Vulnerability identifier: #VU92312

Vulnerability risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-38588

CWE-ID: CWE-416

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the lookup_rec(), ftrace_location_range(), ftrace_process_locs(), ftrace_release_mod() and ftrace_free_mem() functions in kernel/trace/ftrace.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/dbff5f0bfb2416b8b55c105ddbcd4f885e98fada
http://git.kernel.org/stable/c/7b4881da5b19f65709f5c18c1a4d8caa2e496461
http://git.kernel.org/stable/c/66df065b3106964e667b37bf8f7e55ec69d0c1f6
http://git.kernel.org/stable/c/31310e373f4c8c74e029d4326b283e757edabc0b
http://git.kernel.org/stable/c/e60b613df8b6253def41215402f72986fee3fc8d

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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.