| 3:55p |
Security updates for Friday
Security updates have been issued by Debian (drupal7), Fedora (electrum and perl-Email-Address), Mageia (gthumb), openSUSE (gitolite, kernel, krb5, libunwind, LibVNCServer, live555, mutt, wget, and zeromq), SUSE (krb5, mariadb, nodejs4, nodejs8, soundtouch, and zeromq), and Ubuntu (irssi). |
| 4:30p |
[$] A proposed API for full-memory encryption Hardware memory encryption is, or will soon be, available on multiple generic CPUs. In its absence, data is stored — and passes between the memory chips and the processor — in the clear. Attackers may be able to access it by using hardware probes or by directly accessing the chips, which is especially problematic with persistent memory. One new memory-encryption offering is Intel's Multi-Key
Total Memory Encryption (MKTME) [PDF]; AMD's equivalent is called Secure Encrypted Virtualization
(SEV). The implementation of support for this feature is in progress for the Linux kernel. Recently, Alison Schofield proposed a user-space API for MKTME, provoking a long discussion on how memory encryption should be exposed to the user, if at all. |