Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed a panic that occurred when calling skblinearize. The panic can be reproduced by executing the command: ./bench sockmap -c 2 -p 1 -a --rx-verdict-ingress --rx-strp 100000 A kernel panic was then captured: '''...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bpf, sockmap: Fixed issues where data was not being charged when msg-sg.size contained more data. In tcpbpfsendverdict: If msg-sg.size contains more data after tcpbpfsendmsgredir: c tcpbpfsendverdict tosend = msg-sg.size...

Linux Distros Unpatched Vulnerability : CVE-2026-80735

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ovpn: ensure socket is owned by ovpn before deref skuserdata Some subsystems, like BPF SOCKMAP, set skuserdata without actually setting the encaptype. For this...

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500248)

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500248 advisory. - inet: frags: strip GSO state from fragments before reassembly Xinyang Ge Orabug: 39974840 CVE-2026-80590 - KVM: x86: Cancel delayed I/O APIC E...

CVE-2026-80735

In the Linux kernel, the following vulnerability has been resolved: ovpn: ensure socket is owned by ovpn before deref skuserdata Some subsystems, like BPF SOCKMAP, set skuserdata without actually setting the encaptype. For this reason, we must make sure that the type is the one ovpn expects befor...

UBUNTU-CVE-2026-80735

In the Linux kernel, the following vulnerability has been resolved: ovpn: ensure socket is owned by ovpn before deref skuserdata Some subsystems, like BPF SOCKMAP, set skuserdata without actually setting the encaptype. For this reason, we must make sure that the type is the one ovpn expects befor...

EUVD-2026-70339

In the Linux kernel, the following vulnerability has been resolved: ovpn: ensure socket is owned by ovpn before deref skuserdata Some subsystems, like BPF SOCKMAP, set skuserdata without actually setting the encaptype. For this reason, we must make sure that the type is the one ovpn expects befor...

CVE-2026-80735

CVE-2026-80735 affects the ovpn (OpenVPN) module in the Linux kernel . The root cause is a missing type-check: subsystems such as BPF SOCKMAP can set sk_user_data without setting the expected encap_type, and the ovpn driver dereferences sk_user_data without verifying the socket is actually owned ...

CVE-2026-80735 ovpn: ensure socket is owned by ovpn before deref sk_user_data

In the Linux kernel, the following vulnerability has been resolved: ovpn: ensure socket is owned by ovpn before deref skuserdata Some subsystems, like BPF SOCKMAP, set skuserdata without actually setting the encaptype. For this reason, we must make sure that the type is the one ovpn expects befor...

CVE-2026-80735 ovpn: ensure socket is owned by ovpn before deref sk_user_data

In the Linux kernel, the following vulnerability has been resolved: ovpn: ensure socket is owned by ovpn before deref skuserdata Some subsystems, like BPF SOCKMAP, set skuserdata without actually setting the encaptype. For this reason, we must make sure that the type is the one ovpn expects befor...

PT-2026-84933

In the Linux kernel, the following vulnerability has been resolved: ovpn: ensure socket is owned by ovpn before deref sk user data Some subsystems, like BPF SOCKMAP, set sk user data without actually setting the encap type. For this reason, we must make sure that the type is the one ovpn expects...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-002714)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-002714 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Prevent lock inversion deadlock in map delete elem syzkaller started using corpuse...

SUSE-SU-2026:3810-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2025-68741: scsi: qla2xxx: Fix improper freeing of purex item bsc1255703. - CVE-2025-68818: scsi: Revert 'scsi: qla2xxx: Perform lockless command completion in...

SUSE CVE-2026-74256

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix integer overflow in bpfmsgpopdata bounds check start and len are u32, so u64 last = start + len; evaluates start + len in 32-bit and wraps before storing it in last. The bounds check if start = offset + l || las...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-104612)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104612 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix integer overflow in bpfmsgpopdata bounds check start and len are u32, so u64 la...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-104539)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104539 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix integer overflow in bpfmsgpopdata bounds check start and len are u32, so u64 la...

CVE-2026-74589

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF sockmap feature. A use-after-free vulnerability exists in the skredir mechanism within the tcpbpfsendmsgredir function. This occurs when a socket reference is prematurely released while another thread still holds a raw pointer to i...

SUSE CVE-2026-74589

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix skredir use-after-free in send verdict skpsockmsgverdict takes a socket reference for psock-skredir. tcpbpfsendverdict copies that pointer while holding the source socket lock, but does not take a reference for...

AZL-97212 CVE-2026-74589 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix skredir use-after-free in send verdict skpsockmsgverdict takes a socket reference for psock-skredir. tcpbpfsendverdict copies that pointer while holding the source socket lock, but does not take a reference for...

CVE-2026-74589

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix skredir use-after-free in send verdict skpsockmsgverdict takes a socket reference for psock-skredir. tcpbpfsendverdict copies that pointer while holding the source socket lock, but does not take a reference for...