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CVE-2017-7482

In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field.

Impact

In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
before 3.2.90
from 3.3 before 3.10.108
from 3.11 before 3.16.45
from 3.17 before 3.18.59
from 3.19 before 4.1.43
from 4.2 before 4.4.75
DebianDebian Linux
Versions 8.0, 9.0
RedhatEnterprise Mrg
Version 2.0

Weakness classification

CWE-190

References