CVE-2009-2691

Description

The mm_for_maps function in fs/proc/base.c in the Linux kernel 2.6.30.4 and earlier allows local users to read (1) maps and (2) smaps files under proc/ via vectors related to ELF loading, a setuid process, and a race condition.

Category

2.1
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory secunia.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lkml.org/lkml/2009/6/23/653 patch mailing list
http://secunia.com/advisories/36265 third party advisory vendor advisory
http://lkml.org/lkml/2009/6/23/652 mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=516171
https://rhn.redhat.com/errata/RHSA-2009-1540.html vendor advisory
http://www.securityfocus.com/bid/36019 vdb entry
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=00f89d218523b9bf6b522349c039d5ac80aa536d
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=704b836cbf19e885f8366bccb2e4b0474346c02d
http://www.openwall.com/lists/oss-security/2009/08/11/1 mailing list
http://marc.info/?l=linux-kernel&m=124718946021193 patch mailing list
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html vendor advisory
http://www.vupen.com/english/advisories/2009/2246 vdb entry vendor advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13f0feafa6b8aead57a2a328e2fca6a5828bf286
http://secunia.com/advisories/36501 third party advisory
http://www.debian.org/security/2010/dsa-2005 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/52401 vdb entry
http://marc.info/?l=linux-kernel&m=124718949821250 patch mailing list

Frequently Asked Questions

What is the severity of CVE-2009-2691?
CVE-2009-2691 has been scored as a low severity vulnerability.
How to fix CVE-2009-2691?
To fix CVE-2009-2691, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-2691 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2009-2691 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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