Vulnerability identifier: #VU90604

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26695

CWE-ID: CWE-476

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 NULL pointer dereference within the EXPORT_SYMBOL_GPL() function in drivers/crypto/ccp/sev-dev.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
http://git.kernel.org/stable/c/58054faf3bd29cd0b949b77efcb6157f66f401ed
http://git.kernel.org/stable/c/7535ec350a5f09b5756a7607f5582913f21200f4
http://git.kernel.org/stable/c/8731fe001a60581794ed9cf65da8cd304846a6fb
http://git.kernel.org/stable/c/88aa493f393d2ee38ac140e1f6ac1881346e85d4
http://git.kernel.org/stable/c/b5909f197f3b26aebedca7d8ac7b688fd993a266
http://git.kernel.org/stable/c/ccb88e9549e7cfd8bcd511c538f437e20026e983

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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.