StackPatch is liveSee product

Back to CVE digest
CVE-2021-47571 · cross-distro fix matrix

CVE-2021-47571: In the Linux kernel, the following vulnerability has been resolved: staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() The free_rtllib() function frees the "dev" pointer so there is use after free on the next line. Re-arrange things to avoid that.

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-47571 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • linux→ fixed in5.10.84-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y linux

Debian bookworm

Source: Debian Security Tracker

  • linux→ fixed in5.15.15-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y linux

Debian trixie

Source: Debian Security Tracker

  • linux→ fixed in5.15.15-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y linux
Are YOU affected by CVE-2021-47571?

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
Continuous monitoring beats manual checking

CVE-2021-47571dropped 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.

See StackPatch ($99 lifetime)