kernel: SELinux netlink permission check bypass

A flaw was found in the Linux kernel’s SELinux LSM hook implementation, where it anticipated the skb would only contain a single Netlink message. The hook incorrectly validated the first Netlink message in the skb only, to allow or deny the rest of the messages within the skb with the granted...

EulerOS 2.0 SP5 : kernel (EulerOS-SA-2020-1920)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - In calcvmmayflags of ashmem.c, there is a possible arbitrary write to shared memory due to a permissions bypass. This could lead to local...

SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:1599-1)

The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1603-1)

The SUSE Linux Enterprise 12 SP4 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which...

UBUNTU-CVE-2020-10751

A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages...

CVE-2020-10751

The issue CVE-2020-10751 affects the Linux kernel SELinux LSM hook. It incorrectly validates only the first Netlink message in an skb, causing subsequent messages in the same skb to be granted permissions without further processing. This could enable bypass of SELinux netlink restrictions and, pe...

CVE-2020-10751

A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages...

CVE-2020-10751: Acceptance of Extraneous Untrusted Data With Trusted Data

A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages...