CVE-2024-42040 · cross-distro fix matrix

CVE-2024-42040: Buffer Overflow vulnerability in the net/bootp.c in DENEX U-Boot from its initial commit in 2002 (3861aa5) up to today on any platform allows an attacker on the local network to leak memory from four up to 32 bytes of memory stored behind the packet to the network depending on the later use of DHCP-

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2024-42040 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

u-boot→ fixed in2021.01+dfsg-5+deb11u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y u-boot
```

Debian bookworm

Source: Debian Security Tracker

u-boot→ fixed in2023.01+dfsg-2+deb12u3urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y u-boot
```

Are YOU affected by CVE-2024-42040?

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

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2024-42040dropped 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. From $9/mo, 14-day free trial, cancel anytime.

See StackPatch (from $9/mo)