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CVE
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CVE-2011-0726Date: (C)2011-07-18   (M)2024-01-04


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 2.1
Exploit Score: 3.9
Impact Score: 2.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality: PARTIAL
Integrity: NONE
Availability: NONE
  
Reference:
BID-47791
RHSA-2011:0833
https://lkml.org/lkml/2011/3/11/380
http://www.spinics.net/lists/mm-commits/msg82726.html
http://downloads.avaya.com/css/P8/documents/100145416
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5883f57ca0008ffc93e09cbb9847a1928e50c6f3
http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.39/ChangeLog-2.6.39-rc1
https://bugzilla.redhat.com/show_bug.cgi?id=684569

CPE    674
cpe:/o:linux:linux_kernel:2.6.33:rc8
cpe:/o:linux:linux_kernel:2.6.33:rc7
cpe:/o:linux:linux_kernel:2.6.33:rc4
cpe:/o:linux:linux_kernel:2.6.33:rc3
...
CWE    1
CWE-20
OVAL    16
oval:org.secpod.oval:def:201587
oval:org.secpod.oval:def:700542
oval:org.secpod.oval:def:1503309
oval:org.secpod.oval:def:1503593
...

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