VDB

DEBIAN-CVE-2025-21728

DEBIAN-CVE-2025-21728 PUBLISHED CVSS 5.5 MEDIUM

Record from OSV · Published February 27, 2025

In the Linux kernel, the following vulnerability has been resolved: bpf: Send signals asynchronously if !preemptible BPF programs can execute in all kinds of contexts and when a program running in a non-preemptible context uses the bpf_send_signal() kfunc, it will cause issues because this kfunc can sleep. Change `irqs_disabled()` to `!preemptible()`.

Fixed versions

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

PackageEcosystemFixed in
linuxDebian:136.12.13-1
linuxDebian:146.12.13-1
linuxDebian:126.1.129-1

Risk scores

CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

VendorProductVersions
Debian:13linux0
Debian:14linux0
Debian:12linux6.1.106-1, 6.1.106-2, 6.1.106-3

Timeline

  • Feb 27, 2025 CVE Published
  • Oct 15, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln DEBIAN-CVE-2025-21728
vulnetix vdb fixes DEBIAN-CVE-2025-21728

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-2025-21728/fixes/registry"

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