Bluetooth: hci_sync: Fix queuing commands when HCI_UNREGISTER is set
Published Feb 26, 2025
7.8
HIGHCVSS 3.1
EPSS 0.26%
Description
hci_cmd_sync_queue shall return an error if HCI_UNREGISTER flag has been set as that means hci_unregister_dev has been called so it will likely cause a uaf after the timeout as the hdev will be freed.
Affected products
-
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
-
- Version 5.17StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<5.17
- Version 5.17.3StatusunaffectedConstraints<=5.17.*
- Version 5.18StatusunaffectedConstraints<=*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
- ≥ 5.17 · < 5.17.3
No data.
Red Hat Enterprise Linux 8
kernel-0:4.18.0-553.60.1.el8_10
Fixed · RHSA-2025:10669
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-553.60.1.rt7.401.el8_10
Fixed · RHSA-2025:10670
Red Hat Enterprise Linux 9
kernel-0:5.14.0-284.11.1.el9_2
Fixed · RHSA-2023:2458
Red Hat Enterprise Linux 9
kernel-0:5.14.0-284.11.1.el9_2
Fixed · RHSA-2023:2458
Red Hat Enterprise Linux 10
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 9
kernel-rt
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | kernel-0:4.18.0-553.60.1.el8_10 | Fixed | RHSA-2025:10669 |
| Red Hat Enterprise Linux 8 | kernel-rt-0:4.18.0-553.60.1.rt7.401.el8_10 | Fixed | RHSA-2025:10670 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-284.11.1.el9_2 | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-284.11.1.el9_2 | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux 10 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Feb 27, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2025-2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (4 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.26% (0.00256) | 15.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.24% (0.00235) | 14.16th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.01% (0.00015) | 1.57th | v4 (v2025.03.14) |
| Feb 27, 2025 | 0.04% (0.00043) | 11.77th | v3 (v2023.03.01) |
References (7)
- https://access.redhat.com/security/cve/CVE-2022-49136 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2348179 Issue Tracking
- https://git.kernel.org/stable/c/0b94f2651f56b9e4aa5f012b0d7eb57308c773cf Patch
- https://git.kernel.org/stable/c/1c69ef84a808676cceb69210addf5df45b741323 Patch
- https://lore.kernel.org/linux-cve-announce/2025022606-CVE-2022-49136-033c@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2022-49136
- https://www.cve.org/CVERecord?id=CVE-2022-49136
Change history (0)
No recorded changes yet.