kernel: Information Exposure through dmesg data from a "pages/cpu" printk call
Published Aug 7, 2018
5.5
MEDIUMCVSS 3.0
EPSS 0.41%
Description
The pcpu_embed_first_chunk function in mm/percpu.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "pages/cpu" printk call.
Affected products
No data.
- ≤ 4.14.14
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 Linux 8
kernel
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 Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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
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 v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.41% (0.00408) | 32.67th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.41% (0.00408) | 34.83th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.89% (0.00888) | 25.41th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.89% (0.00888) | 0.00th | v1 |
References (11)
- http://www.securityfocus.com/bid/105049 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-5995 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1614061 Issue Tracking
- https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-5995.md x_refsource_MISCThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html mailing-listx_refsource_MLIST
- https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html mailing-listx_refsource_MLIST
- https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2018-5995
- https://seclists.org/bugtraq/2019/Aug/18 mailing-listx_refsource_BUGTRAQ
- https://www.cve.org/CVERecord?id=CVE-2018-5995
- https://www.debian.org/security/2019/dsa-4497 vendor-advisoryx_refsource_DEBIAN
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105049 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-5995 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1614061 | Issue Tracking | |
| https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-5995.md | x_refsource_MISCThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html | mailing-listx_refsource_MLIST | |
| https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html | mailing-listx_refsource_MLIST | |
| https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html | mailing-listx_refsource_MLIST | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-5995 | ||
| https://seclists.org/bugtraq/2019/Aug/18 | mailing-listx_refsource_BUGTRAQ | |
| https://www.cve.org/CVERecord?id=CVE-2018-5995 | ||
| https://www.debian.org/security/2019/dsa-4497 | vendor-advisoryx_refsource_DEBIAN |
Change history (0)
No recorded changes yet.