kernel: heap contents leak for CAP_NET_ADMIN via ethtool ioctl
Published Jul 18, 2011
5.5
MEDIUMCVSS 3.1
EPSS 0.40%
Description
net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability for an ethtool ioctl call.
Affected products
No data.
Configuration 1
- < 2.6.36
Configuration 3
- 8.04
No data.
MRG for RHEL-5
kernel-rt-0:2.6.33.7-rt29.55.el5rt
Fixed · RHSA-2011:0330
Red Hat Enterprise Linux 4
kernel-0:2.6.9-100.EL
Fixed · RHSA-2011:0263
Red Hat Enterprise Linux 5
kernel-0:2.6.18-238.5.1.el5
Fixed · RHSA-2011:0303
Red Hat Enterprise Linux 6
kernel-0:2.6.32-71.24.1.el6
Fixed · RHSA-2011:0421
| Product | Package | State | Advisory |
|---|---|---|---|
| MRG for RHEL-5 | kernel-rt-0:2.6.33.7-rt29.55.el5rt | Fixed | RHSA-2011:0330 |
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-100.EL | Fixed | RHSA-2011:0263 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-238.5.1.el5 | Fixed | RHSA-2011:0303 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-71.24.1.el6 | Fixed | RHSA-2011:0421 |
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:N/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/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 2, 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 2, 2026 | 0.40% (0.00397) | 31.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00400) | 31.57th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00046) | 11.21th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00052) | 22.07th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.05% (0.00052) | 20.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00052) | 18.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (17)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b00916b189d13a615ff05c9242201135992fcda3 x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2011/01/24/9 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/3 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/4 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/5 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/28/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://secunia.com/advisories/46397 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36 x_refsource_CONFIRMBroken Link
- http://www.securityfocus.com/archive/1/520102/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/45972 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1146-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html x_refsource_CONFIRMThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2010-4655 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=672428 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lkml.org/lkml/2010/10/7/297 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2010-4655
- https://www.cve.org/CVERecord?id=CVE-2010-4655
Change history (0)
No recorded changes yet.