kernel: vlan: fix panic when handling priority tagged frames
Published Jun 8, 2013
5.7
MEDIUMCVSS 2.0
EPSS 1.01%
Description
A certain Red Hat patch to the vlan_hwaccel_do_receive function in net/8021q/vlan_core.c in the Linux kernel 2.6.32 on Red Hat Enterprise Linux (RHEL) 6 allows remote attackers to cause a denial of service (system crash) via priority-tagged VLAN frames.
Affected products
No data.
- 2.6.32
- 6.0
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-131.21.1.el6
Fixed · RHSA-2011:1465
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-131.21.1.el6 | Fixed | RHSA-2011:1465 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the Linux kernels as shipped with Red Hat Enterprise Linux 4, 5, and Red Hat Enterprise MRG. It affects the Linux kernel as shipped with Red Hat Enterprise Linux 6 due to incorrect backporting of upstream patches. A future kernel update in 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:A/AC:M/Au:N/C:N/I:N/A:C
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.01% (0.01007) | 61.68th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.01% (0.01015) | 58.60th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.32% (0.00320) | 52.82th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00464) | 76.26th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.46% (0.00464) | 74.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.46% (0.00464) | 71.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.21% (0.01213) | 66.13th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.32% (0.01319) | 70.54th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (7)
- http://www.openwall.com/lists/oss-security/2012/03/05/3 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2011-3593 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=742846 x_refsource_CONFIRMVendor AdvisoryIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-3593
- https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=0e48f8daac293335e16e007663b9f4d248f89f0c x_refsource_CONFIRM
- https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=fadca7bdc43b02f518585d9547019966415cadfd x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2011-3593
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2012/03/05/3 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2011-3593 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=742846 | x_refsource_CONFIRMVendor AdvisoryIssue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-3593 | ||
| https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=0e48f8daac293335e16e007663b9f4d248f89f0c | x_refsource_CONFIRM | |
| https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=fadca7bdc43b02f518585d9547019966415cadfd | x_refsource_CONFIRM | |
| https://www.cve.org/CVERecord?id=CVE-2011-3593 |
Change history (0)
No recorded changes yet.