Another elegant #vulnerability #advisory by @qualys that was published a few months back
Local information disclosure in #apport and #systemd- #coredump
(CVE-2025-5054 and CVE-2025-4598)
https://www.qualys.com/2025/05/29/apport-coredump/apport-coredump.txt
On the current #fedora #kde #plasma 6.4.3 if I disconnect my monitors that are connected over usb-c with the current #firefox beta flatpak running, kwin_wayland core dumps. Reproducible on 2 different machines, one with a HP dock, the other with a usb-c to DP adapter.
Other GTK apps or even other builds of firefox don't trigger it. Disconnecting the DP cable from the adapter does not trigger it.
I'm not even sure who to report that to
I've done a series that adds support for AF_UNIX sockets in coredumps. Userspace provides an AF_UNIX socket path via core_pattern and the kernel connects to it, shuts down the read side and writes the coredump to the socket.
This means no more super privileged usermode helper upcalls and makes for a very nice API experience. I captured coredumps simply via socat:
https://lore.kernel.org/20250430-work-[email protected]
The receiver can use SO_PEERPIDFD to get a stable handle on the crashed process.
14 - Core Dump by Brero
what to do with 10-13 years old core dumps? keep'em or trash'em?
Nach dem Coredump Repair Day¹ im 2022 startet nun das erste "offizielle" Repair Café in Rapperswil-Jona! Zusammen mit vielen weiteren Freiwilligen werden wir morgen in Rappi auf dem Zeughaus-Areal und im Coredump alles reparieren, was wir reparieren können! https://www.repair-cafe.ch/repairevent/1-repair-cafe-2024/
¹ https://www.coredump.ch/2022/10/15/rueckblick-repair-day/
#RepairCafe #Rapperswil #Jona #Coredump #Hackerspace #Makerspace #Reparaturtag
I have one regret about upgrading my computer to 160 gigs. When a crash occurs, it takes forever for it to dump the state of the machine to a file!
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