Vulnerability Monitor

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CVE-2011-2723

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.

Published

2011-09-06T15:55:08.337

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.7 (MEDIUM)

CVSSv2 Vector

AV:A/AC:M/Au:N/C:N/I:N/A:C

Access Vector: ADJACENT_NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

5.5

Impact Score

6.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.39.4	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=17dd759c67f21e34f2156abcf415e1f60605a188 ([email protected])
http://marc.info/?l=bugtraq&m=139447903326211&w=2 Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/07/28/13 Mailing List, Patch, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/07/29/1 Mailing List, Patch, Third Party Advisory ([email protected])
http://securitytracker.com/id?1025876 Third Party Advisory, VDB Entry ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4 Broken Link ([email protected])
http://www.redhat.com/support/errata/RHSA-2011-1321.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/48929 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=726552 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=17dd759c67f21e34f2156abcf415e1f60605a188 (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=139447903326211&w=2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/07/28/13 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/07/29/1 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1025876 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.redhat.com/support/errata/RHSA-2011-1321.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/48929 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=726552 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)