CVE-2017-18270

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Summary

CVECVE-2017-18270
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-05-18 16:29:00 UTC
Updated2020-08-14 20:15:00 UTC
DescriptionIn the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
KEYS: prevent creating a different user's keyrings · torvalds/linux@237bbd2 · GitHub CONFIRM github.com Patch
kernel/git/torvalds/linux.git - Linux kernel source tree CONFIRM git.kernel.org Patch
support.f5.com/csp/article/K37301725 CONFIRM support.f5.com
1856774 – (CVE-2020-14353) CVE-2020-14353 kernel: keys: for keyctl prevent creating a different user's keyrings in RHEL-6.10 MISC bugzilla.redhat.com
Linux Kernel CVE-2017-18270 Local Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
1856774 – (CVE-2020-14353) CVE-2020-14353 kernel: keys: for keyctl prevent creating a different user's keyrings in RHEL-6.10 MISC bugzilla.redhat.com
1580979 – (CVE-2017-18270) CVE-2017-18270 kernel: improper keyrings creation MISC bugzilla.redhat.com
USN-3754-1: Linux kernel vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 CONFIRM www.kernel.org Release Notes
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160123 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2022-9852)
  • 390268 Oracle VM Server for x86 Security Update for kernel (OVMSA-2022-0026)
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