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Review reviewHigh

CVE-2025-38117

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Protect mgmt_pending list with its own lock This uses a mutex to protect from concurrent access of mgmt_pending list which can cause crashes like: ================================================================== BUG: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91 Read of size 2 at addr ffff0000c48885b2 by task syz.4.334/7318 CPU: 0 UID: 0 PID: 7318 Comm: syz.4.334 Not tainted 6.15.0-rc7-syzkaller-g187899f4124a #0 PREEMPT Hardware name: Google Google Compute Engine...

CVSS
7.8
EPSS
0.15%
5.02% percentile
CISA KEV
Not listed
Published
2025.07.03
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.15%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Protect mgmt_pending list with its own lock This uses a mutex to protect from concurrent access of mgmt_pending list which can cause crashes like: ================================================================== BUG: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91 Read of size 2 at addr ffff0000c48885b2 by task syz.4.334/7318 CPU: 0 UID: 0 PID: 7318 Comm: syz.4.334 Not tainted 6.15.0-rc7-syzkaller-g187899f4124a #0 PREEMPT Hardware name: Google Google Compute Engine...

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= a380b6cff1a2d2139772e88219d08330f84d0381 < bdd56875c6926d8009914f427df71797693e90d4, >= a380b6cff1a2d2139772e88219d08330f84d0381 < 4e83f2dbb2bf677e614109df24426c4dded472d4, >= a380b6cff1a2d2139772e88219d08330f84d0381 < d7882db79135c829a922daf3571f33ea1e056ae3, >= a380b6cff1a2d2139772e88219d08330f84d0381 < 6fe26f694c824b8a4dbf50c635bee1302e3f099c, >= 4.1, >= 4.1 < 6.6.94, >= 6.7 < 6.12.34, >= 6.13 < 6.15.3, 6.16
Fixed versions
6.6.94, 6.12.34, 6.15.3

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:H/A:H
CWE
CWE-416
CVE-2025-38117 — Linux Linux, linux kernel | SECUFOCUS NOW