Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerability (USN-5206-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-5206-1 advisory. Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to...

CVE-2021-4002

A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way the user maps some regions of memory twice using shmget which are aligned to PUD alignment with the fault of some of the memory pages. A local user could use this flaw to get unauthorized access to some data...

PT-2021-7327 · Linux +9 · Linux Kernel +9

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak flaw in the Linux kernel's hugetlbfs memory usage was found in the way a user maps some regions of memory twice using the shmget function, which are aligned to PUD...