CVE-2019-18660
MediumThe Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable CPUs, aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry_64.S and arch/powerpc/kernel/security.c.
CVSS 3.1 score
4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness type
CWE-200CVE-2019-18660 is a Information Exposure vulnerability
What is Information Exposure?
The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2019-18660 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Third Party Advisory
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Packet Stormhttp://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory VDB Entry
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Third Party Advisory
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Release Notes Vendor Advisory
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Mailing List Third Party Advisory
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Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4225-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4225-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4226-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4227-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4227-2/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4228-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/4228-2/Third Party Advisory
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PatchKernel patch commithttp://www.openwall.com/lists/oss-security/2019/11/27/1
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PatchKernel patch commithttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=39e72bf96f5847ba87cc5bd7a3ce0fed813dc9ad
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PatchKernel patch commithttps://www.openwall.com/lists/oss-security/2019/11/27/1
Frequently asked questions
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What is CVE-2019-18660?
CVE-2019-18660 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2019-18660 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2019-18660?
CVE-2019-18660 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N. -
Is there a patch available for CVE-2019-18660?
No patch is currently available for CVE-2019-18660. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2019-18660 actively exploited?
No — CVE-2019-18660 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Information Exposure (CWE-200)?
The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →