#VU93805 Buffer overflow in Linux kernel - CVE-2024-26920

Vulnerability identifier: #VU93805

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-2024-26920

CWE-ID: CWE-119

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 corruption within the register_snapshot_trigger() function in kernel/trace/trace_events_trigger.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.10 - 5.10.215

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External links
https://git.kernel.org/stable/c/bcf4a115a5068f3331fafb8c176c1af0da3d8b19
https://git.kernel.org/stable/c/8ffd5590f4d6ef5460acbeac7fbdff7025f9b419
https://git.kernel.org/stable/c/56cfbe60710772916a5ba092c99542332b48e870
https://git.kernel.org/stable/c/b5085b5ac1d96ea2a8a6240f869655176ce44197
https://git.kernel.org/stable/c/36be97e9eb535fe3008a5cb040b1e56f29f2e398
https://git.kernel.org/stable/c/6022c065c9ec465d84cebff8f480db083e4ee06b
https://git.kernel.org/stable/c/4b001ef14baab16b553a002cb9979e31b8fc0c6b
https://git.kernel.org/stable/c/0958b33ef5a04ed91f61cef4760ac412080c4e08
https://git.kernel.org/stable/c/2a3073d58382157ab396734ed4e421ba9e969db1
https://git.kernel.org/stable/c/34925d01baf3ee62ab21c21efd9e2c44c24c004a
https://git.kernel.org/stable/c/2450a69d2ee75d1f0112d509ac82ef98f5ad6b5f
https://git.kernel.org/stable/c/26ebeffff238488466fa578be3b35b8a46e69906
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.216

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?