#VU93453 Improper error handling in Linux kernel - CVE-2024-27025

Vulnerability identifier: #VU93453

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-2024-27025

CWE-ID: CWE-388

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 improper error handling within the nbd_genl_status() function in drivers/block/nbd.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.4 - 5.4.272, 5.10 - 5.10.213, 5.15 - 5.15.152, 6.1 - 6.1.82, 6.6 - 6.6.22, 6.7 - 6.7.10, 6.8 - 6.8.1

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External links
https://git.kernel.org/stable/c/44214d744be32a4769faebba764510888f1eb19e
https://git.kernel.org/stable/c/4af837db0fd3679fabc7b7758397090b0c06dced
https://git.kernel.org/stable/c/98e60b538e66c90b9a856828c71d4e975ebfa797
https://git.kernel.org/stable/c/96436365e5d80d0106ea785a4f80a58e7c9edff8
https://git.kernel.org/stable/c/b7f5aed55829f376e4f7e5ea5b80ccdcb023e983
https://git.kernel.org/stable/c/e803040b368d046434fbc8a91945c690332c4fcf
https://git.kernel.org/stable/c/ba6a9970ce9e284cbc04099361c58731e308596a
https://git.kernel.org/stable/c/31edf4bbe0ba27fd03ac7d87eb2ee3d2a231af6d
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.214
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.153
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.273
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.83
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?