CVE-2015-5157

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.

Published: 2015-08-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-5157 is rated Moderate Risk (44.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.62%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-5157

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.23% 0.62% +0.39%
2 2025-06-14 0.27% 0.23% -0.04%
3 2025-05-21 — 0.27% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-5157

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-2015-5157

OS Trackers for CVE-2015-5157

vendor priority summary link
debian not yet assigned CVE-2015-5157 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-5157
redhat medium — https://access.redhat.com/security/cve/CVE-2015-5157
suse high CVE-2015-5157 severity important: SUSE including 138 source package names (kernel-3.10.0-327.10.1.el7, kernel-abi-whitelists-3.10.0-327.10.1.el7, …), 254 product×package rows across 32 product lines (SLES for SAP Applications 11 SP3, SUSE Liberty Linux 7, … (32 product lines)): Fixed 227, Known Not Affected 27. https://www.suse.com/security/cve/CVE-2015-5157/
ubuntu medium CVE-2015-5157 medium priority: Ubuntu including 99 source packages (linux, linux-armadaxp, …), 869 status rows across 15 suites (artful, bionic, focal, jammy, noble, plucky, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 580, not-affected 139, released 104, ignored 46. https://ubuntu.com/security/CVE-2015-5157

Affected software / configurations for CVE-2015-5157

Vendor Product Version Raw CPE
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_hpc_node 6.0 cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 6.7.z cpe:2.3:o:redhat:enterprise_linux_server_eus:6.7.z:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
linux linux_kernel < 3.12.47 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 3.13, < 3.14.54 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 3.15, < 3.16.35 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 3.17, < 3.18.22 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 3.19, < 4.1.6 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

References for CVE-2015-5157

URL Tags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-0185.html Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-0212.html Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-0224.html Third Party Advisory VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-0715.html Third Party Advisory VDB Entry
http://www.debian.org/security/2015/dsa-3313 Third Party Advisory VDB Entry
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6 Vendor Advisory
http://www.openwall.com/lists/oss-security/2015/07/22/7 Mailing List
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.securityfocus.com/bid/76005 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2687-1 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2688-1 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2689-1 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2690-1 Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2691-1 Third Party Advisory VDB Entry
https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0a Third Party Advisory
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