CVE-2022-49611 x86/speculation: Fill RSB on vmexit for IBRS

In the Linux kernel, the following vulnerability has been resolved: x86/speculation: Fill RSB on vmexit for IBRS Prevent RSB underflow/poisoning attacks with RSB. While at it, add a bunch of comments to attempt to document the current state of tribal knowledge about RSB attacks and what exactly i...

CVE-2022-49611

In the Linux kernel, the following vulnerability has been resolved: x86/speculation: Fill RSB on vmexit for IBRS Prevent RSB underflow/poisoning attacks with RSB. While at it, add a bunch of comments to attempt to document the current state of tribal knowledge about RSB attacks and what exactly i...

CVE-2022-49611

The CVE-2022-49611 entry refers to a Linux kernel x86 speculation mitigation: Fill RSB on vmexit for IBRS to prevent RSB underflow/poisoning. The description notes mitigation is implemented in the kernel and documents tribal knowledge about RSB attacks. Connected Nessus/OpenVAS entries for EulerO...

CVE-2022-49611 x86/speculation: Fill RSB on vmexit for IBRS

In the Linux kernel, the following vulnerability has been resolved: x86/speculation: Fill RSB on vmexit for IBRS Prevent RSB underflow/poisoning attacks with RSB. While at it, add a bunch of comments to attempt to document the current state of tribal knowledge about RSB attacks and what exactly i...

SUSE CVE-2023-0045

The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ibprctlset function updates the Thread Information Flags TIFs for the task and updates the SPECCTRL MSR on the function speculationctrlupdate, but the IBPB is only issued on the next schedul...

PT-2025-11025

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to io uring. The issue involves preventing opcode speculation, where sqe-opcode is used for different tables and needs to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/xen: Do not perform the PV iret hypercall through the hypercall page. Instead of jumping to the Xen hypercall page to execute the iret hypercall, the required sequence is directly coded in the xen-asm.S file. This action is...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: sched: schmultiq: fix possible OOB write in multiqtune CVE-2024-36978 In the Linux kernel, the following vulnerability has been resolved: usb-storage: alauda: Check whether the media is initialized...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: CDC-NCM: avoid overflow in sanity checking CVE-2022-48938 In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use CVE-2024-26921 In the Linux...

DEBIAN-CVE-2024-53241

In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer usin...

CVE-2024-53241

In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer usin...

CVE-2024-53241 x86/xen: don't do PV iret hypercall through hypercall page

In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer usin...

CVE-2024-53241

CVE-2024-53241 affects the Linux kernel when running with Xen PV guests. The root cause is an unsafe PV iret hypercall path via the Xen hypercall page. The fix replaces the hypercall-page jump with an inlined sequence in xen-asm.S to stop using the hypercall page, preparing for its removal due to...

CVE-2024-53241 x86/xen: don't do PV iret hypercall through hypercall page

In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer usin...

CVE-2024-53241: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer usin...

SUSE CVE-2024-53241

In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer usin...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

DEBIAN-CVE-2024-50112

In the Linux kernel, the following vulnerability has been resolved: x86/lam: Disable ADDRESSMASKING in most cases Linear Address Masking LAM has a weakness related to transient execution as described in the SLAM paper1. Unless Linear Address Space Separation LASS is enabled this weakness may be...

CVE-2024-50112

In the Linux kernel, the following vulnerability has been resolved: x86/lam: Disable ADDRESSMASKING in most cases Linear Address Masking LAM has a weakness related to transient execution as described in the SLAM paper1. Unless Linear Address Space Separation LASS is enabled this weakness may be...

AZL-52590 CVE-2024-50102 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: x86: fix user address masking non-canonical speculation issue It turns out that AMD has a "Meltdown Litetm" issue with non-canonical accesses in kernel space. And so using just the high bit to decide whether an access is in user...