CVE-2017-17864
kernel: information disclosure via pointer leak in kernel/bpf/verifier.c
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · December 23, 2017
Updated · May 13, 2026
Description
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."
Statement
This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 6.2CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
CVSS 2.0 · 5.2AV:L/AC:H/Au:N/C:P/I:P/A:C
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor