Medium severity5.5NVD Advisory· Published Mar 7, 2018· Updated Jun 17, 2026
CVE-2018-7740
CVE-2018-7740
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
39- osv-coords38 versionspkg:rpm/suse/kernel-default&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP3pkg:rpm/suse/kernel-default&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-source&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/kernel-syms&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2012%20SP3pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_21&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_21&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_21&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_21&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/kgraft-patch-SLE12-SP2_Update_21&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/kgraft-patch-SLE12-SP3_Update_11&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP3
< 4.4.121-92.73.1+ 37 more
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.128-3.11.1
- (no CPE)range: < 4.4.128-3.11.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.2
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.2
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.2
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.128-3.11.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.126-94.22.1
- (no CPE)range: < 4.4.121-92.73.1
- (no CPE)range: < 4.4.128-3.11.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-3.3.1
- (no CPE)range: < 1-4.5.1
Patches
Vulnerability mechanics
References
9- bugzilla.kernel.org/show_bug.cginvdExploitIssue TrackingThird Party Advisory
- www.securityfocus.com/bid/103316nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2018:3083nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:3096nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlnvdMailing ListThird Party Advisory
- usn.ubuntu.com/3910-1/nvdThird Party Advisory
- usn.ubuntu.com/3910-2/nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4187nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4188nvdThird Party Advisory
News mentions
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