VulnerabilityModified
CVE-2015-3290
arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window.
HIGH 7.2EPSS 1.10%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 1.10% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0aThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.htmlThird Party Advisory, VDB Entry
- http://www.debian.org/security/2015/dsa-3313Third Party Advisory, VDB Entry
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/07/22/7Mailing List
- http://www.openwall.com/lists/oss-security/2015/08/04/8Mailing List
- http://www.securityfocus.com/bid/76004Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2687-1Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2688-1Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2689-1Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2690-1Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2691-1Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1243465Issue Tracking
- https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0aThird Party Advisory
- https://www.exploit-db.com/exploits/37722/Third Party Advisory, VDB Entry
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0aThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.htmlThird Party Advisory, VDB Entry
- http://www.debian.org/security/2015/dsa-3313Third Party Advisory, VDB Entry
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/07/22/7Mailing List
- http://www.openwall.com/lists/oss-security/2015/08/04/8Mailing List
- http://www.securityfocus.com/bid/76004Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2687-1Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2688-1Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2689-1Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2690-1Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2691-1Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1243465Issue Tracking
- https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0aThird Party Advisory
- https://www.exploit-db.com/exploits/37722/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.