CVE-2022-49001: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: riscv: fix race when vmap stack overflow Currently, when detecting vmap stack overflow, riscv firstly switches to the so called shadow stack, then use this shadow stack to call the getoverflowstack to get the overflow stack...

SUSE CVE-2023-52761

In the Linux kernel, the following vulnerability has been resolved: riscv: VMAPSTACK overflow detection thread-safe commit 31da94c25aea "riscv: add VMAPSTACK overflow detection" added support for CONFIGVMAPSTACK. If overflow is detected, CPU switches to shadowstack temporarily before switching...

CVE-2021-47553

In the Linux kernel, the following vulnerability has been resolved: sched/scs: Reset task stack state in bringupcpu To hot unplug a CPU, the idle task on that CPU calls a few layers of C code before finally leaving the kernel. When KASAN is in use, poisoned shadow is left around for each of the...

CVE-2021-47553 sched/scs: Reset task stack state in bringup_cpu()

In the Linux kernel, the following vulnerability has been resolved: sched/scs: Reset task stack state in bringupcpu To hot unplug a CPU, the idle task on that CPU calls a few layers of C code before finally leaving the kernel. When KASAN is in use, poisoned shadow is left around for each of the...

DEBIAN-CVE-2023-52761

In the Linux kernel, the following vulnerability has been resolved: riscv: VMAPSTACK overflow detection thread-safe commit 31da94c25aea "riscv: add VMAPSTACK overflow detection" added support for CONFIGVMAPSTACK. If overflow is detected, CPU switches to shadowstack temporarily before switching...

UBUNTU-CVE-2023-52761

In the Linux kernel, the following vulnerability has been resolved: riscv: VMAPSTACK overflow detection thread-safe commit 31da94c25aea "riscv: add VMAPSTACK overflow detection" added support for CONFIGVMAPSTACK. If overflow is detected, CPU switches to shadowstack temporarily before switching...

MGASA-2024-0115 Updated xen packages fix security vulnerabilities

x86: shadow stack vs exceptions from emulation stubs. CVE-2023-46841 x86: Register File Data Sampling. CVE-2023-28746 GhostRace: Speculative Race Conditions. CVE-2024-2193...

Updated xen packages fix security vulnerabilities

x86: shadow stack vs exceptions from emulation stubs. CVE-2023-46841 x86: Register File Data Sampling. CVE-2023-28746 GhostRace: Speculative Race Conditions. CVE-2024-2193...

SUSE-SU-2024:1102-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-28746: Register File Data Sampling bsc1221332 - CVE-2024-2193: Fixed GhostRace, a speculative race conditions. bsc1221334 - CVE-2023-46841: Hhadow stack vs exceptions from emulation stubs bsc1219885...

SUSE-SU-2024:0935-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-46841: Fixed shadow stack vs exceptions from emulation stubs XSA-451 bsc1219885...

SUSE-SU-2024:0934-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-46841: Fixed shadow stack vs exceptions from emulation stubs XSA-451 bsc1219885...

Fedora 38 : xen (2024-0da80aa623)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-0da80aa623 advisory. x86: shadow stack vs exceptions from emulation stubs - XSA-451, CVE-2023-46841 2266326 Tenable has extracted the preceding description block directl...

SUSE-SU-2024:0830-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-46839: Fixed memory access through PCI device with phantom functions XSA-449 bsc1218851. - CVE-2023-46840: Fixed Failure to quarantine devices in !HVM builds XSA-450 bsc1219080. - CVE-2023-46841: Fixed shadow stack vs exceptions from...

PT-2024-13384 · Xen +2 · Xen +2

Name of the Vulnerable Software and Affected Versions: Xen affected versions not specified Description: The issue is related to the interaction between the Control-flow Enforcement Technology CET and the Xen emulation. CET is a hardware feature designed to protect against Return Oriented...

AlmaLinux 9 : kernel (ALSA-2023:5069)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:5069 advisory. - A flaw that boot CPU could be vulnerable for the speculative execution behavior kind of attacks in the Linux kernel X86 CPU Power management options...

AlmaLinux 9 : kernel-rt (ALSA-2023:5091)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2023:5091 advisory. - A flaw that boot CPU could be vulnerable for the speculative execution behavior kind of attacks in the Linux kernel X86 CPU Power management options...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: bypass of shadow stack protection due to a logic error

A vulnerability was found in the efirtasmwrapper of the efi-rt-wrapper.S in the Linux kernel, where there is a possible bypass of shadow stack protection due to a logic error in the code. This flaw could lead to local escalation of privilege without additional execution privileges needed...

kernel: bypass of shadow stack protection due to a logic error

A vulnerability was found in the efirtasmwrapper of the efi-rt-wrapper.S in the Linux kernel, where there is a possible bypass of shadow stack protection due to a logic error in the code. This flaw could lead to local escalation of privilege without additional execution privileges needed...

Important: kernel-rt security and bug fix update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: UAF in nftables when nftsetlookupglobal triggered after handling named and anonymous sets in batch requests CVE-2023-3390 kernel:...