Bug 1201378 (CVE-2022-2380)

Summary: VUL-0: CVE-2022-2380: kernel-source,kernel-source-rt,kernel-source-azure: sm712fb: out of bounds access in smtcfb_read()
Product: [Novell Products] SUSE Security Incidents Reporter: Carlos López <carlos.lopez>
Component: IncidentsAssignee: Kernel Bugs <kernel-bugs>
Status: RESOLVED WONTFIX QA Contact: Security Team bot <security-team>
Severity: Normal    
Priority: P5 - None CC: mhocko, security-team
Version: unspecified   
Target Milestone: ---   
Hardware: Other   
OS: Other   
URL: https://smash.suse.de/issue/336707/
Whiteboard: CVSSv3.1:SUSE:CVE-2022-2380:6.1:(AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H)
Found By: Security Response Team Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---

Description Carlos López 2022-07-11 14:55:17 UTC 
rh#2105785

A flaw in the linux Kernel found. When user reading three bytes from the framebuffer with the sm712fb driver usage, then crash happens.

Reference:
https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/commit/?h=for-next&id=bd771cf5c4254511cc4abb88f3dab3bd58bdf8e8

References:
https://bugzilla.redhat.com/show_bug.cgi?id=2105785
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-2380
Comment 1 Carlos López 2022-07-11 14:58:20 UTC 
CONFIG_FB_SM712 is not enabled in any of our builds. Closing.