#VU89001 Error handling in Linux kernel - CVE-2024-26584

Vulnerability identifier: #VU89001

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-26584

CWE-ID: CWE-388

Exploitation vector: Network

Exploit availability: No

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

Vendor: Linux Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error when handling backlogging of crypto requests in net/tls/tls_sw.c. A remote attacker can send specially crafted traffic to the system and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/8590541473188741055d27b955db0777569438e3
https://git.kernel.org/stable/c/13eca403876bbea3716e82cdfe6f1e6febb38754
https://git.kernel.org/stable/c/ab6397f072e5097f267abf5cb08a8004e6b17694
https://git.kernel.org/stable/c/cd1bbca03f3c1d845ce274c0d0a66de8e5929f72

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.