CVE-2012-2123
The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not...
7.2 High
The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process to disable ASLR.
Exploit likelihood
0.40%Down 0.9 points since Feb 4, 2022
What each source reports
NVD Score used
The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process to disable ASLR.
- Record
CVE-2012-2123- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process to disable ASLR.
- Record
CVE-2012-2123- Updated
- 2026-11-02
EUVDEUVD-2012-2125 No score
The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process to disable ASLR.
- Record
EUVD-2012-2125- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-875p-6x4g-fjc2 No score
The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not...
The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process to disable ASLR.
- Record
GHSA-875p-6x4g-fjc2- Updated
- 2026-11-02
OSVUBUNTU-CVE-2012-2123 No score
The cap_bprm_set_creds function in security/commoncap.c in the Linux kernel before 3.3.3 does not properly handle the use of file system capabilities (aka fcaps) for implementing a privileged executable file, which allows local users to bypass intended personality restrictions via a crafted application, as demonstrated by an attack that uses a parent process to disable ASLR.
- Record
UBUNTU-CVE-2012-2123- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linux-2.6Debian:6.0 From an advisory covering 5 CVEs |
before 2.6.32-44, plus listed versions 2.6.32-302.6.32-30+m68k.52.6.32-312.6.32-31~bpo50+12.6.32-32 Show 17 moreShow less2.6.32-332.6.32-342.6.32-34squeeze12.6.32-352.6.32-35squeeze12.6.32-35squeeze22.6.32-35~bpo50+12.6.32-362.6.32-372.6.32-382.6.32-392.6.32-39squeeze12.6.32-402.6.32-412.6.32-41squeeze22.6.32-422.6.32-43 |
2.6.32-44 |
kernel-rtRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-debugRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-debug-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-debug-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-debuginfo-common-x86_64Red Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-docRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-firmwareRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
Show 71 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-rt-traceRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-trace-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-trace-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-vanillaRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-vanilla-debuginfoRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernel-rt-vanilla-develRed Hat:enterprise_mrg:2:server:el6 From an advisory covering 2 CVEs |
before 0:3.0.30-rt50.62.el6rt | 0:3.0.30-rt50.62.el6rt |
kernelRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debugRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-develRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-docRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-headersRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
perfRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
perf-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
python-perf-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
python-perfRed Hat:enterprise_linux:6::client From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernelRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debugRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-develRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-docRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-headersRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
perfRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
perf-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
python-perf-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
python-perfRed Hat:enterprise_linux:6::computenode From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernelRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-bootwrapperRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debugRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfo-common-ppc64Red Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfo-common-s390xRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-develRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-docRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-headersRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-kdumpRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-kdump-develRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
perfRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
perf-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
python-perf-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
python-perfRed Hat:enterprise_linux:6::server From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernelRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debugRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-develRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-docRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
kernel-headersRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
perfRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
perf-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
python-perf-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
python-perfRed Hat:enterprise_linux:6::workstation From an advisory covering 9 CVEs |
before 0:2.6.32-220.23.1.el6 | 0:2.6.32-220.23.1.el6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-2123 is a high vulnerability (CVSS 7.2) in Linux Kernel, published April 19, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.
References
rhn.redhat.com/errata/RHSA-2012-0743.html
kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.3
openwall.com/lists/oss-security/2012/04/20/6
debian.org/security/2012/dsa-2469
securityfocus.com/bid/53166
Show 69 moreShow less
bugzilla.redhat.com/show_bug.cgi?id=806722
github.com/torvalds/linux/commit/d52fc5dde171f030170a6cb78034d166b13c9445
securitytracker.com/id?1027072
exchange.xforce.ibmcloud.com/vulnerabilities/75043
git.kernel.org?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d52fc5dde171f030170a6cb78034d166b13c9445
nvd.nist.gov/vuln/detail/CVE-2012-2123
access.redhat.com/errata/RHSA-2012:0670
security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_0670.json
cve.org/CVERecord?id=CVE-2011-4086
docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.2_Technical_Notes/kernel.html
ubuntu.com/security/CVE-2012-2123