Unrated severityNVD Advisory· Published Jun 5, 2018· Updated Aug 5, 2024
CVE-2018-1000200
CVE-2018-1000200
Description
The Linux Kernel versions 4.14, 4.15, and 4.16 has a null pointer dereference which can result in an out of memory (OOM) killing of large mlocked processes. The issue arises from an oom killed process's final thread calling exit_mmap(), which calls munlock_vma_pages_all() for mlocked vmas.This can happen synchronously with the oom reaper's unmap_page_range() since the vma's VM_LOCKED bit is cleared before munlocking (to determine if any other vmas share the memory and are mlocked).
Affected products
13- osv-coords13 versionspkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-livepatch-SLE15_Update_1&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-vanilla&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015
< 4.12.14-25.3.1+ 12 more
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 1-1.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
- (no CPE)range: < 4.12.14-25.3.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
10- access.redhat.com/errata/RHSA-2018:2948mitrevendor-advisoryx_refsource_REDHAT
- usn.ubuntu.com/3752-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/3752-2/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/3752-3/mitrevendor-advisoryx_refsource_UBUNTU
- seclists.org/oss-sec/2018/q2/67mitremailing-listx_refsource_MLIST
- www.securityfocus.com/bid/104397mitrevdb-entryx_refsource_BID
- access.redhat.com/security/cve/cve-2018-1000200mitrex_refsource_CONFIRM
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/mitrex_refsource_CONFIRM
- marc.infomitremailing-listx_refsource_MLIST
- marc.infomitremailing-listx_refsource_MLIST
News mentions
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