CVE-2020-27827 (GCVE-0-2020-27827)
Vulnerability from cvelistv5
Published
2021-03-18 00:00
Modified
2024-08-04 16:25
Severity ?
CWE
Summary
A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
References
secalert@redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1921438 Issue Tracking, Mitigation, Patch, Third Party Advisory
secalert@redhat.com https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf Patch, Third Party Advisory
secalert@redhat.com https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
secalert@redhat.com https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
secalert@redhat.com https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
secalert@redhat.com https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html Mailing List, Mitigation, Vendor Advisory
secalert@redhat.com https://security.gentoo.org/glsa/202311-16
secalert@redhat.com https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07 Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 https://bugzilla.redhat.com/show_bug.cgi?id=1921438 Issue Tracking, Mitigation, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
af854a3a-2127-422b-91ae-364da2661108 https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html Mailing List, Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://security.gentoo.org/glsa/202311-16
af854a3a-2127-422b-91ae-364da2661108 https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07 Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
n/a lldp/openvswitch Version: lldpd 1.0.8, openvswitch 2.14.1, openvswitch 2.13.2, openvswitch 2.12.2, openvswitch 2.11.5, openvswitch 2.10.6, openvswitch 2.9.8, openvswitch 2.8.10, openvswitch 2.7.12, openvswitch 2.6.9
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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