CVE-2017-9150

kernel: eBPF verifier log leaks lower half of map pointer

Published May 22, 2017 CVSS 3.0 · 5.5 Medium EPSS 1.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2017-18088 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.
Ubuntu USN Ubuntu USN USN-3345-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3359-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3361-1 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3364-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3364-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3364-3 Linux kernel (AWS, GKE) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 4:55 PM
Reserved
May 22, 2017, 12:00 AM
Status
Modified
Published
May 22, 2017, 10:29 PM
Modified
Jun 17, 2026, 1:27 AM
Severity
Moderate
Public date
May 8, 2017, 12:00 AM