kernel: x86-64: IRET faults during NMIs processing
Published Aug 31, 2015
7.2
HIGHCVSS 2.0
EPSS 0.62%
Description
arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform mishandles IRET faults in processing NMIs that occurred during userspace execution, which might allow local users to gain privileges by triggering an NMI.
Affected products
No data.
Configuration 1
- 6.0
- 6.0
- 6.0
- 6.7.z
- 6.0
Configuration 2
- < 3.12.47
- ≥ 3.13 · < 3.14.54
- ≥ 3.15 · < 3.16.35
- ≥ 3.17 · < 3.18.22
- ≥ 3.19 · < 4.1.6
No data.
Red Hat Enterprise Linux 6
kernel-0:2.6.32-573.26.1.el6
Fixed · RHSA-2016:0715
Red Hat Enterprise Linux 7
kernel-0:3.10.0-327.10.1.el7
Fixed · RHSA-2016:0185
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-327.10.1.rt56.211.el7_2
Fixed · RHSA-2016:0212
Red Hat Enterprise MRG 2
kernel-rt-1:3.10.0-327.rt56.171.el6rt
Fixed · RHSA-2016:0224
Red Hat Enterprise Linux 5
kernel
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-573.26.1.el6 | Fixed | RHSA-2016:0715 |
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-327.10.1.el7 | Fixed | RHSA-2016:0185 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-327.10.1.rt56.211.el7_2 | Fixed | RHSA-2016:0212 |
| Red Hat Enterprise MRG 2 | kernel-rt-1:3.10.0-327.rt56.171.el6rt | Fixed | RHSA-2016:0224 |
| Red Hat Enterprise Linux 5 | kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future updates in the respective releases may address this flaw. Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.62% (0.00624) | 48.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.62% (0.00624) | 45.01th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.32% (0.00315) | 51.54th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.44% (0.01443) | 68.79th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.27% (0.00273) | 48.71th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00172) | 55.52th | v3 (v2023.03.01) |
| Feb 16, 2024 | 0.17% (0.00172) | 53.20th | v3 (v2023.03.01) |
| Oct 29, 2023 | 0.04% (0.00044) | 8.47th | v3 (v2023.03.01) |
| Sep 30, 2023 | 0.05% (0.00048) | 15.10th | v3 (v2023.03.01) |
| Aug 26, 2023 | 0.06% (0.00062) | 24.45th | v3 (v2023.03.01) |
| Apr 18, 2023 | 0.04% (0.00044) | 10.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.27th | v2 (v2022.01.01) |
| Feb 13, 2023 | 2.17% (0.02172) | 79.78th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.55% (0.01547) | 74.40th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.34th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.15th | v2 (v2022.01.01) |
References (26)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a x_refsource_CONFIRMMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html vendor-advisoryx_refsource_SUSEThird Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html vendor-advisoryx_refsource_SUSEThird Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html vendor-advisoryx_refsource_SUSEThird Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html vendor-advisoryx_refsource_SUSEThird Party AdvisoryVDB Entry
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html vendor-advisoryx_refsource_SUSEThird Party AdvisoryVDB Entry
- http://rhn.redhat.com/errata/RHSA-2016-0185.html vendor-advisoryx_refsource_REDHATThird Party AdvisoryVDB Entry
- http://rhn.redhat.com/errata/RHSA-2016-0212.html vendor-advisoryx_refsource_REDHATThird Party AdvisoryVDB Entry
- http://rhn.redhat.com/errata/RHSA-2016-0224.html vendor-advisoryx_refsource_REDHATThird Party AdvisoryVDB Entry
- http://rhn.redhat.com/errata/RHSA-2016-0715.html vendor-advisoryx_refsource_REDHATThird Party AdvisoryVDB Entry
- http://www.debian.org/security/2015/dsa-3313 vendor-advisoryx_refsource_DEBIANThird Party AdvisoryVDB Entry
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6 x_refsource_CONFIRMVendor Advisory
- http://www.openwall.com/lists/oss-security/2015/07/22/7 mailing-listx_refsource_MLISTMailing List
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/76005 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2687-1 vendor-advisoryx_refsource_UBUNTUThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2688-1 vendor-advisoryx_refsource_UBUNTUThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2689-1 vendor-advisoryx_refsource_UBUNTUThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2690-1 vendor-advisoryx_refsource_UBUNTUThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2691-1 vendor-advisoryx_refsource_UBUNTUThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2015-5157 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1259577 Issue Tracking
- https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0a x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-5157
- https://www.cve.org/CVERecord?id=CVE-2015-5157
Change history (0)
No recorded changes yet.