CVE-2011-0726
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not...
2.1 LowFix available
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the start_code and end_code fields in the /proc/#####/stat file for a process executing a PIE binary.
Exploit likelihood
0.34%Down 0.8 points since Feb 4, 2022
What each source reports
NVD Score used
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the start_code and end_code fields in the /proc/#####/stat file for a process executing a PIE binary.
- Record
CVE-2011-0726- CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the start_code and end_code fields in the /proc/#####/stat file for a process executing a PIE binary.
- Record
CVE-2011-0726- Updated
- 2026-11-02
EUVDEUVD-2011-0740 No score
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the start_code and end_code fields in the /proc/#####/stat file for a process executing a PIE binary.
- Record
EUVD-2011-0740- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mf4m-pc7p-jjhw No score
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not...
The do_task_stat function in fs/proc/array.c in the Linux kernel before 2.6.39-rc1 does not perform an expected uid check, which makes it easier for local users to defeat the ASLR protection mechanism by reading the start_code and end_code fields in the /proc/#####/stat file for a process executing a PIE binary.
- Record
GHSA-mf4m-pc7p-jjhw- Weakness
- CWE-20
- Updated
- 2026-11-02
OSVBELL-CVE-2011-0726
CVE-2011-0726 does not affect BellSoft software
- Record
BELL-CVE-2011-0726- CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linux-2.6Debian:6.0 |
before 2.6.32-34squeeze1, plus listed versions 2.6.32-302.6.32-30+m68k.52.6.32-312.6.32-31~bpo50+12.6.32-322.6.32-332.6.32-34 |
2.6.32-34squeeze1 |
linux-2.6Debian:5.0 |
before 2.6.26-26lenny3, plus listed versions 2.6.26-132.6.26-13lenny22.6.26-13lenny2~bpo40+12.6.26-142.6.26-15 Show 34 moreShow less2.6.26-15lenny12.6.26-15lenny22.6.26-15lenny32.6.26-15~bpo40+12.6.26-15~bpo40+22.6.26-162.6.26-172.6.26-17lenny12.6.26-17lenny22.6.26-17lenny2~bpo40+12.6.26-17~bpo40+12.6.26-182.6.26-192.6.26-19lenny12.6.26-19lenny22.6.26-19~bpo40+12.6.26-202.6.26-20~bpo40+12.6.26-212.6.26-21lenny12.6.26-21lenny22.6.26-21lenny32.6.26-21lenny42.6.26-21~bpo40+12.6.26-222.6.26-22lenny12.6.26-232.6.26-242.6.26-24lenny12.6.26-252.6.26-25lenny12.6.26-262.6.26-26lenny12.6.26-26lenny2 |
2.6.26-26lenny3 |
kernelRed Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debugRed Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-develRed Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
Show 74 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-docRed Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
perfRed Hat:enterprise_linux:6::client |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernelRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debugRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-develRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-docRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
perfRed Hat:enterprise_linux:6::computenode |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernelRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-bootwrapperRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debugRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfo-common-ppc64Red Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfo-common-s390xRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-develRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-docRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-kdumpRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-kdump-develRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
perfRed Hat:enterprise_linux:6::server |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernelRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debugRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debug-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debug-develRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfo-common-i686Red Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-debuginfo-common-x86_64Red Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-develRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-docRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-firmwareRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
perfRed Hat:enterprise_linux:6::workstation |
before 0:2.6.32-71.29.1.el6 | 0:2.6.32-71.29.1.el6 |
kernel-rtRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-debugRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-debug-debuginfoRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-debug-develRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-debuginfoRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-debuginfo-commonRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-develRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-docRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-traceRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-trace-debuginfoRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-trace-develRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-vanillaRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-vanilla-debuginfoRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernel-rt-vanilla-develRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
perfRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
perf-debuginfoRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.33.9-rt31.64.el5rt | 0:2.6.33.9-rt31.64.el5rt |
kernelRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-PAERed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-debugRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-debug-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-debug-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-debuginfo-commonRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-docRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-kdumpRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-kdump-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-xenRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-238.12.1.el5 | 0:2.6.18-238.12.1.el5 |
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2011-0726 is a low vulnerability (CVSS 2.1) in Linux Kernel, published May 23, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in linux-2.6 2.6.32-34squeeze1.
References
spinics.net/lists/mm-commits/msg82726.html
bugzilla.redhat.com/show_bug.cgi?id=684569
securityfocus.com/bid/47791
git.kernel.org?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5883f57ca0008ffc93e09cbb9847a1928e50c6f3
kernel.org/pub/linux/kernel/v2.6/testing/v2.6.39/ChangeLog-2.6.39-rc1
rhn.redhat.com/errata/RHSA-2011-0833.html
Show 141 moreShow less
downloads.avaya.com/css/P8/documents/100145416
lkml.org/lkml/2011/3/11/380
nvd.nist.gov/vuln/detail/CVE-2011-0726
github.com/advisories/GHSA-mf4m-pc7p-jjhw
docs.bell-sw.com/security/cves/CVE-2011-0726
access.redhat.com/errata/RHSA-2011:0498
docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Technical_Notes/ape.html
security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_0498.json
cve.org/CVERecord?id=CVE-2010-4250