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CVE-2025-38670 · cross-distro fix matrix

CVE-2025-38670: In the Linux kernel, the following vulnerability has been resolved: arm64/entry: Mask DAIF in cpu_switch_to(), call_on_irq_stack() `cpu_switch_to()` and `call_on_irq_stack()` manipulate SP to change to different stacks along with the Shadow Call Stack if it is enabled. Those two stack changes cann

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-38670 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • linux-6.1→ fixed in6.1.153-1~deb11u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y linux-6.1

Debian bookworm

Source: Debian Security Tracker

  • linux→ fixed in6.1.153-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y linux

Debian trixie

Source: Debian Security Tracker

  • linux→ fixed in6.12.41-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y linux
Are YOU affected by CVE-2025-38670?

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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CVE-2025-38670dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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