Fedora 36 update for kernel, kernel-headers, kernel-tools



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-29968
CWE-ID CWE-665
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Fedora
Operating systems & Components / Operating system

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

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

kernel
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Initialization

EUVDB-ID: #VU64091

Risk: Low

CVSSv4.0: 7.1 [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:P/U:Clear]

CVE-ID: CVE-2022-29968

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to io_uring subsystem in the Linux kernel does not properly initialize data in some situations. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 36

kernel-tools: before 5.17.6-300.fc36

kernel-headers: before 5.17.6-300.fc36

kernel: before 5.17.6-300.fc36

CPE2.3 External links

http://bodhi.fedoraproject.org/updates/FEDORA-2022-e9378a3573


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. However, proof of concept for this vulnerability is available.



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