CVE-2026-23057

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Coalesce only linear skb vsock/virtio common tries to coalesce buffers in rx queue: if a linear skb with a spare tail room is followed by a small skb length limited by GOODCOPYLEN = 128, an attempt is made to join...

CVE-2026-23048 udp: call skb_orphan() before skb_attempt_defer_free()

In the Linux kernel, the following vulnerability has been resolved: udp: call skborphan before skbattemptdeferfree Standard UDP receive path does not use skb-destructor. But skmsg layer does use it, since it calls skbsetownersksafe from udpreadskb. This then triggers this warning in...

Linux Distros Unpatched Vulnerability : CVE-2026-23083

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fou: Don't allow 0 for FOUATTRIPPROTO. fouudprecv has the same problem mentioned in the previous patch. If FOUATTRIPPROTO is set to 0, skb is not freed by...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from attempts to merge non-linear skb structures, potentially leading to data loss...

CVE-2026-23016

In the Linux kernel, the following vulnerability has been resolved: inet: frags: drop fraglist conntrack references Jakub added a warning in nfconntrackcleanupnetlist to make debugging leaked skbs/conntrack references more obvious. syzbot reports this as triggering, and I can also reproduce this...

PT-2026-43753

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel where the prototype for the bpf xdp store bytes function is incorrect. The verifier incorrectly expects the third argument to be of type ARG PTR TO...

SUSE CVE-2026-22988

In the Linux kernel, the following vulnerability has been resolved: arp: do not assume devhardheader does not change skb-head arpcreate is the only devhardheader caller making assumption about skb-head being unchanged. A recent commit broke this assumption. Initialize @arp pointer after...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004950)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004950 advisory. In the Linux kernel, the following vulnerability has been resolved: pptp: ensure minimal skb length in pptpxmit Commit aabc6596ffb3 net: ppp: Add bound checking for...

CVE-2026-23011

In the Linux kernel, the following vulnerability has been resolved: ipv4: ipgre: make ipgreheader robust Analog to commit db5b4e39c4e6 "ip6gre: make ip6greheader robust" Over the years, syzbot found many ways to crash the kernel in ipgreheader 1. This involves team or bonding drivers ability to...

EUVD-2026-4623

In the Linux kernel, the following vulnerability has been resolved: ipv4: ipgre: make ipgreheader robust Analog to commit db5b4e39c4e6 "ip6gre: make ip6greheader robust" Over the years, syzbot found many ways to crash the kernel in ipgreheader 1. This involves team or bonding drivers ability to...

CVE-2026-22988

In the Linux kernel, the following vulnerability has been resolved: arp: do not assume devhardheader does not change skb-head arpcreate is the only devhardheader caller making assumption about skb-head being unchanged. A recent commit broke this assumption. Initialize @arp pointer after...

CVE-2026-22988 arp: do not assume dev_hard_header() does not change skb->head

In the Linux kernel, the following vulnerability has been resolved: arp: do not assume devhardheader does not change skb-head arpcreate is the only devhardheader caller making assumption about skb-head being unchanged. A recent commit broke this assumption. Initialize @arp pointer after...

CVE-2026-22988

In the Linux kernel, the following vulnerability has been resolved: arp: do not assume devhardheader does not change skb-head arpcreate is the only devhardheader caller making assumption about skb-head being unchanged. A recent commit broke this assumption. Initialize @arp pointer after...

CVE-2026-22988

CVE-2026-22988 affects the Linux kernel’s arp handling, specifically the assumption that skb->head remains unchanged after dev_hard_header() in arp_create(). The issue arises when a recent commit altered skb->head, breaking that assumption. The publicly provided description and OpenVAS/Ness...

CVE-2026-22979

In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in skbsegmentlist for GRO packets When skbsegmentlist is called during packet forwarding, it handles packets that were aggregated by the GRO engine. Historically, the segmentation logic in skbsegmentlist...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37918)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37918 advisory. - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: avoid NULL pointer...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21775)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21775 advisory. - In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37749)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37749 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: ppp: Add bound checking for skb dat...

Azure Linux 3.0 Security Update: kernel (CVE-2024-45001)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-45001 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix RX buf allocsize alignmen...

CVE-2026-22977 net: sock: fix hardened usercopy panic in sock_recv_errqueue

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...