Kernel: Bluetooth: HCI & L2CAP information leaks
Published Mar 14, 2013
1.9
LOWCVSS 2.0
EPSS 0.37%
Description
The Bluetooth protocol stack in the Linux kernel before 3.6 does not properly initialize certain structures, which allows local users to obtain sensitive information from kernel stack memory via a crafted application that targets the (1) L2CAP or (2) HCI implementation.
Affected products
No data.
Configuration 1
- ≤ 3.5.7
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0.1
- 3.0.2
- 3.0.3
- 3.0.4
- 3.0.5
- 3.0.6
- 3.0.7
- 3.0.8
- 3.0.9
- 3.0.10
- 3.0.11
- 3.0.12
- 3.0.13
- 3.0.14
- 3.0.15
- 3.0.16
- 3.0.17
- 3.0.18
- 3.0.19
- 3.0.20
- 3.0.21
- 3.0.22
- 3.0.23
- 3.0.24
- 3.0.25
- 3.0.26
- 3.0.27
- 3.0.28
- 3.0.29
- 3.0.30
- 3.0.31
- 3.0.32
- 3.0.33
- 3.0.34
- 3.0.35
- 3.0.36
- 3.0.37
- 3.0.38
- 3.0.39
- 3.0.40
- 3.0.41
- 3.0.42
- 3.0.43
- 3.0.44
- 3.0.45
- 3.0.46
- 3.0.47
- 3.0.48
- 3.0.49
- 3.0.50
- 3.0.51
- 3.0.52
- 3.0.53
- 3.0.54
- 3.0.55
- 3.0.56
- 3.0.57
- 3.0.58
- 3.0.59
- 3.0.60
- 3.0.61
- 3.0.62
- 3.0.63
- 3.0.64
- 3.0.65
- 3.0.66
- 3.0.67
- 3.0.68
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.5
- 3.1.6
- 3.1.7
- 3.1.8
- 3.1.9
- 3.1.10
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2
- 3.2.1
- 3.2.2
- 3.2.3
- 3.2.4
- 3.2.5
- 3.2.6
- 3.2.7
- 3.2.8
- 3.2.9
- 3.2.10
- 3.2.11
- 3.2.12
- 3.2.13
- 3.2.14
- 3.2.15
- 3.2.16
- 3.2.17
- 3.2.18
- 3.2.19
- 3.2.20
- 3.2.21
- 3.2.22
- 3.2.23
- 3.2.24
- 3.2.25
- 3.2.26
- 3.2.27
- 3.2.28
- 3.2.29
- 3.2.30
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3
- 3.3.1
- 3.3.2
- 3.3.3
- 3.3.4
- 3.3.5
- 3.3.6
- 3.3.7
- 3.3.8
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4
- 3.4.1
- 3.4.2
- 3.4.3
- 3.4.4
- 3.4.5
- 3.4.6
- 3.4.7
- 3.4.8
- 3.4.9
- 3.4.10
- 3.4.11
- 3.4.12
- 3.4.13
- 3.4.14
- 3.4.15
- 3.4.16
- 3.4.17
- 3.4.18
- 3.4.19
- 3.4.20
- 3.4.21
- 3.4.22
- 3.4.23
- 3.4.24
- 3.4.25
- 3.4.26
- 3.4.27
- 3.4.28
- 3.4.29
- 3.4.30
- 3.4.31
- 3.4.32
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
- 3.5.5
- 3.5.6
Configuration 2
- 5
- 6.0
No data.
OpenStack 3 for RHEL 6
kernel-0:2.6.32-358.118.1.openstack.el6
Fixed · RHSA-2013:1195
Red Hat Enterprise Linux 5
kernel-0:2.6.18-348.12.1.el5
Fixed · RHSA-2013:1034
Red Hat Enterprise Linux 6
kernel-0:2.6.32-358.18.1.el6
Fixed · RHSA-2013:1173
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| OpenStack 3 for RHEL 6 | kernel-0:2.6.32-358.118.1.openstack.el6 | Fixed | RHSA-2013:1195 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-348.12.1.el5 | Fixed | RHSA-2013:1034 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-358.18.1.el6 | Fixed | RHSA-2013:1173 |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the version of the kernel package as shipped with Red Hat Enterprise MRG 2.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.37% (0.00371) | 28.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.37% (0.00368) | 28.36th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.08% (0.00078) | 20.88th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00117) | 47.31th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.12% (0.00117) | 45.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00117) | 43.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (15)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3f68ba07b1da811bf383b4b701b129bfcb2e4988 x_refsource_CONFIRM
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=792039c73cf176c8e39a6e8beef2c94ff46522ed x_refsource_CONFIRM
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e15ca9a0ef9a86f0477530b0f44a725d67f889ee x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2013-1173.html vendor-advisoryx_refsource_REDHAT
- http://www.openwall.com/lists/oss-security/2013/03/05/13 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-1805-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1808-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-6544 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=922414 Issue Tracking
- https://github.com/torvalds/linux/commit/3f68ba07b1da811bf383b4b701b129bfcb2e4988 x_refsource_CONFIRM
- https://github.com/torvalds/linux/commit/792039c73cf176c8e39a6e8beef2c94ff46522ed x_refsource_CONFIRM
- https://github.com/torvalds/linux/commit/e15ca9a0ef9a86f0477530b0f44a725d67f889ee x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2012-6544
- https://www.cve.org/CVERecord?id=CVE-2012-6544
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2 x_refsource_CONFIRMPatch
Change history (0)
No recorded changes yet.