PT-2016-7126
CVE-2016-6828
·
Published
2016-08-18
·
Updated
2024-06-15
Description by
CVSS 3.1
5.5
MediumMetricsAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 4.7.5
Description
The issue is related to the
tcp check send head function in the Linux kernel, which does not properly maintain certain SACK state after a failed data copy. This allows local users to cause a denial of service, resulting in a tcp xmit retransmit queue use-after-free and system crash, via a crafted SACK option.Recommendations
For Linux kernel versions prior to 4.7.5, update to version 4.7.5 or later to resolve the issue.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
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