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CVE-2020-29569 · cross-distro fix matrix

CVE-2020-29569: An issue was discovered in the Linux kernel through 5.10.1, as used with Xen through 4.14.x. The Linux kernel PV block backend expects the kernel thread handler to reset ring->xenblkd to NULL when stopped. However, the handler may not have time to run if the frontend quickly toggles between the stat

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-29569 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • linux→ fixed in5.9.15-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y linux

Debian bookworm

Source: Debian Security Tracker

  • linux→ fixed in5.9.15-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y linux

Debian trixie

Source: Debian Security Tracker

  • linux→ fixed in5.9.15-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y linux

Alpine v3.20

Source: Alpine secdb

  • linux-lts→ fixed in5.10.4-r0
    apk update && apk add --upgrade linux-lts

Alpine v3.21

Source: Alpine secdb

  • linux-lts→ fixed in5.10.4-r0
    apk update && apk add --upgrade linux-lts

Alpine edge

Source: Alpine secdb

  • linux-lts→ fixed in5.10.4-r0
    apk update && apk add --upgrade linux-lts

Alpine v3.18

Source: Alpine secdb

  • linux-lts→ fixed in5.10.4-r0
    apk update && apk add --upgrade linux-lts

Alpine v3.19

Source: Alpine secdb

  • linux-lts→ fixed in5.10.4-r0
    apk update && apk add --upgrade linux-lts
Are YOU affected by CVE-2020-29569?

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