CVE-2026-64548 bpf, sockmap: reject overflowing copy + len in bpf_msg_push_data()

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: reject overflowing copy + len in bpfmsgpushdata When the scatterlist ring is full or nearly full, bpfmsgpushdata enters a copy fallback path and computes copy + len for the page allocation size. Since len comes from...

RHEL 9 : kernel (RHSA-2026:6310)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:6310 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Use-after-free i...

Linux Distros Unpatched Vulnerability : CVE-2023-53836

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf, sockmap: Fix skb refcnt race after locking changes There is a race where skb's from the skpsockbacklog can be referenced after userspace side has already...

CVE-2023-52986

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Check for any of tcpbpfprots when cloning a listener A listening socket linked to a sockmap has its skprot overridden. It points to one of the struct proto variants in tcpbpfprots. The variant depends on the socket'...

UBUNTU-CVE-2024-56720

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpfmsgpopdata Several fixes to bpfmsgpopdata, 1. In skmsgshiftleft, we should putpage 2. if len == 0, return early is better 3. pop the entire skmsg last == msg-sg.size should be supported 4. Fix fo...

CVE-2024-56664

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix race between element replace and close Element replace with a socket different from the one stored may race with socket's close link popping & unlinking. sockmapdelete unconditionally unrefs the wrong element: /...

Linux kernel sockmap DoS

The vulnerability of the sockmap component in the Linux operating system’s kernel is related to improper locking of resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

Linux kernel sockmap DoS

The vulnerability of the sockmap component in the Linux operating system’s kernel is related to the assignment of a zero pointer. Exploiting this vulnerability can allow an attacker to cause a service failure...

Linux BPF may_update_sockmap Data Compromise

The vulnerability of the mayupdatesockmap function in the kernel/bpf/verifier.c module of the BPF subsystem of the Linux operating system is related to insufficient privilege checks. Exploiting this vulnerability could allow an attacker to compromise the integrity of protected information...