Linux kernel denial of service vulnerability (CNVD-2020-52622)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the 'vfsubdentryopen' function in the Linux kernel. The vulnerability stems from an implementation of aufs that does not properly...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4426-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4426-1 advisory. Jason A. Donenfeld discovered that the ACPI implementation in the Linux kernel did not properly restrict loading SSDT code from an EFI...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4425-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4425-1 advisory. It was discovered that the network block device nbd implementation in the Linux kernel did not properly check for error conditions in some...

CVE-2020-11935

It was discovered that aufs improperly managed inode reference counts in the vfsubdentryopen method. A local attacker could use this vulnerability to cause a denial of service attack...

UBUNTU-CVE-2020-11935

It was discovered that aufs improperly managed inode reference counts in the vfsubdentryopen method. A local attacker could use this vulnerability to cause a denial of service attack...

PT-2020-12933 · None +2 · Aufs +2

Name of the Vulnerable Software and Affected Versions: aufs affected versions not specified Description: A local attacker could exploit the improper management of inode reference counts in the vfsub dentry open method to cause a denial of service attack. Recommendations: At the moment, there is n...

kernel: futex: refcount issue in case of requeue

A flaw was found in the way the Linux kernel's futex subsystem handled reference counting when requeuing futexes during futexwait. A local, unprivileged user could use this flaw to zero out the reference counter of an inode or an mm struct that backs up the memory area of the futex, which could...