CVE-2021-33033

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Summary

CVECVE-2021-33033
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-14 23:15:00 UTC
Updated2021-06-09 18:37:00 UTC
DescriptionThe Linux kernel before 5.11.14 has a use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c because the CIPSO and CALIPSO refcounting for the DOI definitions is mishandled, aka CID-ad5d07f4a9cd. This leads to writing an arbitrary value.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
KASAN: use-after-free Read in cipso_v4_genopt MISC syzkaller.appspot.com
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.14 MISC cdn.kernel.org
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.7 MISC cdn.kernel.org
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
SyzScope - KASAN: use-after-free Read in cipso_v4_genopt MISC sites.google.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159304 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9349)
  • 159305 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9351)
  • 159306 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9362)
  • 159307 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9363)
  • 159310 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-2725)
  • 179118 Debian Security Update for linux (DLA 2940-1)
  • 180016 Debian Security Update for linux (CVE-2021-33033)
  • 198398 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4979-1)
  • 198403 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4984-1)
  • 239523 Red Hat Update for kernel-rt (RHSA-2021:2726)
  • 239524 Red Hat Update for kernel (RHSA-2021:2725)
  • 239879 Red Hat Update for kernel-rt (RHSA-2021:4140)
  • 257100 CentOS Security Update for kernel (CESA-2021:2725)
  • 352366 Amazon Linux Security Advisory for kernel: ALAS-2021-1503
  • 353242 Amazon Linux Security Advisory for kernel : ALAC2012-2022-036
  • 353243 Amazon Linux Security Advisory for kmod-mlx5 : ALAC2012-2022-037
  • 353244 Amazon Linux Security Advisory for kmod-sfc : ALAC2012-2022-038
  • 670488 EulerOS Security Update for kernel (EulerOS-SA-2021-2246)
  • 670514 EulerOS Security Update for kernel (EulerOS-SA-2021-2272)
  • 670543 EulerOS Security Update for kernel (EulerOS-SA-2021-2301)
  • 670578 EulerOS Security Update for kernel (EulerOS-SA-2021-2336)
  • 670634 EulerOS Security Update for kernel (EulerOS-SA-2021-2392)
  • 671047 EulerOS Security Update for kernel (EulerOS-SA-2021-2588)
  • 751336 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1460-1)
  • 751342 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3641-1)
  • 751346 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3655-1)
  • 751349 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1477-1)
  • 751353 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3675-1)
  • 751381 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3748-1)
  • 751437 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3876-1)
  • 751441 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3876-1)
  • 751451 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3935-1)
  • 751473 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3969-1)
  • 900096 CBL-Mariner Linux Security Update for kernel 5.10.52.1
  • 900304 CBL-Mariner Linux Security Update for kernel 5.10.57.1
  • 900319 CBL-Mariner Linux Security Update for kernel 5.10.60.1
  • 901876 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6561-1)
  • 902912 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (4203)
  • 906180 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (4203-1)
  • 940265 AlmaLinux Security Update for kernel (ALSA-2021:4356)
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