Kernel: net: info leak in compat dev_ifconf
Published Mar 14, 2013
1.9
LOWCVSS 2.0
EPSS 0.36%
Description
The dev_ifconf function in net/socket.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
Affected products
No data.
- ≤ 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
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | 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, 6 and 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 | 0.36% (0.00359) | 27.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.36% (0.00359) | 27.50th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00058) | 15.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00082) | 36.88th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.08% (0.00082) | 35.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00082) | 33.36th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (10)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=43da5f2e0d0c69ded3d51907d9552310a6b545e8 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2013/03/05/13 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-1792-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-1798-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-6539 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=922133 Issue Tracking
- https://github.com/torvalds/linux/commit/43da5f2e0d0c69ded3d51907d9552310a6b545e8 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2012-6539
- https://www.cve.org/CVERecord?id=CVE-2012-6539
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2 x_refsource_CONFIRMPatch
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=43da5f2e0d0c69ded3d51907d9552310a6b545e8 | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2013/03/05/13 | mailing-listx_refsource_MLIST | |
| http://www.ubuntu.com/usn/USN-1792-1 | vendor-advisoryx_refsource_UBUNTU | |
| http://www.ubuntu.com/usn/USN-1798-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2012-6539 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=922133 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/43da5f2e0d0c69ded3d51907d9552310a6b545e8 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-6539 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-6539 | ||
| https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2 | x_refsource_CONFIRMPatch |
Change history (0)
No recorded changes yet.