[Forgot Password]
Login  Register Subscribe

30480

 
 

423868

 
 

251951

 
 

909

 
 

196667

 
 

282

Paid content will be excluded from the download.


Download | Alert*
CVE
view JSON

CVE-2021-33656Date: (C)2022-07-19   (M)2024-05-24


When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.8CVSS Score :
Exploit Score: 0.9Exploit Score:
Impact Score: 5.9Impact Score:
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: PHYSICALAccess Vector:
Attack Complexity: LOWAccess Complexity:
Privileges Required: NONEAuthentication:
User Interaction: NONEConfidentiality:
Scope: UNCHANGEDIntegrity:
Confidentiality: HIGHAvailability:
Integrity: HIGH 
Availability: HIGH 
  
Reference:
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html
http://www.openwall.com/lists/oss-security/2022/07/19/3
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch
https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel

CWE    1
CWE-787
OVAL    36
oval:org.secpod.oval:def:88586
oval:org.secpod.oval:def:707699
oval:org.secpod.oval:def:88587
oval:org.secpod.oval:def:707698
...

© SecPod Technologies