PT-2016-7534 · Linux+3 · Linux Kernel+3
Qian Zhang
·
Published
2016-11-27
·
Updated
2023-02-12
·
CVE-2016-8632
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 4.8.12
Description
The issue is related to a heap-based buffer overflow in the Linux kernel, which can be exploited by local users to gain privileges or cause a denial of service. This is due to the
tipc msg build function in net/tipc/msg.c not validating the relationship between the minimum fragment length and the maximum packet size. The exploitation of this issue is possible by leveraging the CAP NET ADMIN capability.Recommendations
For Linux kernel versions prior to 4.8.12, update to version 4.8.12 or later to resolve the issue.
Fix
DoS
Buffer Overflow
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Related Identifiers
Affected Products
Alt Linux
Linux Kernel
Suse
Ubuntu