CVE-2011-1927: Medium severity linux kernel vulnerability
Last updated 24 July 2024
Other sources
The ipexpire function in net/ipv4/ipfragment.c in the Linux kernel before 2.6.39 does not properly construct ICMPTIMEEXCEEDED packets after a timeout, which allows remote attackers to cause a denial of service (invalid pointer dereference) via crafted fragmented packets.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2011-1927?
CVE-2011-1927 is categorized as a denial of service vulnerability due to invalid pointer dereference.
How do I fix CVE-2011-1927?
To fix CVE-2011-1927, upgrade the Linux kernel to version 2.6.39 or later.
Which versions of the Linux kernel are affected by CVE-2011-1927?
CVE-2011-1927 affects the Linux kernel versions prior to 2.6.39.
What impact does CVE-2011-1927 have on systems?
CVE-2011-1927 allows remote attackers to cause a denial of service by sending crafted fragmented packets.
Is CVE-2011-1927 a common vulnerability found in Linux systems?
CVE-2011-1927 is a recognized and documented vulnerability that arises from improper handling of ICMP_TIME_EXCEEDED packets.