CVE-2012-2123
High
Description
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.
SeverityHigh
CVSS7.2
Exploit probability—
Product
Linux Kernel
PublishedMay 17, 2012
First seenMay 17, 2012
How to fix
Update
- linux linux_kernel3.0.29, 3.2.16, 3.3.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.0.29, 3.1 ≤ v < 3.2.16, 3.3 ≤ v < 3.3.3 | 3.0.29, 3.2.16, 3.3.3 |
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