CVE-2026-53243

CVE-2026-53243 affects the Linux kernel component related to RSEQ (rseq_exit_user_update). The issue is an uninitialized stack variable used in the initialization of the struct rseq_ids, where ids.node_id is derived from ids.cpu_id before it is initialized, enabling potential information leakage....

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: rseq: A segfault occurs during registration when rseqcs is non-zero. The rseqcs field is documented as being set to 0 by the user-space environment prior to registration. However, this condition is not currently enforced by the...

USN-7775-3 linux-azure-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

USN-7775-2 linux-azure vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

USN-7776-1 linux-oracle-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

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 a segment error caused by a non-zero rseqcs during rseq registration...