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CVE-2023-1668 · cross-distro fix matrix

CVE-2023-1668: A flaw was found in openvswitch (OVS). When processing an IP packet with protocol 0, OVS will install the datapath flow without the action modifying the IP header. This issue results (for both kernel and userspace datapath) in installing a datapath flow matching all IP protocols (nw_proto is wildcar

Affects 8 Linux releases across 13 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2023-1668 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • openvswitch→ fixed in2.15.0+ds1-2+deb11u4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openvswitch

Debian bookworm

Source: Debian Security Tracker

  • openvswitch→ fixed in3.1.0-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openvswitch

Debian trixie

Source: Debian Security Tracker

  • openvswitch→ fixed in3.1.0-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openvswitch

Alpine v3.20

Source: Alpine secdb

  • openvswitch→ fixed in2.17.6-r0
    apk update && apk add --upgrade openvswitch
  • openvswitch→ fixed in2.17.8-r0
    apk update && apk add --upgrade openvswitch

Alpine v3.21

Source: Alpine secdb

  • openvswitch→ fixed in2.17.6-r0
    apk update && apk add --upgrade openvswitch
  • openvswitch→ fixed in2.17.8-r0
    apk update && apk add --upgrade openvswitch

Alpine edge

Source: Alpine secdb

  • openvswitch→ fixed in2.17.6-r0
    apk update && apk add --upgrade openvswitch
  • openvswitch→ fixed in2.17.8-r0
    apk update && apk add --upgrade openvswitch

Alpine v3.18

Source: Alpine secdb

  • openvswitch→ fixed in2.17.6-r0
    apk update && apk add --upgrade openvswitch
  • openvswitch→ fixed in2.17.8-r0
    apk update && apk add --upgrade openvswitch

Alpine v3.19

Source: Alpine secdb

  • openvswitch→ fixed in2.17.6-r0
    apk update && apk add --upgrade openvswitch
  • openvswitch→ fixed in2.17.8-r0
    apk update && apk add --upgrade openvswitch
Are YOU affected by CVE-2023-1668?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash
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