Canonical released a new kernel live patch for the Ubuntu 16.04 LTS (Xenial Xerus) and Ubuntu 14.04 LTS (Trusty Tahr) operating system series to address a total of nine security vulnerabilities discovered recently by various security researchers.
According to the security advisory, the new kernel live patch addresses a race condition (CVE-2017-0861) found in Linux kernel’s ALSA PCM subsystem and a use-after-free vulnerability (CVE-2017-15129) discovered in the network namespaces implementation, both of which could allow a local attacker to crash the system or execute arbitrary code.
Additionally, the new kernel live patch fixes a race condition (CVE-2018-5344) discovered in Linux kernel’s loop block device, which could allow a local attacker to either crash the system by causing a denial of service or possibly execute arbitrary code, and a null pointer dereference (CVE-201… (read more)
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