CVE-2025-40294

Summary

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

Bluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern()

In the parse_adv_monitor_pattern() function, the value of the 'length' variable is currently limited to HCI_MAX_EXT_AD_LENGTH(251). The size of the 'value' array in the mgmt_adv_pattern structure is 31. If the value of 'pattern[i].length' is set in the user space and exceeds 31, the 'patterns[i].value' array can be accessed out of bound when copied.

Increasing the size of the 'value' array in the 'mgmt_adv_pattern' structure will break the userspace. Considering this, and to avoid OOB access revert the limits for 'offset' and 'length' back to the value of HCI_MAX_AD_LENGTH.

Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux99f30e12e588f9982a6eb1916e53510bff25b3b8 < 96616530f524a0a76248cd44201de0a9e8526190affected
LinuxLinuxdb08722fc7d46168fe31d9b8a7b29229dd959f9f < 5f7350ff2b179764a4f40ba4161b60b8aaef857baffected
LinuxLinuxdb08722fc7d46168fe31d9b8a7b29229dd959f9f < 4b7d4aa5399b5a64caee639275615c63c008540daffected
LinuxLinuxdb08722fc7d46168fe31d9b8a7b29229dd959f9f < 3a50d59b3781bc3a4e96533612509546a4c309a7affected
LinuxLinuxdb08722fc7d46168fe31d9b8a7b29229dd959f9f < 8d59fba49362c65332395789fd82771f1028d87eaffected
LinuxLinux6.1.83 < 6.1.159affected
LinuxLinux6.6affected
LinuxLinux0 < 6.6unaffected
LinuxLinux6.1.159 <= 6.1.*unaffected
LinuxLinux6.6.117 <= 6.6.*unaffected
LinuxLinux6.12.58 <= 6.12.*unaffected
LinuxLinux6.17.8 <= 6.17.*unaffected
LinuxLinux6.18 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References