Out-of-bounds Read in Linux Kernel
CVE-2018-16885
A flaw was found in the Linux kernel that allows the userspace to call memcpy_fromiovecend() and similar functions with a zero offset and buffer length which causes the read beyond the buffer boundaries, in certain cases causing a memory access fault and a system halt by accessing invalid memory address. This issue only affects kernel version 3.10.x as shipped with Red Hat Enterprise Linux 7.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (35.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- The Linux Foundation Kernel — versions 3.10.x as shipped with Red Hat Enterprise Linux 7
- Redhat Enterprise_linux_server — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
Frequently asked questions
- What is CVE-2018-16885?
- CVE-2018-16885 is a medium-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 4.7/10. Published 2019-01-03.
- How severe is CVE-2018-16885?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2018-16885 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.