UBUNTU-CVE-2025-39880

In the Linux kernel, the following vulnerability has been resolved: libceph: fix invalid accesses to cephconnectionv1info There is a place where generic code in messenger.c is reading and another place where it is writing to con-v1 union member without checking that the union member is active i.e...

CVE-2025-39880

CVE-2025-39880 affects the Linux kernel’s libceph code path, specifically reading the ceph_connection_v1_info structure and writing into con->v1 union members without ensuring the active member (msgr1 vs msgr2). On 64-bit systems, con->v1.auth_retry overlaps con->v2.out_iter, which can y...

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 failure to check if a con-v1 union member is active, which could lead to invalid access...