CVE-2026-53349

CVE-2026-53349 concerns the Linux kernel netfilter nf_conntrack component where a stale exp->expectfn pointer can survive module removal (e.g., nf_nat_h323) and be invoked later, causing a crash (Oops) in init_conntrack when a connection arrives. The fix adds nf_ct_helper_expectfn_destroy() to...

CVE-2026-52923 ipc: limit next_id allocation to the valid ID range

In the Linux kernel, the following vulnerability has been resolved: ipc: limit nextid allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids-nextid. ipcidralloc currently forwards that request to idralloc with an open-ended upper bound. If...

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 inet6create in the net:afcan module not clearing the dangling sk pointer, which could lead to reuse after...

UBUNTU-CVE-2023-46751

An issue was discovered in the function gdevprnopenprinterseekable in Artifex Ghostscript through 10.02.0 allows remote attackers to crash the application via a dangling pointer...