CVE-2010-1643

Description

mm/shmem.c in the Linux kernel before 2.6.28-rc3, when strict overcommit is enabled, does not properly handle the export of shmemfs objects by knfsd, which allows attackers to cause a denial of service (NULL pointer dereference and knfsd crash) or possibly have unspecified other impact via unknown vectors.

6.9

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 0.09%

Vendor Advisory opensuse.org Vendor Advisory mandriva.com Vendor Advisory secunia.com Vendor Advisory vupen.com

Affected: n/a n/a

References

Link	Tags
http://www.openwall.com/lists/oss-security/2010/05/26/6	mailing list
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=731572d39fcd3498702eda4600db4c43d51e0b26
http://www.openwall.com/lists/oss-security/2010/05/26/2	mailing list
http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00006.html	vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198	vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=595970
http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.28/ChangeLog-2.6.28-rc3
http://secunia.com/advisories/40645	third party advisory vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/58957	vdb entry
http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-knfsd-9666
http://www.securityfocus.com/bid/40377	vdb entry
http://www.vupen.com/english/advisories/2010/1857	vdb entry vendor advisory

Frequently Asked Questions

What is the severity of CVE-2010-1643?: CVE-2010-1643 has been scored as a medium severity vulnerability.
How to fix CVE-2010-1643?: To fix CVE-2010-1643, 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-2010-1643 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2010-1643 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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