CVE-2006-1523

The __group_complete_signal function in the RCU signal handling (signal.c) in Linux kernel 2.6.16, and possibly other versions, has unknown impact and attack…

published April 12, 2006

CVSS
—
EPSS
3%
Percentile
85.3
In the wild
Unconfirmed
What it is

⚠️ A mystery in the Linux kernel reveals itself! The __group_complete_signal function has an unknown impact related to a curious improper use of BUG_ON — a classic game of hide and seek that could have sneaky consequences! Think of it like a traffic signal that sometimes forgets to change — when the light is red, cars get stuck, but if it just blinks, chaos ensues. This bug could cause unpredictable behavior in your system, making it unreliable. While the exact consequences remain uncertain, an improper handling of signals could lead to system instability or unexpected crashes. This uncertainty could result in a frustrating user experience or expose systems to other latent vulnerabilities.

Put simply

Think of it like a traffic signal that sometimes forgets to change — when the light is red, cars get stuck, but if it just blinks, chaos ensues. This bug could cause unpredictable behavior in your system, making it unreliable. The __group_complete_signal function's misuse of the BUG_ON macro in the Linux kernel version 2.6.16 (and potentially others) introduces risks due to improper error handling, which could disrupt the normal operation of signal processing.

What to do

While the exact consequences remain uncertain, an improper handling of signals could lead to system instability or unexpected crashes. This uncertainty could result in a frustrating user experience or expose systems to other latent vulnerabilities. Although there’s no direct patch available for this unknown vulnerability, staying informed about future kernel updates is key. Monitor Linux kernel announcements and consider updating to the latest stable version when it becomes available to ensure you’re not vulnerable to unexpected behavior. 🛡️ You've got this! Stay vigilant and proactive, and your systems will be on the path to safety in no time! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02609 · 85.3th percentile
Published
2006-04-12T23:00Z
EPSS history
Timeline
  • 12 APR 23:00Z
    The __group_complete_signal function in the RCU signal handling (signal.c) in Linux kernel 2.6.16, and possibly other versions, has unknown impact and attack…
    cvelistv5