CVE-2019-11599
HIGHDescription
The coredump implementation in the Linux kernel before 5.0.10 does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs, which allows local users to obtain sensitive information, cause a denial of service, or possibly have unspecified other impact by triggering a race condition with mmget_not_zero or get_task_mm calls. This is related to fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, and drivers/infiniband/core/uverbs_main.c.
How to fix
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 58% of all known CVEs.
References
- lists.opensuse.org
- lists.opensuse.org
- packetstormsecurity.com
- openwall.com
- openwall.com
- openwall.com
- securityfocus.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- access.redhat.com
- lists.debian.org
- seclists.org
- seclists.org
- security.netapp.com
- security.netapp.com
- support.f5.com
- support.f5.com
- usn.ubuntu.com
- usn.ubuntu.com
- usn.ubuntu.com
- usn.ubuntu.com
- usn.ubuntu.com
- debian.org
- oracle.com
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.