CVE-2026-53262

Affected component: Linux kernel l2tp PPPoL2TP ioctl path. The vulnerability arises because pppol2tp_ioctl() read sock->sk->sk_user_data without locks or reference counting. A controllable sleep during copy_from_user (e.g., userfaultfd sleep) could allow a concurrent socket close to trigger...

CVE-2023-54076

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent @ses-dfsrootses of being put in the next call to cifsputsmbses and thus...

CVE-2023-54076 smb: client: fix missed ses refcounting

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent @ses-dfsrootses of being put in the next call to cifsputsmbses and thus...

CVE-2023-54076

Technical details about CVE-2023-54076 are not publicly provided in the supplied documents. Monitor for vendor advisories for full specifics and remediation guidance.

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 Linux kernel that stems from improper handling of session reference counting, which could lead to reuse after release...