CVE-2018-7740

The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.

• CWE-119

• http://www.securityfocus.com/bid/103316Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
• https://bugzilla.kernel.org/show_bug.cgi?id=199037Exploit, Issue Tracking, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/3910-1/Third Party Advisory
• https://usn.ubuntu.com/3910-2/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4187Third Party Advisory
• https://www.debian.org/security/2018/dsa-4188Third Party Advisory
• http://www.securityfocus.com/bid/103316Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
• https://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
• https://bugzilla.kernel.org/show_bug.cgi?id=199037Exploit, Issue Tracking, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/3910-1/Third Party Advisory
• https://usn.ubuntu.com/3910-2/Third Party Advisory
• https://www.debian.org/security/2018/dsa-4187Third Party Advisory
• https://www.debian.org/security/2018/dsa-4188Third Party Advisory

Published

Mar 7, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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