CVE-2026-97907

Bluetooth: btrtl: Don't leak return code when parsing firmware format v2

State
Published
Severity
Not scored
Published
Sep 25, 2026
Updated
Oct 19, 2026
Reserved
Sep 25, 2026

Read the record on cve.org

Description

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

Bluetooth: btrtl: Don't leak return code when parsing firmware format v2

When key_id from chip is zero, rtlbt_parse_firmware_v2() intentionally ignores all security headers. However, the implementation simply breaks from a switch statement and leaks uninitialized return code `rc' (if the first section is a security one) or the previous section's `rc'.

Fix it by really skipping a loop with `continue'. For consistency and readability, also do the same for the default case.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 9a24ce5e29b15c4c6b0c89c04f9df6ce14addefa to before ba96047bba4a6101267cf4f6b3057cbc58e6c554Affected
  • 9a24ce5e29b15c4c6b0c89c04f9df6ce14addefa to before 90f3a142b5f8596a565b8e080d18a8050be6edefAffected
  • 9a24ce5e29b15c4c6b0c89c04f9df6ce14addefa to before 422f6547259654bae690713614c794dd1e2c0a0bAffected
  • 9a24ce5e29b15c4c6b0c89c04f9df6ce14addefa to before c4249cf6e80b1bd62a6a409aaabe760fe025dac3Affected
  • 9a24ce5e29b15c4c6b0c89c04f9df6ce14addefa to before 83e3e515fd261600ed8491fb0a8bcdfb115c904eAffected
LinuxLinux
  • 6.4Affected
  • before 6.4Not affected
  • 6.6.158 through 6.6.*Not affected
  • 6.12.111 through 6.12.*Not affected
  • 6.18.53 through 6.18.*Not affected
  • 7.2.7 through 7.2.*Not affected
  • 7.3 and laterNot affected

References

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