Kernel: udf: information leak on export
Published Mar 14, 2013
1.9
LOWCVSS 2.0
EPSS 0.43%
Description
The udf_encode_fh function in fs/udf/namei.c in the Linux kernel before 3.6 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory via a crafted application.
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
- 6.0
No data.
OpenStack 3 for RHEL 6
kernel-0:2.6.32-358.114.1.openstack.el6
Fixed · RHSA-2013:1080
Red Hat Enterprise Linux 6
kernel-0:2.6.32-358.14.1.el6
Fixed · RHSA-2013:1051
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| OpenStack 3 for RHEL 6 | kernel-0:2.6.32-358.114.1.openstack.el6 | Fixed | RHSA-2013:1080 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-358.14.1.el6 | Fixed | RHSA-2013:1051 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| 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 versions of the kernel package as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2. This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 6. Future kernel updates for Red Hat Enterprise Linux 6 may address this issue.
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00429) | 34.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00429) | 34.01th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.03% (0.00034) | 6.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.12% (0.00122) | 48.25th | v3 (v2023.03.01) |
| Jun 18, 2024 | 0.12% (0.00122) | 46.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00122) | 44.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (18)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0143fc5e9f6f5aad4764801015bc8d4b4a278200 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2013-1051.html vendor-advisoryx_refsource_REDHAT
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176 vendor-advisoryx_refsource_MANDRIVA
- 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
- http://www.ubuntu.com/usn/USN-1809-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1811-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1812-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1813-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1814-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-6548 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=922353 Issue Tracking
- https://github.com/torvalds/linux/commit/0143fc5e9f6f5aad4764801015bc8d4b4a278200 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2012-6548
- https://www.cve.org/CVERecord?id=CVE-2012-6548
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2 x_refsource_CONFIRMPatch
Change history (0)
No recorded changes yet.