CVE-2024-27416

Bluetooth: hci_event: Fix handling of HCI_EV_IO_CAPA_REQUEST

MEDIUM
5.5
CVSS Score
Published: May 17, 2024 at 11:51 AM UTC
Updated: August 5, 2026 at 12:04 PM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: Fix handling of HCI_EV_IO_CAPA_REQUEST If we received HCI_EV_IO_CAPA_REQUEST while HCI_OP_READ_REMOTE_EXT_FEATURES is yet to be responded assume the remote does support SSP since otherwise this event shouldn't be generated.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≥ 4.14.328v ≥ 6.5.94.14.328 ≤ v < 4.154.19.297 ≤ v < 4.19.3095.10.199 ≤ v < 5.10.2125.15.137 ≤ v < 5.15.1515.4.259 ≤ v < 5.4.2716.1.60 ≤ v < 6.1.816.5.9 ≤ v < 6.66.6 ≤ v < 6.6.216.6 ≤ v < 6.7.96.6 ≤ v < 6.86.6.1 ≤ v < 6.6.216.7 ≤ v < 6.7.91769ac55dbf3114d5bf79f11bd5dca80ee263f9c1ef071526848cc3109ade63268854cd7c20ece0c25e5d2883002e235f3378b8592aad14aeeef898c2c7f9fda663a1b31a61744ffc456bdb89c4efc7f4.14.3284.19.29740a33a129d99639921ce00d274cca44ba282f1ac5.10.1995.15.1375.4.2596.1.606.5.96.66.6 rc76.8 rc16.8 rc26.8 rc36.8 rc46.8 rc56.8 rc6746dbb0fc6392eca23de27f8aa9d13979b564889c7f59461f5a78994613afc112cdd73688aef9076ccb8618c972f941ebc6b2b9db491025b3369efcb
Vendor states this is fixed in 30a5e812f78e3d1cced90e1ed750bf027599205f (fixed)
Vendor states this is fixed in 79820a7e1e057120c49be07cbe10643d0706b259 (fixed)
Vendor states this is fixed in 7e74aa53a68bf60f6019bd5d9a9a1406ec4d4865 (fixed)
Vendor states this is fixed in 8e2758cc25891d2b76717aaf89b40ed215de188c (fixed)
Vendor states this is fixed in afec8f772296dd8e5a2a6f83bbf99db1b9ca877f (fixed)
Vendor states this is fixed in c3df637266df29edee85e94cab5fd7041e5753ba (fixed)
Vendor states this is fixed in df193568d61234c81de7ed4d540c01975de60277 (fixed)
Vendor states this is fixed in fba268ac36ab19f9763ff90d276cde0ce6cd5f31 (fixed)
Affected range stops below 4.15, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 4.19.309 (unaffected)
Vendor states this is fixed in 5.10.212 (unaffected)
Vendor states this is fixed in 5.15.151 (unaffected)
Vendor states this is fixed in 5.4.271 (unaffected)
Vendor states this is fixed in 6.1.81 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)
Vendor states this is fixed in 6.6.21 (unaffected)
Vendor states this is fixed in 6.7.9 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

References (10)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/30a5e812f78e3d1cced90e1ed750bf027599205f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/79820a7e1e057120c49be07cbe10643d0706b259
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7e74aa53a68bf60f6019bd5d9a9a1406ec4d4865
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8e2758cc25891d2b76717aaf89b40ed215de188c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/afec8f772296dd8e5a2a6f83bbf99db1b9ca877f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c3df637266df29edee85e94cab5fd7041e5753ba
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/df193568d61234c81de7ed4d540c01975de60277
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fba268ac36ab19f9763ff90d276cde0ce6cd5f31

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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