CVE-2011-2723

Description

The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4, when Generic Receive Offload (GRO) is enabled, resets certain fields in incorrect situations, which allows remote attackers to cause a denial of service (system crash) via crafted network traffic.

Category

5.7
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.84% Top 30%
Vendor Advisory redhat.com Vendor Advisory marc.info
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=726552 issue tracking third party advisory patch
http://www.redhat.com/support/errata/RHSA-2011-1321.html third party advisory vendor advisory
http://openwall.com/lists/oss-security/2011/07/29/1 mailing list third party advisory patch
http://securitytracker.com/id?1025876 vdb entry third party advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=17dd759c67f21e34f2156abcf415e1f60605a188
http://openwall.com/lists/oss-security/2011/07/28/13 mailing list third party advisory patch
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4 broken link
http://www.securityfocus.com/bid/48929 vdb entry third party advisory
http://marc.info/?l=bugtraq&m=139447903326211&w=2 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2011-2723?
CVE-2011-2723 has been scored as a medium severity vulnerability.
How to fix CVE-2011-2723?
To fix CVE-2011-2723, 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-2011-2723 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-2723 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.