Debian SE Linux and PinTheftDebian SE Linux and PinTheft
We have a new Linux exploit called PinTheft [1]. I did some tests of it with Debian kernel 6.12.74+deb13+1-amd64. user_t When I run the exploit as user_t I see the[...]
Debian SE Linux and ssh-keysign-pwnDebian SE Linux and ssh-keysign-pwn
I just tested out the ssh-keysign-pwn exploit [1] on Debian kernel 6.12.74+deb13+1-amd64 which was released before these exploits. When sshkeysign_pwn is run as user_t the following is logged in the[...]
Packaging Amazfish for DebianPackaging Amazfish for Debian
I have done some packaging work on Amazfish (the smart-watch software that works with the PineTime among others) for Debian. Here is my Git repository for libnemodbus (a dependency for[...]
Bad Criticism of LLMs (not AI)Bad Criticism of LLMs (not AI)
Discussion of “AI” systems seems to be dominated by fears of uncommon and unlikely threats. I think that we should be focusing more on real issues with LLMs and with[...]
Systemd, Mobile Linux, and ContainersSystemd, Mobile Linux, and Containers
I’ve had some problems running apps I want on my Furilabs FLX1s [1], so I decided to install some container environments to test various versions. I started with Debian/Testing so[...]
Dirty Frag on Debian and SE LinuxDirty Frag on Debian and SE Linux
Hot on the heels of the Copy Fail vulnerability [1] there is a new vulnerability Dirty Frag [2] (I linked to the Alma Linux page because it’s the first one[...]
Tower Servers and Resizable BARTower Servers and Resizable BAR
A feature on modern PCIe implementations is “Resizable BAR” AKA “REBAR”. This basically means that instead of allocating 256MB of address space for a PCIe device to have it’s memory[...]
Copy Fail on Debian and SE LinuxCopy Fail on Debian and SE Linux
I have just learned of the Copy Fail kernel vulnerability [1] thanks to alexanderkjall@mastodon.social (who I have just followed on Mastodon and I recommend that you follow too). The question[...]
Links April 2026Links April 2026
Charles Stross wrote an interesting blog post about the apparent desire of super rich people to kill the poor, it seems that the people in power want to make all[...]
More About Ebook Readers in DebianMore About Ebook Readers in Debian
FBReader After my previous blog post about eBook readers in Debian [1] a reader recommended FBReader. I tried it and it’s now my favourite reader. It works nicely on laptop[...]