Ubuntu: Security Advisory for linux (USN-4883-1)

The remote host is missing an update for the 'linux' package(s) announced via the USN-4883-1 advisory.

Adam Nichols discovered that heap overflows existed in the iSCSI subsystem in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-27365) Adam Nichols discovered that the iSCSI subsystem in the Linux kernel did not properly restrict access to iSCSI transport handles. A local attacker could use this to cause a denial of service or expose sensitive information (kernel pointer addresses). (CVE-2021-27363) Adam Nichols discovered that an out-of-bounds read existed in the iSCSI subsystem in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information (kernel memory). (CVE-2021-27364)

'linux' package(s) on Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.

Checks if a vulnerable package version is present on the target host.

Please install the updated package(s).