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Other => Other => Topic started by: cyberspace on July 09, 2026, 09:53:54 PM

Title: New CVEs in Linux Kernel: CVE-2026-53359, CVE-2026-46242, CVE-2026-43499
Post by: cyberspace on July 09, 2026, 09:53:54 PM
It is time to update the servers and reboot ;)

https://almalinux.org/blog/2026-07-09-ghostlock/
https://almalinux.org/blog/2026-07-06-januscape-bad-epoll/
Title: Re: New CVEs in Linux Kernel: CVE-2026-53359, CVE-2026-46242, CVE-2026-43499
Post by: overseer on July 10, 2026, 03:14:05 AM
Let the summer of AI fuzzing continue!
Title: Re: New CVEs in Linux Kernel: CVE-2026-53359, CVE-2026-46242, CVE-2026-43499
Post by: cgauthey on July 11, 2026, 06:21:45 PM
In my case, when I update the server, it prevents startup with the CWP secure kernel.
Title: Re: New CVEs in Linux Kernel: CVE-2026-53359, CVE-2026-46242, CVE-2026-43499
Post by: cyberspace on July 12, 2026, 10:09:48 AM
What version of OS do you use ? Alamlinux 8/9, something else ?

Run:
Code: [Select]
uname -rwhen the server is booted with secure kernel and show output.
Title: Re: New CVEs in Linux Kernel: CVE-2026-53359, CVE-2026-46242, CVE-2026-43499
Post by: cgauthey on July 12, 2026, 01:54:38 PM
Distro Name: AlmaLinux release 8.10 (Cerulean Leopard)
Kernel Version: 4.18.0-553.92.1.el8_10.x86_64
Platform: x86_64
Title: Re: New CVEs in Linux Kernel: CVE-2026-53359, CVE-2026-46242, CVE-2026-43499
Post by: cyberspace on July 12, 2026, 09:20:22 PM
CWP Secure Kernel is a regular linux kernel with a security addon. The security addon is Tomoyo:
https://tomoyo.sourceforge.net/
The linux kernel doesn't include the security addon Tomoyo by default. The kernel must be recompiled with the Tomoyo enabled. That is why the security enhancements don't  start when you boot the server using the update kernel.

However, I think CWP Secure Kernel should protect your from such vulnerabilities. It should not allow to run suspicious executable files/binaries, etc. Anyway, it is better to get confirmation from CWP Secure Kernel developers or check the Tomoyo rules if you understand Tomoyo )