kernel: net/packet/af_packet.c: reading uninitialized stack memory
Published Jan 3, 2011
1.9
LOWCVSS 2.0
EPSS 0.38%
Description
net/packet/af_packet.c in the Linux kernel before 2.6.37-rc2 does not properly initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel stack memory by leveraging the CAP_NET_RAW capability to read copies of the applicable structures.
Affected products
No data.
Configuration 1
- < 2.6.37
- 2.6.37
- 2.6.37
Configuration 2
- 11.2
- 11.3
- 10
- 11
- 9
- 10
- 10
Configuration 3
- 5.0
No data.
MRG for RHEL-5
kernel-rt-0:2.6.33.7-rt29.47.el5rt
Fixed · RHSA-2010:0958
Red Hat Enterprise Linux 4
kernel-0:2.6.9-89.35.1.EL
Fixed · RHSA-2011:0162
Red Hat Enterprise Linux 5
kernel-0:2.6.18-194.32.1.el5
Fixed · RHSA-2011:0004
Red Hat Enterprise Linux 6
kernel-0:2.6.32-71.14.1.el6
Fixed · RHSA-2011:0007
| Product | Package | State | Advisory |
|---|---|---|---|
| MRG for RHEL-5 | kernel-rt-0:2.6.33.7-rt29.47.el5rt | Fixed | RHSA-2010:0958 |
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-89.35.1.EL | Fixed | RHSA-2011:0162 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-194.32.1.el5 | Fixed | RHSA-2011:0004 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-71.14.1.el6 | Fixed | RHSA-2011:0007 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue is not planned to be fixed in Red Hat Enterprise Linux 3, due to this product being in Extended Life Cycle Phase of its maintenance life-cycle, where only qualified security errata of critical impact are addressed. For further information about the Errata Support Policy, visit: http://www.redhat.com/security/updates/errata
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 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 | 0.38% (0.00377) | 29.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00377) | 29.24th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00058) | 15.22th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | 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 (26)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=67286640f638f5ad41a946b9a3dc75327950248f x_refsource_CONFIRM
- http://marc.info/?l=linux-netdev&m=128854507220908&w=2 mailing-listx_refsource_MLISTPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/02/10 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/02/12 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/02/7 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/02/9 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2010/11/04/5 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://secunia.com/advisories/42789 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/42890 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/42963 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/46397 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://www.debian.org/security/2010/dsa-2126 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2 x_refsource_CONFIRMBroken Link
- http://www.redhat.com/support/errata/RHSA-2010-0958.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0004.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0007.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0162.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/archive/1/520102/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/44630 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html x_refsource_CONFIRMThird Party Advisory
- http://www.vupen.com/english/advisories/2011/0024 vdb-entryx_refsource_VUPENThird Party Advisory
- http://www.vupen.com/english/advisories/2011/0168 vdb-entryx_refsource_VUPENThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2010-3876 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=649715 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2010-3876
- https://www.cve.org/CVERecord?id=CVE-2010-3876
Change history (0)
No recorded changes yet.