CVE-2009-1961

Public Exploit

Description

The inode double locking code in fs/ocfs2/file.c in the Linux kernel 2.6.30 before 2.6.30-rc3, 2.6.27 before 2.6.27.24, 2.6.29 before 2.6.29.4, and possibly other versions down to 2.6.19 allows local users to cause a denial of service (prevention of file creation and removal) via a series of splice system calls that trigger a deadlock between the generic_file_splice_write, splice_from_pipe, and ocfs2_file_splice_write functions.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.13%
Vendor Advisory mandriva.com Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/35390 third party advisory broken link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:135 vendor advisory broken link
http://www.mandriva.com/security/advisories?name=MDVSA-2009:148 vendor advisory broken link
http://secunia.com/advisories/35656 third party advisory broken link
http://www.debian.org/security/2009/dsa-1844 mailing list patch vendor advisory
http://securitytracker.com/id?1022307 vdb entry third party advisory broken link
http://www.openwall.com/lists/oss-security/2009/06/02/2 mailing list exploit
http://www.redhat.com/support/errata/RHSA-2009-1157.html vendor advisory broken link
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html mailing list vendor advisory
http://secunia.com/advisories/36051 third party advisory broken link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=7bfac9ecf0585962fe13584f5cf526d8c8e76f17 broken link
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html mailing list vendor advisory
http://www.ubuntu.com/usn/usn-793-1 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2009/05/30/1 mailing list exploit patch
http://www.securityfocus.com/bid/35143 exploit vdb entry third party advisory broken link
http://www.openwall.com/lists/oss-security/2009/06/03/1 mailing list exploit
http://www.openwall.com/lists/oss-security/2009/05/29/2 mailing list patch
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00004.html mailing list vendor advisory
http://secunia.com/advisories/35394 third party advisory broken link
http://secunia.com/advisories/35847 third party advisory broken link

Frequently Asked Questions

What is the severity of CVE-2009-1961?
CVE-2009-1961 has been scored as a medium severity vulnerability.
How to fix CVE-2009-1961?
To fix CVE-2009-1961, 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-2009-1961 being actively exploited in the wild?
It is possible that CVE-2009-1961 is being exploited or will be exploited in a near future based on public information. 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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