Vulnerability identifier: #VU70487

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/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-2022-3707

CWE-ID: CWE-415

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor:

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the intel_gvt_dma_map_guest_page() function in Intel GVT-g graphics driver. A local user can trigger a double free error and crash the kernel.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2137979
http://lore.kernel.org/all/20221007013708.1946061-1-zyytlz.wz@163.com/

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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.