Canonical Outs Major Kernel Update for Ubuntu 17.10 to Fix 22 Vulnerabilities

Canonical has released a major Linux kernel update for the Ubuntu 17.10 (Artful Aardvark) operating system series addressing more than 20 security vulnerabilities affecting the Linux 4.13 kernel.

According to the security advisory, a total of 22 security vulnerabilities were patched in this new kernel update, including several use-after-free vulnerabilities in Linux kernel's ALSA PCM subsystem, network namespaces implementation, a race condition in the OCFS2 filesystem implementation, as well as a race condition in loop block device implementation.

Issues were also fixed Linux kernel's KVM implementation, HugeTLB component, HMAC implementation, netfilter component, keyring implementation, the netfilter passive OS fingerprinting (xt_osf) module, the Salsa20 encryption algorithm implementation, the Broadcom NetXtremeII Ethernet driver, Reliable Datagram Socket (RDS) implementation, and the usbtest device driver.

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