Fast Datapath für Red Hat Enterprise Linux (ovn): Mehrere Schwachstellen

Summary

Product

Vulnerabilities 2

• High 8.6
  CVE-2026-5367

  Ovn: ovn: information disclosure via crafted dhcpv6 packets

  A flaw was found in OVN (Open Virtual Network). A remote attacker, by sending crafted DHCPv6 (Dynamic Host Configuration Protocol for IPv6) SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet…

  Red Hat Red Hat OpenShift Container Platform 4 Fast Datapath for RHEL 9 Fast Datapath for RHEL 8 Linux Debian Ubuntu
  Apr 24, 2026
• Medium 6.5
  CVE-2026-5265

  Ovn: ovn: heap over-read in icmp error response generation

  When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length (ip_tot_len for IPv4, ip6_plen for IPv6) without validati…

  Red Hat Fast Datapath for RHEL 9 Fast Datapath for RHEL 8 Fast Datapath for RHEL 7 Linux Debian Ubuntu
  Apr 24, 2026

Revision history

1. 2026-08-24 #8

   Neue Updates von SUSE aufgenommen

2. 2026-06-23 #7

   Neue Updates von SUSE aufgenommen

3. 2026-06-22 #6

   Neue Updates von SUSE aufgenommen

4. 2026-06-21 #5

   Neue Updates von SUSE aufgenommen

5. 2026-06-18 #4

   Neue Updates von SUSE aufgenommen

6. 2026-06-08 #3

   Neue Updates von openSUSE aufgenommen

7. 2026-05-31 #2

   Neue Updates von Red Hat aufgenommen

8. 2026-04-29 #1

   Initiale Fassung

References

• Red Hat Security Advisory RHSA-2026:11694 vom 2026-04-29
  https://access.redhat.com/errata/RHSA-2026:11694
• Red Hat Security Advisory RHSA-2026:11695 vom 2026-04-29
  https://access.redhat.com/errata/RHSA-2026:11695
• Red Hat Security Advisory RHSA-2026:11696 vom 2026-04-29
  https://access.redhat.com/errata/RHSA-2026:11696
• Red Hat Security Advisory RHSA-2026:11698 vom 2026-04-29
  https://access.redhat.com/errata/RHSA-2026:11698
• Red Hat Security Advisory RHSA-2026:11700 vom 2026-04-29
  https://access.redhat.com/errata/RHSA-2026:11700
• Red Hat Security Advisory RHSA-2026:11701 vom 2026-04-29
  https://access.redhat.com/errata/RHSA-2026:11701
• Red Hat Security Advisory RHSA-2026:11702 vom 2026-04-29
  https://access.redhat.com/errata/RHSA-2026:11702
• Red Hat Security Advisory RHSA-2026:22111 vom 2026-06-01
  https://access.redhat.com/errata/RHSA-2026:22111
• Red Hat Security Advisory RHSA-2026:22110 vom 2026-06-01
  https://access.redhat.com/errata/RHSA-2026:22110
• openSUSE Security Update OPENSUSE-SU-2026:10956-1 vom 2026-06-08
  https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/BKSAZNYU2SELT6MLQ3TIVY3HRJPK4MF7/
• SUSE Security Update SUSE-SU-2026:22145-1 vom 2026-06-18
  https://lists.suse.com/pipermail/sle-security-updates/2026-June/026828.html
• SUSE Security Update SUSE-SU-2026:2463-1 vom 2026-06-19
  https://lists.suse.com/pipermail/sle-security-updates/2026-June/026847.html
• SUSE Security Update SUSE-SU-2026:2476-1 vom 2026-06-22
  https://lists.suse.com/pipermail/sle-security-updates/2026-June/026860.html
• SUSE Security Update SUSE-SU-2026:2481-1 vom 2026-06-22
  https://lists.suse.com/pipermail/sle-security-updates/2026-June/026857.html
• SUSE Security Update SUSE-SU-2026:2475-1 vom 2026-06-22
  https://lists.suse.com/pipermail/sle-security-updates/2026-June/026861.html
• SUSE Security Update SUSE-SU-2026:22152-1 vom 2026-06-23
  https://lists.suse.com/pipermail/sle-security-updates/2026-June/026935.html
• SUSE Security Update SUSE-SU-2026:23188-1 vom 2026-08-24
  https://lists.suse.com/pipermail/sle-security-updates/2026-August/028467.html