CVE-2017-17863
kernel: integer overflow in static int check_alu_op function in bpf/verifier.c
Severity
ModerateRed 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 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.
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-190 · Integer Overflow or Wraparound