Critical severity9.1NVD Advisory· Published May 24, 2012· Updated Jun 16, 2026
CVE-2011-3188
CVE-2011-3188
Description
The (1) IPv4 and (2) IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values, which makes it easier for remote attackers to cause a denial of service (disrupted networking) or hijack network sessions by predicting these values and sending crafted packets.
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Affected products
3- cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
9- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1nvdMailing ListPatchVendor Advisory
- www.openwall.com/lists/oss-security/2011/08/23/2nvdMailing ListPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- github.com/torvalds/linux/commit/6e5714eaf77d79ae1c8b47e3e040ff5411b717ecnvdPatchThird Party Advisory
- github.com/torvalds/linux/commit/bc0b96b54a21246e377122d54569eef71cec535fnvdPatchThird Party Advisory
- marc.infonvdMailing ListThird Party Advisory
- git.kernel.orgnvd
- git.kernel.orgnvd
- support.f5.com/csp/article/K15301nvd
News mentions
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