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CVE-2024-53150

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

CVSS 3.1 High 7.1Known exploited (CISA KEV)

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

Description

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.

Official description from the CVE record, published by Linux. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org

Key data

CVSS 3.1 High 7.1

Score published by CISA-ADP in the CVE record.

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

  • Attack vector: Local

    The attacker needs local access to the system, or to trick a user into running something.

  • Attack complexity: Low

    No special conditions are needed. The attack can be repeated at will.

  • Privileges required: Low

    A basic user account is needed.

  • User interaction: None

    No action from any user is needed.

  • Scope: Unchanged

    The impact stays within the vulnerable component.

  • Confidentiality impact: High

    Serious or total effect on the secrecy of data.

  • Integrity impact: None

    No effect on the trustworthiness of data.

  • Availability impact: High

    Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
Score
0.01354 (1.4% probability)
Percentile
71.8%
Scores of
Nov 10, 2026
Model
v2026.06.15

CISA Known Exploited Vulnerabilities

This CVE is listed in the CISA KEV catalog.
Name in the catalog
Linux Kernel Out-of-Bounds Read Vulnerability
Added to the catalog
Apr 9, 2025
Federal due date
Apr 30, 2025

CISA assessment as of Apr 9, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.
Exploitation
Recorded by CISA as active
Automatable
no
Technical impact
partial

Weakness (CWE)

CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.

Affected products

Products listed in the CVE record, as the CNA published them.

  • Linux

    • affected: b8e4f1fdfa422398c2d6c47bfb7d1feb3046d70a up to before a632bdcb359fd8145e86486ff8612da98e239acd
    • affected: b8e4f1fdfa422398c2d6c47bfb7d1feb3046d70a up to before 45a92cbc88e4013bfed7fd2ccab3ade45f8e896b
    • affected: b8e4f1fdfa422398c2d6c47bfb7d1feb3046d70a up to before ab011f7439d9bbfd34fd3b9cef4b2d6d952c9bb9
    • affected: b8e4f1fdfa422398c2d6c47bfb7d1feb3046d70a up to before da13ade87a12dd58829278bc816a61bea06a56a9
    • affected: b8e4f1fdfa422398c2d6c47bfb7d1feb3046d70a up to before 74cb86e1006c5437b1d90084d22018da30fddc77
    • affected: b8e4f1fdfa422398c2d6c47bfb7d1feb3046d70a up to before ea0fa76f61cf8e932d1d26e6193513230816e11d
    • affected: b8e4f1fdfa422398c2d6c47bfb7d1feb3046d70a up to before 096bb5b43edf755bc4477e64004fa3a20539ec2f
    • affected: b8e4f1fdfa422398c2d6c47bfb7d1feb3046d70a up to before a3dd4d63eeb452cfb064a13862fb376ab108f6a6
    • affected: 9feeaa50e5b4b0b71259d918a36ecf9059e60796
    • affected: 3b17a13b687ae99939dc94a4ae01fbc34f68decc
    • affected: 4.19.84 up to before 4.20
    • affected: 5.3.11 up to before 5.4

  • Linux

    • affected: 5.4
    • unaffected: before 5.4
    • unaffected: 5.4.287 up to 5.4.*
    • unaffected: 5.10.231 up to 5.10.*
    • unaffected: 5.15.174 up to 5.15.*
    • unaffected: 6.1.120 up to 6.1.*
    • unaffected: 6.6.64 up to 6.6.*
    • unaffected: 6.11.11 up to 6.11.*
    • unaffected: 6.12.2 up to 6.12.*
    • unaffected: 6.13 up to *

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

  1. ID reserved
  2. Record published
  3. Added to CISA KEV
  4. Record last updated

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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:18 UTC. Sources and licenses