CVE-2017-7482

Description

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.

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5f2f97656ada8d811d3c1bef503ced266fcd53a0

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7482

http://seclists.org/oss-sec/2017/q2/602

https://www.debian.org/security/2017/dsa-3945

https://www.debian.org/security/2017/dsa-3927

http://www.securitytracker.com/id/1038787

http://www.securityfocus.com/bid/99299

https://access.redhat.com/errata/RHSA-2019:0641

Details

Risk Information

CVSS v2

CVSS v3