kernel: arm64: Strict page permission bypass
Published Dec 8, 2016
7.8
HIGHCVSS 3.1
EPSS 0.83%
Description
arch/arm64/kernel/sys.c in the Linux kernel before 4.0 allows local users to bypass the "strict page permissions" protection mechanism and modify the system-call table, and consequently gain privileges, by leveraging write access.
Affected products
No data.
Configuration 2
- ≤ 3.18.54
- ≥ 3.19 · ≤ 3.19.8
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-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-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 does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 as code with the flaw is not present in the products listed. This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG-2 as code with the flaw is not built and shipped in the products listed.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.83% (0.00833) | 56.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.83% (0.00833) | 52.70th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00072) | 19.42th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00068) | 31.93th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.07% (0.00068) | 29.80th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00068) | 27.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (8)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c623b33b4e9599c6ac5076f7db7369eb9869aa04 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- http://source.android.com/security/bulletin/2016-12-01.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/94680 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2015-8967 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1404284 Issue Tracking
- https://github.com/torvalds/linux/commit/c623b33b4e9599c6ac5076f7db7369eb9869aa04 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8967
- https://www.cve.org/CVERecord?id=CVE-2015-8967
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c623b33b4e9599c6ac5076f7db7369eb9869aa04 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| http://source.android.com/security/bulletin/2016-12-01.html | x_refsource_CONFIRMThird Party Advisory | |
| http://www.securityfocus.com/bid/94680 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2015-8967 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1404284 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/c623b33b4e9599c6ac5076f7db7369eb9869aa04 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8967 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-8967 |
Change history (0)
No recorded changes yet.