VDB

DEBIAN-CVE-2021-28964

DEBIAN-CVE-2021-28964 PUBLISHED CVSS 4.699999809265137 MEDIUM

Record from OSV · Published March 22, 2021

A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.

Fixed versions

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

PackageEcosystemFixed in
linuxDebian:135.10.26-1
linuxDebian:145.10.26-1
linuxDebian:125.10.26-1

Risk scores

CVSS 3.1
4.699999809265137
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

VendorProductVersions
Debian:13linux0
Debianlinux
Debian:14linux0
Debian:12linux0

Timeline

  • Mar 22, 2021 CVE Published
  • Oct 23, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln DEBIAN-CVE-2021-28964
vulnetix vdb fixes DEBIAN-CVE-2021-28964

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/DEBIAN-CVE-2021-28964/fixes/registry"

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