CVE-2021-33655

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Summary

CVECVE-2021-33655
StatePUBLISHED
AssigneropenEuler
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-07-18 15:15:07 UTC
Updated2026-10-14 12:17:12 UTC
DescriptionWhen sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

Risk And Classification

Primary CVSS: v3.1 6.7 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-787 | CWE-787 CWE-787: Out-of-bounds Write

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 11.0 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 5.19 rc1 All All
Operating System Linux Linux Kernel 5.19 rc2 All All
Operating System Linux Linux Kernel 5.19 rc3 All All
Operating System Linux Linux Kernel 5.19 rc4 All All
Operating System Linux Linux Kernel 5.19 rc5 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Kernel affected 5.18 5.19.0-rc1 Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected V1.1 custom Not specified

References

ReferenceSourceLinkTags
Debian -- Security Information -- DSA-5191-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
oss-security - CVE-2021-33655: Linux kernel: When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.(5.18 5.19.0-rc1) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Patch, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Mailing List, Patch, Vendor Advisory
[SECURITY] [DLA 3131-1] linux security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
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)
  • 160583 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2458)
  • 160692 Oracle Enterprise Linux Security Update for kernel (ELSA-2023-2951)
  • 180900 Debian Security Update for linux (DSA 5191-1)
  • 181091 Debian Security Update for linux (DLA 3131-1)
  • 182470 Debian Security Update for linux (CVE-2021-33655)
  • 198910 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5577-1)
  • 198923 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5596-1)
  • 198946 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5621-1)
  • 198948 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5624-1)
  • 198949 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5622-1)
  • 198950 Ubuntu Security Notification for Linux kernel (HWE) Vulnerabilities (USN-5623-1)
  • 198953 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5633-1)
  • 198954 Ubuntu Security Notification for Linux kernel (Raspberry Pi) Vulnerabilities (USN-5630-1)
  • 198958 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5635-1)
  • 198960 Ubuntu Security Notification for Linux kernel (Oracle) Vulnerabilities (USN-5640-1)
  • 198962 Ubuntu Security Notification for Linux kernel (Azure CVM) Vulnerabilities (USN-5639-1)
  • 198964 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-5644-1)
  • 198966 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-5647-1)
  • 198967 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5648-1)
  • 198970 Ubuntu Security Notification for Linux kernel (GKE) Vulnerabilities (USN-5654-1)
  • 198972 Ubuntu Security Notification for Linux kernel (Intel IoTG) Vulnerabilities (USN-5655-1)
  • 198974 Ubuntu Security Notification for Linux kernel (GCP) Vulnerabilities (USN-5660-1)
  • 198989 Ubuntu Security Notification for Linux kernel (IBM) Vulnerabilities (USN-5683-1)
  • 241417 Red Hat Update for kernel security (RHSA-2023:2458)
  • 241468 Red Hat Update for kernel-rt (RHSA-2023:2148)
  • 241504 Red Hat Update for kernel security (RHSA-2023:2951)
  • 241527 Red Hat Update for kernel-rt (RHSA-2023:2736)
  • 242941 Red Hat Update for kernel (RHSA-2024:0930)
  • 354044 Amazon Linux Security Advisory for kernel : ALAS2-2022-1833
  • 354049 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-034
  • 354071 Amazon Linux Security Advisory for kernel : ALAS-2022-1636
  • 354075 Amazon Linux Security Advisory for kernel : ALAS2-2022-1852
  • 377117 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0158)
  • 390267 Oracle VM Server for x86 Security Update for kernel (OVMSA-2022-0024)
  • 610471 Google Android Devices March 2023 Security Patch Missing
  • 610484 Google Android April 2023 Security Patch Missing for Samsung
  • 610486 Google Android April 2023 Security Patch Missing for Huawei EMUI
  • 672114 EulerOS Security Update for kernel (EulerOS-SA-2022-2292)
  • 672141 EulerOS Security Update for kernel (EulerOS-SA-2022-2441)
  • 672205 EulerOS Security Update for kernel (EulerOS-SA-2022-2466)
  • 672218 EulerOS Security Update for kernel (EulerOS-SA-2022-2619)
  • 672286 EulerOS Security Update for kernel (EulerOS-SA-2022-2654)
  • 672354 EulerOS Security Update for kernel (EulerOS-SA-2022-2732)
  • 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)
  • 752461 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2803-1)
  • 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)
  • 752814 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 31 for SLE 15 SP1) (SUSE-SU-2022:4112-1)
  • 752831 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 31 for SLE 15) (SUSE-SU-2022:4027-1)
  • 752850 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 1 for SLE 15 SP4) (SUSE-SU-2022:4035-1)
  • 752852 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 16 for SLE 15 SP3) (SUSE-SU-2022:4100-1)
  • 752874 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 32 for SLE 15 SP1) (SUSE-SU-2022:4024-1)
  • 752894 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 22 for SLE 15 SP3) (SUSE-SU-2022:4033-1)
  • 752902 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 30 for SLE 15) (SUSE-SU-2022:4129-1)
  • 752930 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 0 for SLE 15 SP4) (SUSE-SU-2022:4113-1)
  • 753135 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:2722-1)
  • 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)
  • 902778 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10621)
  • 902789 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10616)
  • 904104 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10621-1)
  • 904130 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10616-1)
  • 905897 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10621-2)
  • 906257 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10616-2)
  • 941023 AlmaLinux Security Update for kernel (ALSA-2023:2458)
  • 941061 AlmaLinux Security Update for kernel-rt (ALSA-2023:2148)
  • 941096 AlmaLinux Security Update for kernel (ALSA-2023:2951)
  • 941114 AlmaLinux Security Update for kernel-rt (ALSA-2023:2736)

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