f766321641ec38e4eece9ce8884543244
https://git.kernel.org/stable/c/c60af16e1d6cc2237d58336546d6adfc067b6b8f
https://git.kernel.org/stable/c/e61bd51e44409495d75847e9230736593e4c8710
https://git.kernel.org/stable/c/d2f551b1f72b4c508ab9298419f6feadc3b5d791

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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.