Red Hat Enterprise Linux 8.2 Telecommunications Update Service update for kernel-rt



Published: 2023-03-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-4378
CWE-ID CWE-121
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		Red Hat Enterprise Linux for Real Time - Telecommunications Update Service
Operating systems & Components / Operating system

kernel-rt (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Stack-based buffer overflow

EUVDB-ID: #VU70442

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-4378

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the __do_proc_dointvec() function. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for Real Time - Telecommunications Update Service: 8.2

kernel-rt (Red Hat package): before 4.18.0-193.100.1.rt13.151.el8_2

CPE2.3 External links

http://access.redhat.com/errata/RHSA-2023:1110


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



###SIDEBAR###