kernel: eBPF verifier log leaks lower half of map pointer
Published May 22, 2017
5.5
MEDIUMCVSS 3.0
EPSS 1.26%
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.
Affected products
No data.
- ≤ 4.10.9
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat 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.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
AV:L/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.26% (0.01261) | 68.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.26% (0.01261) | 65.67th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.57% (0.00573) | 66.78th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00053) | 22.86th | v3 (v2023.03.01) |
| Jun 10, 2024 | 0.05% (0.00053) | 20.81th | v3 (v2023.03.01) |
| May 8, 2023 | 0.05% (0.00053) | 18.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00076) | 30.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.11% (0.02115) | 80.01th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.11% (0.02115) | 78.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.11% (0.02115) | 56.78th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.86% (0.03864) | 72.85th | v1 |
| Jan 6, 2022 | 3.86% (0.03864) | 72.60th | v1 |
| Sep 1, 2021 | 3.86% (0.03864) | 83.03th | v1 |
| Apr 14, 2021 | 3.86% (0.03864) | 0.00th | v1 |
References (12)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0e57697f162da4aa218b5feafe614fb666db07 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.1 x_refsource_MISCRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/98635 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2017-9150 Vendor Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1251 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1454647 Issue Tracking
- https://github.com/torvalds/linux/commit/0d0e57697f162da4aa218b5feafe614fb666db07 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-9150
- https://packetstormsecurity.com/files/142630/GS20170523000807.txt
- https://source.android.com/security/bulletin/2017-09-01 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2017-9150
- https://www.exploit-db.com/exploits/42048/ exploitx_refsource_EXPLOIT-DB
Change history (0)
No recorded changes yet.