Fedora 40 update for bpftool, kernel, kernel-headers



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-50067
CWE-ID CWE-416
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

kernel-headers
Operating systems & Components / Operating system package or component

kernel
Operating systems & Components / Operating system package or component

bpftool
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU99434

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-50067

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

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 uprobe_buffer_init(), prepare_uprobe_buffer() and __uprobe_trace_func() functions in kernel/trace/trace_uprobe.c. A local user can escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 40

kernel-headers: before 6.12.4-100.fc40

kernel: before 6.12.4-100.fc40

bpftool: before 7.5.0-1.fc40

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2024-811cffc4ef


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.



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