#VU98863 Memory leak in Linux kernel - CVE-2024-47719

Vulnerability identifier: #VU98863

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-2024-47719

CWE-ID: CWE-401

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 memory leak within the iopt_alloc_iova() function in drivers/iommu/iommufd/io_pagetable.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/cd6dd564ae7d99967ef50078216929418160b30e
https://git.kernel.org/stable/c/a6e9f9fd14772c0b23c6d1d7002d98f9d27cb1f6
https://git.kernel.org/stable/c/72b78287ce92802e8ba678181a34b84ae844a112
https://git.kernel.org/stable/c/8f6887349b2f829a4121c518aeb064fc922714e4

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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.