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CVE-2021-33656

CVSS v3.1 6.8 (Medium)
68% Progress
EPSS 0.08 % (33th)
0.08% Progress
Affected Products 3
Advisories 35
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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

Weaknesses
CWE-787
Out-of-bounds Write
CVE Status
PUBLISHED
CNA
openEuler
Published Date
2022-07-18 15:15:08
(2 years ago)
Updated Date
2022-10-29 02:52:00
(22 months ago)

Affected Products

Debian

Huawei

Linux

Configuration #1

    CPE23 From Up To
  Huawei Openeuler 20.03 cpe:2.3:o:huawei:openeuler:20.03:-:*:*:lts
  Huawei Openeuler 20.03 SP1 cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts
  Huawei Openeuler 20.03 SP3 cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts

Configuration #2

    CPE23 From Up To
  Linux Kernel prior 5.10.127 version cpe:2.3:o:linux:linux_kernel < 5.10.127

Configuration #3

    CPE23 From Up To
  Debian Linux 10.0 cpe:2.3:o:debian:debian_linux:10.0