CVE-2026-98049

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter subsystem. When executing a 32-bit atomic compare-and-exchange operation on arena memory, the kernel fails to properly clear zero-extend the upper half of the target register as required by BPF specifications. A local attacker with...

EUVD-2019-7761

Malware in sbrugna...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from marking a page as dirty even if CMPXCHG fails because old data is written back on failure, i.e. the page is...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: locking/qrwlock: Fix ordering in queuedwritelockslowpath While this code is executed with the waitlock held, a reader can acquire the lock without holding waitlock. The writer side loops checking the value with the...

GSD-2022-1002211 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.189 by commit...

GSD-2022-1002037 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.110 by commit...

GSD-2022-1001769 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.33 by commit...

GSD-2022-1001448 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.16.19 by commit...

GSD-2022-1001122 KVM: x86/mmu: do compare-and-exchange of gPTE via the user address

KVM: x86/mmu: do compare-and-exchange of gPTE via the user address This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.2 by commit...

DEBIAN-CVE-2019-17350

An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service infinite loop involving a compare-and-exchange operation...

UBUNTU-CVE-2019-17350

An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service infinite loop involving a compare-and-exchange operation...

CVE-2019-17350: Loop with Unreachable Exit Condition

An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service infinite loop involving a compare-and-exchange operation...

PT-2019-5146 · Xen · Xen

Name of the Vulnerable Software and Affected Versions: Xen versions prior to 4.13 Description: An issue in Xen allows Arm domU attackers to cause a denial of service through an infinite loop involving a compare-and-exchange operation. This can be exploited to disrupt service. Recommendations: For...

Unlimited Arm Atomics Operations

ISSUE DESCRIPTION Software targeting pre-Armv8.1-A hardware, Xen included, commonly implements atomics using Load/Store exclusive instructions in a loop that will terminate once the store succeeded. As per the Armv8-A Architecture Reference Manual ARM DDI0487D.a, paragraph 2.9.5 "Load-Exclusive a...