Sensitive Information Uncleared Before Release Affecting kernel-headers package, versions <0:3.10.0-693.37.4.el7
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-RHEL7-KERNELHEADERS-4766654
- published26 Jul 2021
- disclosed14 Aug 2018
Introduced: 14 Aug 2018
CVE-2018-3646 (opens in a new tab)How to fix?
Upgrade RHEL:7 kernel-headers to version 0:3.10.0-693.37.4.el7 or higher.
This issue was patched in RHSA-2018:2387.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by RHEL.
See How to fix? for RHEL:7 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://www.securityfocus.com/bid/105080
- 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://security.netapp.com/advisory/ntap-20180815-0001/
- 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.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- https://www.synology.com/support/security/Synology_SA_18_45
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180815-01-cpu-en
- http://www.vmware.com/security/advisories/VMSA-2018-0020.html
- http://xenbits.xen.org/xsa/advisory-273.html
- https://access.redhat.com/security/cve/CVE-2018-3646
- https://www.debian.org/security/2018/dsa-4274
- https://www.debian.org/security/2018/dsa-4279
- 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://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- https://lists.debian.org/debian-lts-announce/2018/08/msg00029.html
- https://lists.debian.org/debian-lts-announce/2018/09/msg00017.html
- https://access.redhat.com/errata/RHSA-2018:2387
- 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/
- 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/