CVE-2021-33656

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Summary

CVECVE-2021-33656
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-07-18 15:15:00 UTC
Updated2022-10-29 02:52:00 UTC
DescriptionWhen setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Huawei Openeuler 20.03 - All All
Operating System Huawei Openeuler 20.03 sp1 All All
Operating System Huawei Openeuler 20.03 sp3 All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
oss-security - CVE-2021-33656: Linux kernel: When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.(<5.10.127) MLIST www.openwall.com
[SECURITY] [DLA 3131-1] linux security update MLIST lists.debian.org
Security-cveDetail MISC www.openeuler.org
vt-drop-old-font-ioctls.patch « 5.10.127 « releases - kernel/git/stable/stable-queue.git - Linux kernel stable patch queue MISC git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160076 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2022-9761)
  • 160692 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2951)
  • 180908 Debian Security Update for linux (CVE-2021-33656)
  • 181091 Debian Security Update for linux (DLA 3131-1)
  • 198917 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5589-1)
  • 198919 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5592-1)
  • 198920 Ubuntu Security Notification for Linux kernel Vulnerability (USN-5591-3)
  • 198922 Ubuntu Security Notification for Linux kernel (AWS) Vulnerability (USN-5591-4)
  • 198924 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5595-1)
  • 198925 Ubuntu Security Notification for Linux kernel (Oracle) Vulnerability (USN-5598-1)
  • 198926 Ubuntu Security Notification for Linux kernel (HWE) Vulnerabilities (USN-5600-1)
  • 198928 Ubuntu Security Notification for Linux kernel (Raspberry Pi) Vulnerabilities (USN-5603-1)
  • 198930 Ubuntu Security Notification for Linux kernel (Azure CVM) Vulnerabilities (USN-5605-1)
  • 241504 Red Hat Update for kernel security (RHSA-2023:2951)
  • 241527 Red Hat Update for kernel-rt (RHSA-2023:2736)
  • 377117 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0158)
  • 377766 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2022:0049)
  • 377871 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2023:0001)
  • 390267 Oracle VM Server for x86 Security Update for kernel (OVMSA-2022-0024)
  • 672086 EulerOS Security Update for kernel (EulerOS-SA-2022-2321)
  • 672114 EulerOS Security Update for kernel (EulerOS-SA-2022-2292)
  • 672139 EulerOS Security Update for kernel (EulerOS-SA-2022-2428)
  • 672141 EulerOS Security Update for kernel (EulerOS-SA-2022-2441)
  • 672158 EulerOS Security Update for kernel (EulerOS-SA-2022-2415)
  • 672205 EulerOS Security Update for kernel (EulerOS-SA-2022-2466)
  • 752452 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2719-1)
  • 752453 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2723-1)
  • 752455 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2720-1)
  • 752463 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2809-1)
  • 752464 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2808-1)
  • 752474 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2827-1)
  • 752502 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2875-1)
  • 753156 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2741-1)
  • 753316 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2892-1)
  • 753703 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 753707 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 753727 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2023:0416-1)
  • 902574 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10370)
  • 902699 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10370-1)
  • 941096 AlmaLinux Security Update for kernel (ALSA-2023:2951)
  • 941114 AlmaLinux Security Update for kernel-rt (ALSA-2023:2736)
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