CVE-2018-16885

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-01-03 · updated 2026-06-17
Weakness: CWE-125

Description

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.

Affected products

Linux kernel: from 3.10.0 through 3.10.90
RedHat Enterprise Linux Server: 7.0

References

http://www.securityfocus.com/bid/106296
https://access.redhat.com/errata/RHSA-2019:2029
https://access.redhat.com/errata/RHSA-2019:2043
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16885
http://www.securityfocus.com/bid/106296
https://access.redhat.com/errata/RHSA-2019:2029
https://access.redhat.com/errata/RHSA-2019:2043
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16885

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