Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2024-53150

Linux

Linux · affected before a632bdcb359fd8145e86486ff8612da98e239acd

Watch CVE-2024-53150 Browse KEV feed
Severity
CVSS 7.1 · High
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
1.4%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-53150 is a vulnerability affecting Linux. In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix out of bounds reads when finding clock sources The current USB-audio driver...

Is it exploited?

Yes. Previdian tracks this CVE as a known exploited vulnerability. Confidence is confirmed. Listed in CISA KEV. Also confirmed by third-party sources.

Who is affected?

Linux affected before a632bdcb359fd8145e86486ff8612da98e239acd.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Linux

In the Linux kernel, the following vulnerability has been resolved:

ALSA: usb-audio: Fix out of bounds reads when finding clock sources

The current USB-audio driver code doesn't check bLength of each descriptor at traversing for clock descriptors. That is, when a device provides a bogus descriptor with a shorter bLength, the driver might hit out-of-bounds reads.

For addressing it, this patch adds sanity checks to the validator functions for the clock descriptor traversal. When the descriptor length is shorter than expected, it's skipped in the loop.

For the clock source and clock multiplier descriptors, we can just check bLength against the sizeof() of each descriptor type. OTOH, the clock selector descriptor of UAC2 and UAC3 has an array of bNrInPins elements and two more fields at its tail, hence those have to be checked in addition to the sizeof() check.

Linux Affected
Linux
Before a632bdcb359fd8145e86486ff8612da98e239acd Before 45a92cbc88e4013bfed7fd2ccab3ade45f8e896b Before ab011f7439d9bbfd34fd3b9cef4b2d6d952c9bb9 Before da13ade87a12dd58829278bc816a61bea06a56a9 Before 74cb86e1006c5437b1d90084d22018da30fddc77 Before ea0fa76f61cf8e932d1d26e6193513230816e11d Before 096bb5b43edf755bc4477e64004fa3a20539ec2f Before a3dd4d63eeb452cfb064a13862fb376ab108f6a6 9feeaa50e5b4b0b71259d918a36ecf9059e60796 3b17a13b687ae99939dc94a4ae01fbc34f68decc Before 4.20 Before 5.4 5.4
Linux Unaffected
Linux
Before 5.4 Through 5.4.* Through 5.10.* Through 5.15.* Through 6.1.* Through 6.6.* Through 6.11.* Through 6.12.* Through *
Published
24 Dec 2024
Exploitation Reported
09 Apr 2025
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None

Tags

linux cisa nessus_scanner windows

CVE References

Exploitation evidence

Why Previdian marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 09 Apr 2025

A trusted third party reported exploitation.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

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Source Added
CISA First 2025-04-09 00:00 UTC
CVE 2026-06-05 09:12 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
User-Agents
Callback hosts
0
0
0

Request targets and User-Agents available in Pro. Callback host details available in Enterprise.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nessus https://www.tenable.com/plugins/nessus/237432 02 Jun 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.1 High

Potential damage if exploited. Separate from whether attackers are using it.

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

EPSS

1.4%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Out-of-bounds Read CWE-125

Timeline

From disclosure to observed exploitation

  1. 09:12 UTC

    KEV confirmed by CVE

    Exploitation attested by an external source

  2. 09:25 UTC

    Nessus plugin available

    Scanner coverage available

  3. 00:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  4. 11:28 UTC

    CVE published

    Vulnerability disclosed publicly

  5. 17:17 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2024-53150

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2024-53150",
  "confidence": "Confirmed",
  "cvss_score": 7.1,
  "cvss_estimated": false,
  "epss_score": 0.01354,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}