# CVE-2011-1163: The osf\_partition function in fs/partitions/osf.c in the Linux kernel before 2.6.38 does not properly handle an invalid number of partitions

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-04-10 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The osf_partition function in fs/partitions/osf.c in the Linux kernel before 2.6.38 does not properly handle an invalid number of partitions, which might allow local users to obtain potentially sensitive information from kernel heap memory via vectors related to partition-table parsing.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
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## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.spinics.net/lists/mm-commits/msg82737.html
- http://www.securityfocus.com/bid/46878
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1eafbfeb7bdf59cfe173304c76188f3fd5f1fd05
- https://bugzilla.redhat.com/show_bug.cgi?id=688021
- http://securityreason.com/securityalert/8189
- http://securitytracker.com/id?1025225
- http://openwall.com/lists/oss-security/2011/03/15/14
- http://rhn.redhat.com/errata/RHSA-2011-0833.html
- http://openwall.com/lists/oss-security/2011/03/15/9
- http://www.pre-cert.de/advisories/PRE-SA-2011-02.txt
- http://downloads.avaya.com/css/P8/documents/100145416
- http://www.securityfocus.com/archive/1/517050
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html

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