Skip to content
Heist/ feed
Unrated

bpf: Send signals asynchronously if !preemptible

Type: advisorySource: Official CVE List1 source record

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()`.

Announced Group revision 1
Original source ↗

CVE-2025-21728

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2025-21728

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "fd29a0242f86b2d95ad666aa9f92a3d0f7bfdab6",
        "lessThan": "feba1308bc5e8e04cee751d39fae8a9b407a9034",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1bc7896e9ef44fd77858b3ef0b8a6840be3a4494",
        "lessThan": "ce51eab2070e295d298f42a2f1db269cd1b56d55",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1bc7896e9ef44fd77858b3ef0b8a6840be3a4494",
        "lessThan": "e306eaaa3d78b462db5f5b11e0171f9d2b6ca3f4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1bc7896e9ef44fd77858b3ef0b8a6840be3a4494",
        "lessThan": "be42a09fe898635b0093c0c8dac1bfabe225c240",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1bc7896e9ef44fd77858b3ef0b8a6840be3a4494",
        "lessThan": "eeef8e65041a031bd8a747a392c14b76a123a12c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1bc7896e9ef44fd77858b3ef0b8a6840be3a4494",
        "lessThan": "78b97783496b454435639937db3303e900a24d3f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1bc7896e9ef44fd77858b3ef0b8a6840be3a4494",
        "lessThan": "092fc76b7ab4163e008f9cde596a58dad2108260",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "1bc7896e9ef44fd77858b3ef0b8a6840be3a4494",
        "lessThan": "87c544108b612512b254c8f79aa5c0a8546e2cc4",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "7930d01afb7281edd9782971e0cca6fe587c7a7b",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5.4.33",
        "lessThan": "5.4.291",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.5.18",
        "lessThan": "5.6",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "kernel/trace/bpf_trace.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.6"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.6",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.4.291",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.235",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.179",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.129",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.76",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.13",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.13.2",
        "versionType": "semver",
        "lessThanOrEqual": "6.13.*"
      },
      {
        "status": "unaffected",
        "version": "6.14",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "kernel/trace/bpf_trace.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2025-21728

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#26925 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. CVE-2025-21728 · Revision 1Source updated