CVE-2018-3646 Affecting intel-microcode package, versions <3.20180807a.0ubuntu0.18.04.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-INTELMICROCODE-325079
- published14 Aug 2018
- disclosed14 Aug 2018
Introduced: 14 Aug 2018
CVE-2018-3646 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 intel-microcode to version 3.20180807a.0ubuntu0.18.04.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream intel-microcode package and not the intel-microcode package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-3646
- https://www.kb.cert.org/vuls/id/982149
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180814-cpusidechannel
- https://cert-portal.siemens.com/productcert/pdf/ssa-254686.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180018
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0010
- https://software.intel.com/security-software-guidance/software-guidance/l1-terminal-fault
- https://support.f5.com/csp/article/K31300402
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03874en_us
- http://support.lenovo.com/us/en/solutions/LEN-24163
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00161.html
- https://www.synology.com/support/security/Synology_SA_18_45
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-201800815-01-cpu-en
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180815-01-cpu-en
- http://xenbits.xen.org/xsa/advisory-273.html
- https://www.debian.org/security/2018/dsa-4274
- https://www.debian.org/security/2018/dsa-4279
- https://lists.debian.org/debian-lts-announce/2018/08/msg00029.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00017.html
- https://security-tracker.debian.org/tracker/CVE-2018-3646
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V4UWGORQWCENCIF2BHWUEF2ODBV75QS2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XRFKQWYV2H4BV75CUNGCGE5TNVQCLBGZ/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-18:09.l1tf.asc
- https://security.gentoo.org/glsa/201810-06
- https://foreshadowattack.eu/
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://security.netapp.com/advisory/ntap-20180815-0001/
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://access.redhat.com/errata/RHSA-2018:2384
- https://access.redhat.com/errata/RHSA-2018:2387
- https://access.redhat.com/errata/RHSA-2018:2388
- https://access.redhat.com/errata/RHSA-2018:2389
- https://access.redhat.com/errata/RHSA-2018:2390
- https://access.redhat.com/errata/RHSA-2018:2391
- https://access.redhat.com/errata/RHSA-2018:2392
- https://access.redhat.com/errata/RHSA-2018:2393
- https://access.redhat.com/errata/RHSA-2018:2394
- https://access.redhat.com/errata/RHSA-2018:2395
- https://access.redhat.com/errata/RHSA-2018:2396
- https://access.redhat.com/errata/RHSA-2018:2402
- https://access.redhat.com/errata/RHSA-2018:2403
- https://access.redhat.com/errata/RHSA-2018:2404
- https://access.redhat.com/errata/RHSA-2018:2602
- https://access.redhat.com/errata/RHSA-2018:2603
- http://www.securityfocus.com/bid/105080
- http://www.securitytracker.com/id/1041451
- http://www.securitytracker.com/id/1042004
- https://usn.ubuntu.com/3740-1/
- https://usn.ubuntu.com/3740-2/
- https://usn.ubuntu.com/3741-1/
- https://usn.ubuntu.com/3741-2/
- https://usn.ubuntu.com/3742-1/
- https://usn.ubuntu.com/3742-2/
- https://usn.ubuntu.com/3756-1/
- https://usn.ubuntu.com/3823-1/
- http://www.vmware.com/security/advisories/VMSA-2018-0020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4UWGORQWCENCIF2BHWUEF2ODBV75QS2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XRFKQWYV2H4BV75CUNGCGE5TNVQCLBGZ/