CVE-2018-20511

An issue was discovered in the Linux kernel before 4.18.11. The ipddp_ioctl function in drivers/net/appletalk/ipddp.c allows local users to obtain sensitive kernel address information by leveraging CAP_NET_ADMIN to read the ipddp_route dev and next fields via an SIOCFINDIPDDPRT ioctl call.

• CWE-200

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9824dfae5741275473a23a7ed5756c7b6efacc9dPatch, Vendor Advisory
• http://www.securityfocus.com/bid/106347Third Party Advisory, VDB Entry
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.11Release Notes, Vendor Advisory
• https://github.com/torvalds/linux/commit/9824dfae5741275473a23a7ed5756c7b6efacc9dPatch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
• https://lkml.org/lkml/2018/9/27/480Patch, Third Party Advisory
• https://usn.ubuntu.com/4094-1/
• https://usn.ubuntu.com/4118-1/
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9824dfae5741275473a23a7ed5756c7b6efacc9dPatch, Vendor Advisory
• http://www.securityfocus.com/bid/106347Third Party Advisory, VDB Entry
• https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.11Release Notes, Vendor Advisory
• https://github.com/torvalds/linux/commit/9824dfae5741275473a23a7ed5756c7b6efacc9dPatch, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
• https://lkml.org/lkml/2018/9/27/480Patch, Third Party Advisory
• https://usn.ubuntu.com/4094-1/
• https://usn.ubuntu.com/4118-1/

Published

Dec 27, 2018

Last Modified

Jun 17, 2026

Status

Modified

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