Oracle Linux 8 : kernel (ELSA-2022-7683)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-7683 advisory. - x86/speculation: Add LFENCE to RSB fill sequence Waiman Long 2115080 CVE-2022-26373 - x86/speculation: Add RSB VM Exit protections Waiman Long 211508...

kernel: dm ioctl: prevent potential spectre v1 gadget

A vulnerability was found in the Linux kernel's dm-ioctl interface in the lookupioctl function, which accepts a user-provided cmd value that is used to index the ioctls array directly. This issue could lead to an out-of-bounds access if the CPU speculatively executes the array access before cmd i...

SUSE SLES15 Security Update : xen (SUSE-SU-2022:3925-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3925-1 advisory. - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing bsc1203806. - CVE-2022-33748: Fixed DoS due to race in locking...

CVE-2022-23824

A flaw was found in hw. The AMD CPUs can be attacked similar to the previously known Spectre Variant 2 CVE-2017-5715. This issue affects AMD CPUs where the OS relies on IBPB to flush the return address predictor. As a result, an unprivileged attacker could use this flaw to cross the syscall and...

RHEL 8 : kernel (RHSA-2022:7683)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:7683 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: off-path attacker may inject data or...

kernel: dm ioctl: prevent potential spectre v1 gadget

A vulnerability was found in the Linux kernel's dm-ioctl interface in the lookupioctl function, which accepts a user-provided cmd value that is used to index the ioctls array directly. This issue could lead to an out-of-bounds access if the CPU speculatively executes the array access before cmd i...

hw: cpu: arm64: Spectre-BHB

A new cache speculation vulnerability, known as Branch History Injection BHI or Spectre-BHB, was found in hw. Spectre-BHB is similar to Spectre v2, except that malicious code uses the shared branch history stored in the CPU Branch History Buffer, or BHB to influence mispredicted branches within t...

IBPB and Return Stack Buffer Interactions

Bulletin ID: AMD-SB-1040 Potential Impact: Information Disclosure Severity: Medium Summary AMD is aware of a potential vulnerability affecting AMD CPUs where the OS relies on IBPB to flush the return address predictor. This may allow for CVE-2017-5715 previously known as Spectre Variant 2 attacks...

AlmaLinux 8 : kernel-rt (ALSA-2022:7134)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2022:7134 advisory. - A kernel information leak flaw was identified in the scsiioctl function in drivers/scsi/scsiioctl.c in the Linux kernel. This flaw allows a local attack...

Oracle Linux 8 : kernel (ELSA-2022-7110)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-7110 advisory. - debug: lockdown kgdb Orabug: 34270802 CVE-2022-21499 - intelidle: Fix false positive RCU splats due to incorrect hardirqs state Waiman Long 2103167...

Amazon Linux 2 : kernel (ALASKERNEL-5.4-2022-037)

The version of kernel installed on the remote host is prior to 5.4.217-126.408. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2022-037 advisory. - Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution...

Important: kernel

Issue Overview: A use-after-free flaw was found in the Linux kernel's Unix socket Garbage Collection and iouring. This flaw allows a local user to crash or potentially escalate their privileges on the system. CVE-2022-2602 A flaw was found in hw. The unprotected alternative channel of return bran...

PT-2022-6662 · Ampere +4 · Ampereone +4

Name of the Vulnerable Software and Affected Versions: Linux affected versions not specified AmpereOne hardware affected versions not specified Description: A known cache speculation issue, similar to Spectre v2, allows malicious code to influence mispredicted branches within a victim's hardware...

Amazon Linux AMI : kernel (ALAS-2022-1636)

The version of kernel installed on the remote host is prior to 4.14.294-150.533. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2022-1636 advisory. An out-of-bounds write flaw was found in the Linux kernel's framebuffer-based console driver functionality in the w...

PT-2022-6045 · Linux +8 · Linux Kernel +8

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to 6.2 Description: A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines o...

Microsoft Patch Tuesday September 2022: CLFS Driver EoP, IP packet causes RCE, Windows DNS Server DoS, Spectre-BHB

Hello everyone! Lets take a look at Microsofts September Patch Tuesday. This time it is quite compact. There were 63 CVEs released on Patch Tuesday day. If we add the vulnerabilities released between August and September Patch Tuesdays as usual, they were in Microsoft Edge, the final number is 90...

Amazon Linux 2 : kernel, --advisory ALAS2-2022-1838 (ALAS-2022-1838)

The version of kernel installed on the remote host is prior to 4.14.291-218.527. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2022-1838 advisory. In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the...

KB5017328: Windows 11 Security Update (September 2022)

The remote Windows host is missing security update 5017328. It is, therefore, affected by multiple vulnerabilities - Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB. An attacker can leverage the shared branch history in the...

Amazon Linux 2022 : bpftool, kernel, kernel-devel (ALAS2022-2022-039)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-039 advisory. Amazon Linux has been made aware of a potential Branch Target Injection BTI issue sometimes referred to as Spectre variant 2. This is a known cross-domain transient execution attack where a thi...

Amazon Linux 2022 : bpftool, kernel, kernel-devel (ALAS2022-2022-125)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-125 advisory. A flaw was found in hw. Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions. CVE-2022-2990...