CVE-2017-9150

kernel: eBPF verifier log leaks lower half of map pointer

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Severity

Moderate

Red Hat Product Security

3.3

CVSS 3.0

Review impact separately from score.

Published · May 8, 2017

Updated · May 13, 2026

Description

The do_check function in kernel/bpf/verifier.c in the Linux kernel before 4.11.1 does not make the allow_ptr_leaks value available for restricting the output of the print_bpf_insn function, which allows local users to obtain sensitive address information via crafted bpf system calls.

Statement

This issue did not affect the versions of the kernel as shipped with Red Hat Enterprise Linux 5, 6,7 and MRG2/realtime kernels.

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 · 3.3
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor