CVE-2011-1927

N/A Unknown
Published: June 13, 2012 Modified: April 29, 2026
View on NVD

Description

The ip_expire function in net/ipv4/ip_fragment.c in the Linux kernel before 2.6.39 does not properly construct ICMP_TIME_EXCEEDED packets after a timeout, which allows remote attackers to cause a denial of service (invalid pointer dereference) via crafted fragmented packets.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
Source: secalert@redhat.com
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=64f3b9e203bd06855072e295557dca1485a2ecba
Source: secalert@redhat.com
http://www.openwall.com/lists/oss-security/2011/05/18/2
Source: secalert@redhat.com
https://github.com/torvalds/linux/commit/64f3b9e203bd06855072e295557dca1485a2ecba
Source: secalert@redhat.com
Exploit Patch
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
Source: af854a3a-2127-422b-91ae-364da2661108
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=64f3b9e203bd06855072e295557dca1485a2ecba
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2011/05/18/2
Source: af854a3a-2127-422b-91ae-364da2661108
https://github.com/torvalds/linux/commit/64f3b9e203bd06855072e295557dca1485a2ecba
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Patch

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
2.6%
83th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

linux