Review reviewHigh

CVE-2024-36032

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: fix info leak when fetching fw build id Add the missing sanity checks and move the 255-byte build-id buffer off the stack to avoid leaking stack data through debugfs in case the build-info reply is malformed.

CVSS
7.1
EPSS
0.35%
27.8% percentile
CISA KEV
Not listed
Published
2024.05.31
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.35%
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: fix info leak when fetching fw build id Add the missing sanity checks and move the 255-byte build-id buffer off the stack to avoid leaking stack data through debugfs in case the build-info reply is malformed.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= c0187b0bd3e94c48050687d87b2c3c9fbae98ae9 < 62d5550ab62042dcceaf18844d0feadbb962cffe, >= c0187b0bd3e94c48050687d87b2c3c9fbae98ae9 < 57062aa13e87b1a78a4a8f6cb5fab6ba24f5f488, >= c0187b0bd3e94c48050687d87b2c3c9fbae98ae9 < 6b63e0ef4d3ce0080395e5091fba2023f246c45a, >= c0187b0bd3e94c48050687d87b2c3c9fbae98ae9 < a571044cc0a0c944e7c12237b6768aeedd7480e1, >= c0187b0bd3e94c48050687d87b2c3c9fbae98ae9 < cda0d6a198e2a7ec6f176c36173a57bdd8af7af2, >= 5.12, >= 5.12 < 5.15.162, >= 5.16 < 6.1.91, >= 6.2 < 6.6.31, >= 6.7 < 6.8.10, 6.9
Fixed versions
5.15.162, 6.1.91, 6.6.31, 6.8.10

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
CWE-668