#VU99810 Out-of-bounds read in Linux kernel - CVE-2024-50115

Vulnerability identifier: #VU99810

Vulnerability risk: Low

CVSSv4.0: [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-2024-50115

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 nested_svm_get_tdp_pdptr() function in arch/x86/kvm/svm/nested.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/58cb697d80e669c56197f703e188867c8c54c494
http://git.kernel.org/stable/c/6876793907cbe19d42e9edc8c3315a21e06c32ae
http://git.kernel.org/stable/c/2c4adc9b192a0815fe58a62bc0709449416cc884
http://git.kernel.org/stable/c/426682afec71ea3f889b972d038238807b9443e4
http://git.kernel.org/stable/c/f559b2e9c5c5308850544ab59396b7d53cfc67bd

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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.