VDB

CVE-2021-35039

CVE-2021-35039 PUBLISHED

Reported by mitre · Published July 7, 2021

kernel/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.

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

PackageEcosystemFixed in
linux-hardenedArch Linux5.12.14.hardened1-1
linux-azure-5.11Ubuntu:20.04:LTS5.11.0-1015.16~20.04.1
linux_kernellinux5.12.14, 5.10.47, 5.4.129, 4.19.196
linux-aws-5.11Ubuntu:20.04:LTS5.11.0-1017.18~20.04.1
linux-fipsUbuntu:Pro:FIPS-updates:20.04:LTS5.4.0-1033.38

Affected products

VendorProductVersions
n/an/an/a
archlinux-hardened0
n/an/a*
archlinux0
archlinux-zen0
archlinux-lts0

Timeline

  • Jul 7, 2021 EPSS Score (30 in total, the first dated here)
  • Jul 7, 2021 CVE Published
  • Aug 4, 2024 CVE Updated
  • Apr 4, 2026 Security Advisory (4 in total, the first dated here)
  • Jul 29, 2026 Coalition ESS Score

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2021-35039
vulnetix vdb fixes CVE-2021-35039

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-35039/fixes/registry"

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References

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