CVE-2021-35039

Summary

CVECVE-2021-35039
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-07-07 01:15:00 UTC
Updated2023-05-16 10:59:00 UTC
Descriptionkernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification, aka CID-0c18f29aae7c. Without CONFIG_MODULE_SIG, verification that a kernel module is signed, for loading via init_module, does not occur for a module.sig_enforce=1 command-line argument.

Risk And Classification

Problem Types: CWE-347

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 9.0 All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.14 CONFIRM cdn.kernel.org
CVE-2021-35039 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
oss-security - CVE-2021-35039: Linux kernel loading unsigned kernel modules via init_module syscall MISC www.openwall.com
module: limit enabling module.sig_enforce · torvalds/linux@0c18f29 · GitHub CONFIRM github.com
[SECURITY] [DLA 2785-1] linux-4.19 security update MLIST lists.debian.org
oss-security - CVE-2021-35039: Linux kernel loading unsigned kernel modules via init_module syscall MLIST www.openwall.com
kernel/git/torvalds/linux.git - Linux kernel source tree 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

  • 178844 Debian Security Update for linux-4.19 (DLA 2785-1)
  • 180262 Debian Security Update for linux (CVE-2021-35039)
  • 670744 EulerOS Security Update for kernel (EulerOS-SA-2021-2502)
  • 750887 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1076-1)
  • 750953 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:2645-1)
  • 750963 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:2687-1)
  • 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
  • 901916 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6570-1)
  • 903034 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (4432)
  • 905892 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (4432-1)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report