CVE-2019-11135

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

3.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 86.7% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-11-14 18:19Z6 YR AGO

Last updated

2026-05-28 18:21Z3 MO AGO

Reserved

2019-04-11

Assigning CNA

intel

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Weaknesses

• CWE-385Covert Timing ChannelBase

Data version

5.2

Document digest

62794fbd3a4f42a5712024b8d56871786874bed2e1d90358cba6b955f1ac4bd3

• seclists.org20191118 [slackware-security] Slackware 14.2 kernel (SSA:2019-320-01)https://seclists.org/bugtraq/2019/Nov/26mailing-listx_refsource_BUGTRAQ
• lists.opensuse.orgopenSUSE-SU-2019:2527http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00046.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2019:2528http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00045.htmlvendor-advisoryx_refsource_SUSE
• lists.fedoraproject.orgFEDORA-2019-376ec5c107https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5WWPW4BSZDDW7VHU427XTVXV7ROOFFW/vendor-advisoryx_refsource_FEDORA
• access.redhat.comRHSA-2019:3936https://access.redhat.com/errata/RHSA-2019:3936vendor-advisoryx_refsource_REDHAT
• usn.ubuntu.comUSN-4186-2https://usn.ubuntu.com/4186-2/vendor-advisoryx_refsource_UBUNTU
• lists.fedoraproject.orgFEDORA-2019-cbb732f760https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZYATWNUGHRBG6I3TC24YHP5Y3J7I6KH/vendor-advisoryx_refsource_FEDORA
• www.openwall.com[oss-security] 20191210 CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135)http://www.openwall.com/lists/oss-security/2019/12/10/3mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20191210 Re: CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135)http://www.openwall.com/lists/oss-security/2019/12/10/4mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20191211 Re: CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135)http://www.openwall.com/lists/oss-security/2019/12/11/1mailing-listx_refsource_MLIST
• seclists.org20191216 [SECURITY] [DSA 4565-2] intel-microcode security updatehttps://seclists.org/bugtraq/2019/Dec/28mailing-listx_refsource_BUGTRAQ
• lists.debian.org[debian-lts-announce] 20191230 [SECURITY] [DLA 2051-1] intel-microcode security updatehttps://lists.debian.org/debian-lts-announce/2019/12/msg00035.htmlmailing-listx_refsource_MLIST
• lists.opensuse.orgopenSUSE-SU-2019:2710http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00042.htmlvendor-advisoryx_refsource_SUSE
• access.redhat.comRHSA-2020:0026https://access.redhat.com/errata/RHSA-2020:0026vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0028https://access.redhat.com/errata/RHSA-2020:0028vendor-advisoryx_refsource_REDHAT
• www.debian.orgDSA-4602https://www.debian.org/security/2020/dsa-4602vendor-advisoryx_refsource_DEBIAN
• seclists.org20200114 [SECURITY] [DSA 4602-1] xen security updatehttps://seclists.org/bugtraq/2020/Jan/21mailing-listx_refsource_BUGTRAQ
• access.redhat.comRHSA-2020:0204https://access.redhat.com/errata/RHSA-2020:0204vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0279https://access.redhat.com/errata/RHSA-2020:0279vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0366https://access.redhat.com/errata/RHSA-2020:0366vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0555https://access.redhat.com/errata/RHSA-2020:0555vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0666https://access.redhat.com/errata/RHSA-2020:0666vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2020:0730https://access.redhat.com/errata/RHSA-2020:0730vendor-advisoryx_refsource_REDHAT
• security.gentoo.orgGLSA-202003-56https://security.gentoo.org/glsa/202003-56vendor-advisoryx_refsource_GENTOO
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2021.htmlx_refsource_MISC
• www.intel.comhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00270.htmlx_refsource_MISC
• support.f5.comhttps://support.f5.com/csp/article/K02912734?utm_source=f5support&amp%3Butm_medium=RSSx_refsource_CONFIRM
• packetstormsecurity.comhttp://packetstormsecurity.com/files/155375/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlx_refsource_MISC
• support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03968en_usx_refsource_CONFIRM
• kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10306x_refsource_CONFIRM