[$] CAP_PERFMON — and new capabilities in general
The perf_event_open() system call is a complicated beast, requiring a fair amount of study to master....
Security updates for Friday [LWN.net]
Security updates have been issued by CentOS (openjpeg2), Debian (cloud-init, jackson-databind, and python-reportlab), Red Hat (ksh,...
[$] Memory-management optimization with DAMON
To a great extent, memory management is based on making predictions: which pages of memory will...
Security updates for Thursday [LWN.net]
Security updates have been issued by Debian (netty and netty-3.9), Fedora (ceph, dovecot, poppler, and webkit2gtk3),...
[$] LWN.net Weekly Edition for February 20, 2020
The LWN.net Weekly Edition for February 20, 2020 is available.
Stable kernel updates [LWN.net]
Stable kernels 5.5.5, 5.4.21, and 4.19.105 have been released, with the usual set of important fixes.
[$] Debian discusses how to handle 2038
At this point, most of the kernel work to avoid the year-2038 apocalypse has been completed....
The Linux Foundation and Harvard’s Lab for Innovation Science release census for open-source software security [LWN.net]
The Linux Foundation's Core Infrastructure Initiative and Harvard University's Lab for Innovation Science have teamed up...
Security updates for Wednesday [LWN.net]
Security updates have been issued by CentOS (firefox, java-1.7.0-openjdk, ksh, and sudo), Debian (php7.0 and python-django),...
[$] Finer-grained kernel address-space layout randomization
The idea behind kernel address-space layout randomization (KASLR) is to make it harder for attackers to...
Cook: security things in Linux v5.4 [LWN.net]
A bit belatedly, Kees Cook looks at some security-relevant changes in Linux 5.4 in a blog post....
Security updates for Tuesday [LWN.net]
Security updates have been issued by Arch Linux (systemd and thunderbird), Debian (clamav, libgd2, php7.3, spamassassin,...
[$] Filesystem UID mapping for user namespaces: yet another shiftfs
The idea of an ID-shifting virtual filesystem that would remap user and group IDs before passing...
Security updates for Monday [LWN.net]
Security updates have been issued by Debian (evince, postgresql-9.4, and thunderbird), Fedora (ksh and libxml2), openSUSE...
NetBSD 9.0 released [LWN.net]
The NetBSD 9.0 release is out. "This is the seventeenth major release of the NetBSD operating...
Kernel prepatch 5.6-rc2 [LWN.net]
The 5.6-rc2 kernel prepatch is out for testing. Linus says: "More than half the rc2 patch...
OpenSSH 8.2 released [LWN.net]
OpenSSH 8.2 is out. This release removes support for the ssh-rsa key algorithm, which may disrupt...
A set of weekend stable kernel updates [LWN.net]
The 5.5.4, 5.4.20, 4.19.104, 4.14.171, 4.9.214, and 4.4.214 stable kernels have all been released; each contains...