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CVE-2021-36980 · cross-distro fix matrix

CVE-2021-36980: Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-36980 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+deb11u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openvswitch

Debian bookworm

Source: Debian Security Tracker

  • openvswitch→ fixed in2.15.0+ds1-10urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openvswitch

Debian trixie

Source: Debian Security Tracker

  • openvswitch→ fixed in2.15.0+ds1-10urgency: not yet assigned
    sudo apt-get install --only-upgrade -y openvswitch

Alpine v3.20

Source: Alpine secdb

  • openvswitch→ fixed in2.12.3-r2
    apk update && apk add --upgrade openvswitch

Alpine v3.21

Source: Alpine secdb

  • openvswitch→ fixed in2.12.3-r2
    apk update && apk add --upgrade openvswitch

Alpine edge

Source: Alpine secdb

  • openvswitch→ fixed in2.12.3-r2
    apk update && apk add --upgrade openvswitch

Alpine v3.18

Source: Alpine secdb

  • openvswitch→ fixed in2.12.3-r2
    apk update && apk add --upgrade openvswitch

Alpine v3.19

Source: Alpine secdb

  • openvswitch→ fixed in2.12.3-r2
    apk update && apk add --upgrade openvswitch
Are YOU affected by CVE-2021-36980?

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