ALT-PU-2021-1483-1
Closed vulnerabilities
Published: 2020-09-22
BDU:2021-01805
Уязвимость реализации протокола LLDP под Unix Lldpd, программного многоуровневого коммутатора Open vSwitch, связанная с ошибкой механизма контроля расходуемых ресурсов, позволяющая нарушителю вызвать отказ в обслуживании
Severity: HIGH (7.5)
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
Published: 2021-03-18
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-27827
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.
Severity: HIGH (7.5)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References:
- https://bugzilla.redhat.com/show_bug.cgi?id=1921438
- https://bugzilla.redhat.com/show_bug.cgi?id=1921438
- https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
- FEDORA-2023-c0c184a019
- FEDORA-2023-c0c184a019
- FEDORA-2023-88991d2713
- FEDORA-2023-88991d2713
- FEDORA-2023-3e4feeadec
- FEDORA-2023-3e4feeadec
- https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
- https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
- GLSA-202311-16
- GLSA-202311-16
- https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
- https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07