kernel: net: slab corruption due to improper synchronization around inet->opt
Published Oct 3, 2012
5.9
MEDIUMCVSS 3.1
EPSS 2.85%
Description
Race condition in the IP implementation in the Linux kernel before 3.0 might allow remote attackers to cause a denial of service (slab corruption and system crash) by sending packets to an application that sets socket options during the handling of network traffic.
Affected products
No data.
Configuration 1
- < 3.0
Configuration 2
- 6.2
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-308.24.1.el5
Fixed · RHSA-2012:1540
Red Hat Enterprise Linux 6
kernel-0:2.6.32-279.9.1.el6
Fixed · RHSA-2012:1304
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-308.24.1.el5 | Fixed | RHSA-2012:1540 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-279.9.1.el6 | Fixed | RHSA-2012:1304 |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5. This issue did affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 6. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterpise MRG 2.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.85% (0.02850) | 86.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.85% (0.02850) | 84.83th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.04% (0.02043) | 82.24th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.03% (0.05027) | 82.53th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.56% (0.01561) | 80.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.48% (0.01477) | 87.31th | v3 (v2023.03.01) |
| May 17, 2024 | 1.48% (0.01477) | 86.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.48% (0.01477) | 84.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.32% (0.01319) | 70.74th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.97% (0.01974) | 78.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (9)
- http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0 x_refsource_CONFIRMBroken Link
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f6d8bd051c391c1c0458a30b2a7abcd939329259 x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2012-1540.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.openwall.com/lists/oss-security/2012/08/31/11 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2012-3552 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=853465 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/f6d8bd051c391c1c0458a30b2a7abcd939329259 x_refsource_CONFIRMPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2012-3552
- https://www.cve.org/CVERecord?id=CVE-2012-3552
| Link | Providers | Tags |
|---|---|---|
| http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0 | x_refsource_CONFIRMBroken Link | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f6d8bd051c391c1c0458a30b2a7abcd939329259 | x_refsource_CONFIRM | |
| http://rhn.redhat.com/errata/RHSA-2012-1540.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2012/08/31/11 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2012-3552 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=853465 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://github.com/torvalds/linux/commit/f6d8bd051c391c1c0458a30b2a7abcd939329259 | x_refsource_CONFIRMPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-3552 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-3552 |
Change history (0)
No recorded changes yet.