CVE-2019-20795

Summary

CVECVE-2019-20795
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-05-09 21:15:00 UTC
Updated2020-09-10 17:50:00 UTC
Descriptioniproute2 before 5.1.0 has a use-after-free in get_netnsid_from_name in ip/ipnetns.c. NOTE: security relevance may be limited to certain uses of setuid that, although not a default, are sometimes a configuration option offered to end users. Even when setuid is used, other factors (such as C library configuration) may block exploitability.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Application Iproute2 Project Iproute2 All All All All
Application Iproute2 Project Iproute2 All All All All

References

ReferenceSourceLinkTags
USN-4357-1: IPRoute vulnerability | Ubuntu security notices UBUNTU usn.ubuntu.com Third Party Advisory
Bug 1171452 – VUL-1: CVE-2019-20795: iproute2: use-after-free in get_netnsid_from_name in ip/ipnetns.c MISC bugzilla.suse.com Issue Tracking, Third Party Advisory
iproute2/iproute2.git - Iproute2 routing commands and utilities CONFIRM git.kernel.org Patch, Third Party Advisory
iproute2: Denial of service (GLSA 202008-06) — Gentoo security GENTOO security.gentoo.org Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500259 Alpine Linux Security Update for iproute2
  • 504024 Alpine Linux Security Update for iproute2
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 671409 EulerOS Security Update for iproute (EulerOS-SA-2022-1327)
  • 751239 SUSE Enterprise Linux Security Update for iproute2 (SUSE-SU-2021:3452-1)
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