Kernel: net: PID spoofing privilege escalation flaw
Published Sep 25, 2013
7.2
HIGHCVSS 2.0
EPSS 0.42%
Description
The scm_check_creds function in net/core/scm.c in the Linux kernel before 3.11 performs a capability check in an incorrect namespace, which allows local users to gain privileges via PID spoofing.
Affected products
No data.
- ≥ 3.8.6 · < 3.9
- 3.9
- 3.9
- 3.9
- 3.9
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not 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 Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. 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:L/Au:N/C:C/I:C/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 3, 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 3, 2026 | 0.42% (0.00422) | 34.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.42% (0.00422) | 33.49th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00042) | 9.92th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 11.63th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.04% (0.00043) | 9.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00043) | 7.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (10)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d661684cf6820331feae71146c35da83d794467e x_refsource_CONFIRMBroken Link
- http://www.openwall.com/lists/oss-security/2013/09/05/3 mailing-listx_refsource_MLISTExploitMailing ListPatch
- http://www.ubuntu.com/usn/USN-1995-1 vendor-advisoryx_refsource_UBUNTUThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1998-1 vendor-advisoryx_refsource_UBUNTUThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2013-4300 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1004736 x_refsource_CONFIRMExploitIssue TrackingPatch
- https://github.com/torvalds/linux/commit/d661684cf6820331feae71146c35da83d794467e x_refsource_CONFIRMExploitPatch
- https://nvd.nist.gov/vuln/detail/CVE-2013-4300
- https://www.cve.org/CVERecord?id=CVE-2013-4300
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.11.bz2 x_refsource_CONFIRMPatch
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d661684cf6820331feae71146c35da83d794467e | x_refsource_CONFIRMBroken Link | |
| http://www.openwall.com/lists/oss-security/2013/09/05/3 | mailing-listx_refsource_MLISTExploitMailing ListPatch | |
| http://www.ubuntu.com/usn/USN-1995-1 | vendor-advisoryx_refsource_UBUNTUThird Party AdvisoryVDB Entry | |
| http://www.ubuntu.com/usn/USN-1998-1 | vendor-advisoryx_refsource_UBUNTUThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2013-4300 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1004736 | x_refsource_CONFIRMExploitIssue TrackingPatch | |
| https://github.com/torvalds/linux/commit/d661684cf6820331feae71146c35da83d794467e | x_refsource_CONFIRMExploitPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4300 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4300 | ||
| https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.11.bz2 | x_refsource_CONFIRMPatch |
Change history (0)
No recorded changes yet.