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: /...

The vulnerability of the sockmap component in the Linux operating system’s kernel allows a hacker to cause a service failure.

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...

The vulnerability of the sockmap component in the Linux operating system’s kernel allows a hacker to cause a service failure.

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...

The vulnerability of the may_update_sockmap() function in the BPF subsystem of the Linux operating system allows a attacker to compromise the integrity of the protected information.

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...