Fedora 37 update for kernel



| Updated: 2024-03-22
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-3269
CWE-ID CWE-416
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Fedora
Operating systems & Components / Operating system

kernel
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: #VU78002

Risk: Low

CVSSv4.0: 6.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2023-3269

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

Description

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

The vulnerability exists due to a use-after-free error in the handling of stack expansion within the memory management subsystem in the Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 37

kernel: before 6.3.11-100.fc37

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2023-83d5a4c7ea


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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