CVE-2021-33656

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

Configuration 1 (hide)

OR cpe:2.3:o:huawei:openeuler:20.03:-:*:*:lts:*:*:*
cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:*
cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts:*:*:*

Configuration 2 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

History

14 Sep 2022, 15:49

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 7.8
v2 : unknown
v3 : 6.8

28 Jul 2022, 13:44

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 7.8
CWE CWE-787
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:openeuler:20.03:-:*:*:lts:*:*:*
cpe:2.3:o:huawei:openeuler:20.03:sp3:*:*:lts:*:*:*
cpe:2.3:o:huawei:openeuler:20.03:sp1:*:*:lts:*:*:*
References (MISC) https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel - (MISC) https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel - Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2022/07/19/3 - (MLIST) http://www.openwall.com/lists/oss-security/2022/07/19/3 - Mailing List, Patch, Third Party Advisory
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch - (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch - Patch, Third Party Advisory

19 Jul 2022, 15:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2022/07/19/3 -

18 Jul 2022, 15:15

Type Values Removed Values Added
New CVE

Information

Published : 2022-07-18 15:15

Updated : 2024-02-04 22:51


NVD link : CVE-2021-33656

Mitre link : CVE-2021-33656

CVE.ORG link : CVE-2021-33656


JSON object : View

Products Affected

huawei

  • openeuler

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-787

Out-of-bounds Write