CVE-2020-10767

A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation IBRS is available. This flaw allows a loc...

CVE-2020-10767

A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation IBRS is available. This flaw allows a loc...

Design/Logic Flaw

A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation IBRS is available. This flaw allows a loc...

CVE-2020-10768

CVE-2020-10768 affects the Linux kernel prior to 5.8-rc1, where prctl() can re-enable indirect branch speculation after it has been disabled, enabling Spectre v2-style disclosure. The vulnerability has Local attack vector and primarily impacts confidentiality; no exploitation details are provided...

CVE-2020-10768

A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threa...

CVE-2020-10768

A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threa...

CVE-2020-10767

CVE-2020-10767 affects the Linux kernel before 5.8-rc1, where Enhanced IBPB mitigation is disabled when STIBP is unavailable or when IBRS is available, enabling a Spectre V2–style attack on local confidentiality. Connected advisories confirm Linux kernel mitigations (IBPB/SSBD) and note a patched...

CVE-2020-10767

A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation IBRS is available. This flaw allows a loc...

CVE-2020-10767

A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation IBRS is available. This flaw allows a loc...

EulerOS Virtualization for ARM 64 3.0.6.0 : kernel (EulerOS-SA-2020-1892)

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 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...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2020-5805)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5805 advisory. - x86/speculation: Avoid force-disabling IBPB based on STIBP and enhanced IBRS. Anthony Steinhauser Orabug: 31557802 CVE-2020-10767 - fs/binfmtelf....

Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5804)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5804 advisory. - fs/binfmtelf.c: allocate initialized memory in fillthreadcoreinfo Alexander Potapenko Orabug: 31350638 CVE-2020-10732 - net-sysfs: call devhold if...

SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:2105-1)

The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : CVE-2019-19462: relayopen in kernel/relay.c in the Linux kernel allowed local users to cause a denial of service such as relay blockage by triggering a NULL...

kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available.

A flaw was found in the Linux kernel’s implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation IBRS is available. This flaw allows a local attacker to perfo...

kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available.

A flaw was found in the Linux kernel’s implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation IBRS is available. This flaw allows a local attacker to perfo...

Amazon Linux AMI : kernel (ALAS-2020-1401)

The version of kernel installed on the remote host is prior to 4.14.186-110.268. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1401 advisory. An issue where a provided address with accessok is not checked was discovered in i915gemexecbuffer2ioctl in...

Important: kernel

Issue Overview: An issue where a provided address with accessok is not checked was discovered in i915gemexecbuffer2ioctl in drivers/gpu/drm/i915/i915gemexecbuffer.c in the Linux kernel through 4.19.13. A local attacker can craft a malicious IOCTL function call to overwrite arbitrary kernel memory...

SUSE-SU-2020:1713-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP3 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-10768: Fixed an issue with the prctl function which could have allowed indirect branch speculation even after it has been disabled bsc1172783. -...

CVE-2020-10767

A flaw was found in the Linux kernel’s implementation of the Enhanced IBPB Indirect Branch Prediction Barrier. The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation IBRS is available. This flaw allows a local attacker to perfo...

CVE-2020-10768

A flaw was found in the prctl function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to...