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CVE-2013-4270

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not...

3.6 LowFix available

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Exploit likelihood

0.55%Down 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 3.6

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Record
CVE-2013-4270
CVSS 2.0
3.6 LowAV:L/AC:L/Au:N/C:P/I:P/A:N
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Record
CVE-2013-4270
Updated
2026-11-02
EUVDEUVD-2013-4170 No score

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Record
EUVD-2013-4170
Updated
2026-11-03
GitHub AdvisoriesGHSA-6f76-xg48-m996 No score

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not...

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Record
GHSA-6f76-xg48-m996
Weakness
CWE-20
Updated
2026-11-02
OSV No score

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Record
CVE-2013-4270
Updated
2026-11-02
OSVDEBIAN-CVE-2013-4270 No score

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Record
DEBIAN-CVE-2013-4270
Updated
2026-11-02
OSVUBUNTU-CVE-2013-4270 No score

The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.

Record
UBUNTU-CVE-2013-4270
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
linux
Debian:12
 before 3.11.5-1
3.11.5-1
linux
Debian:13
 before 3.11.5-1
3.11.5-1
linux
Debian:14
 before 3.11.5-1
3.11.5-1
kernel-rt
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-debug
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-debug-debuginfo
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-debug-devel
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-debuginfo
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-debuginfo-common-x86_64
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-devel
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
Show 8 moreShow less
Affected packages
PackageAffectedFixed
kernel-rt-doc
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-firmware
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-trace
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-trace-debuginfo
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-trace-devel
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-vanilla
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-vanilla-debuginfo
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt
kernel-rt-vanilla-devel
Red Hat:enterprise_mrg:2:server:el6
From an advisory covering 7 CVEs
 before 0:3.8.13-rt27.33.el6rt
0:3.8.13-rt27.33.el6rt

History

History
RecordedChangedSources
affected, facts
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2013-4270 is a low vulnerability (CVSS 3.6) in Linux Kernel, published November 8, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. Fixed in linux 3.11.5-1.

References

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