This security bulletin contains information about 2 vulnerabilities.
EUVDB-ID: #VU84372
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-6377
CWE-ID: CWE-787 - Out-of-bounds write
Exploit availability: No
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in the XKB button handler when switching logical input devices. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 8.6
Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 8.6
Red Hat Enterprise Linux Server - TUS: 8.6
Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 8.6
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 8.6
Red Hat Enterprise Linux Server - AUS: 8.6
Red Hat Enterprise Linux for x86_64 - Extended Update Support: 8.6
tigervnc (Red Hat package): before 1.12.0-6.el8_6.6
External links
http://access.redhat.com/errata/RHSA-2024:0015
Q & A
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