SUSE CVE-2026-64541

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix UAF in smccdcrxhandler by pinning the socket smccdcrxhandler looks up the connection by token under the link group's connslock, drops the lock, and then dereferences conn and the smcsock derived from it, ending in...

Linux Distros Unpatched Vulnerability : CVE-2026-64548

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf, sockmap: reject overflowing copy + len in bpfmsgpushdata When the scatterlist ring is full or nearly full, bpfmsgpushdata enters a copy fallback path and...

CVE-2026-64518

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix out-of-bounds access for twsk in tcpaoestablishedkey. lockdepsockisheld was added in tcpaoestablishedkey by the cited commit. It can be called from tcpv46timewaitack with twsk. Since it does not have sk-sklock, the lockd...

CVE-2026-64518 tcp: Fix out-of-bounds access for twsk in tcp_ao_established_key().

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix out-of-bounds access for twsk in tcpaoestablishedkey. lockdepsockisheld was added in tcpaoestablishedkey by the cited commit. It can be called from tcpv46timewaitack with twsk. Since it does not have sk-sklock, the lockd...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-2001)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2001 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: do shared-unconfirmed check before segmentation CVE-2026-45859 In the Linux kernel, the following...

Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1970)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1970 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use listdelrcu for netlink hooks CVE-2026-46324 In the Linux kernel, the following vulnerability has be...

Important: kernel6.18

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udptunnelxmitskb CVE-2026-53070 In the Linux kernel, the following vulnerability has been resolved: bpf: Fix same-register dst/src OOB read and pointer leak in sockops CVE-2026-5307...

Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1969)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1969 advisory. In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udptunnelxmitskb CVE-2026-53070 In the Linux kernel, the following vulnerability has been...

CVE-2026-64011

In the Linux kernel, the following vulnerability has been resolved: nfc: llcp: Fix use-after-free in llcpsockrelease llcpsockrelease unconditionally unlinks the socket from the local sockets list. However, if the socket is still in connecting state, it is on the connecting list. Fix this by...

CVE-2026-64045

CVE-2026-64045 (Linux kernel, ovpn tcp close race) : The vulnerability stems from ovpn_tcp_close() loading the ovpn_socket pointer under RCU read-lock, then using sock->peer after releasing the lock, while ovpn_socket_release() may detach the socket concurrently. The fix tightens the pattern b...

CVE-2026-63946

CVE-2026-63946: In the Linux kernel Bluetooth ISO path, iso_recv_frame can use a freed sk due to holding iso_conn_lock but releasing it before using conn->sk. The fix replaces a bare pointer read with iso_sock_hold(conn), which holds the sock while the spinlock is still held and atomically inc...

CVE-2026-63871

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix data-race on isopi fields in hcigetroute calls isoconnectbis, isoconnectcis, isolistenbis, and isoconnbigsync call hcigetroute using isopisk-dst, isopisk-src, and isopisk-srctype without holding locksock. Thes...

EUVD-2026-44772

Cilium is a networking, observability, and security solution. Prior to 1.17.14, 1.18.8, and 1.19.2, when Cilium L7 functionality is enabled, the embedded or standalone Envoy instance creates a world-accessible admin.sock on cluster nodes, allowing a local attacker to access Envoy admin endpoints,...

CVE-2026-50312 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

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Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

External control of file name or path in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

kernel: Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold

A flaw was found in the Linux kernel's Bluetooth SCO Synchronous Connection-Oriented protocol implementation. The scorecvframe function fails to properly hold a reference to a socket after releasing a lock. This oversight allows a concurrent operation to free the socket while it is still being...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed a race condition in mptcpschedulework syzbot reported a use-after-free in mptcpschedulework 1 The issue arises from mptcpschedulework scheduling a task, then checking the refcount of sk-skrefcnt if the task was...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: tls: Use skdstget and dstdevrcu in getnetdevforsock. getnetdevforsock is called during setsockopt, so it isn’t under RCU. Using skdstgetsk-dev could trigger a Use-After-Forgiving UAF condition. Let’s use skdstget and dstdevrcu...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the net:sock section, the issue of a “hardened usercopy panic” in sockrecverrqueue has been fixed. The skbufffclonecache structure was created without defining a usercopy region. Unlike the skbuffheadcache, which properly...

SUSE CVE-2026-53223

In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue skbs skbiserrqueue treats PACKETOUTGOING as the sole marker for an skb from skerrorqueue. That assumption is not true for AFPACKET sockets: outgoing packet taps are also delivered to...