CVE-2017-7482

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

Vendor	Product	Versions
[UNKNOWN]	kernel:	4.12

References

http://seclists.org/oss-sec/2017/q2/602Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/99299Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038787Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:0641Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7482Issue Tracking, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5f2f97656ada8d811d3c1bef503ced266fcd53a0Patch, Vendor Advisory
https://www.debian.org/security/2017/dsa-3927Third Party Advisory
https://www.debian.org/security/2017/dsa-3945Third Party Advisory
http://seclists.org/oss-sec/2017/q2/602Mailing List, Patch, Third Party Advisory
http://www.securityfocus.com/bid/99299Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038787Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:0641Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7482Issue Tracking, Patch, Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5f2f97656ada8d811d3c1bef503ced266fcd53a0Patch, Vendor Advisory
https://www.debian.org/security/2017/dsa-3927Third Party Advisory
https://www.debian.org/security/2017/dsa-3945Third Party Advisory

Timeline

Published: Jul 30, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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