The fork implementation in the Linux kernel before 4.5 on...
Vulnerability Description
The fork implementation in the Linux kernel before 4.5 on s390 platforms mishandles the case of four page-table levels, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact via a crafted application, related to arch/s390/include/asm/mmu_context.h and arch/s390/include/asm/pgalloc.h.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3446c13b268af86391d06611327006b059b8bab1
- http://rhn.redhat.com/errata/RHSA-2016-2766.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- https://github.com/torvalds/linux/commit/3446c13b268af86391d06611327006b059b8bab1
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
- https://security-tracker.debian.org/tracker/CVE-2016-2143
- http://www.debian.org/security/2016/dsa-3607
- http://rhn.redhat.com/errata/RHSA-2016-1539.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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