CVE-2026-46321

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

CVE-2026-46321

Summary. CVE-2026-46321 concerns the Linux kernel tun/tap with vhost-net, where a short-frame rejection path in tun_xdp_one() can leak memory pages. Specifically, when a frame is shorter than ETH_HLEN, tun_xdp_one() returns -EINVAL without freeing the page allocated by vhost_net_build_xdp(). tun_...

CVE-2026-46321 tun: free page on short-frame rejection in tun_xdp_one()

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

CVE-2026-46321 tun: free page on short-frame rejection in tun_xdp_one()

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

CVE-2026-46319 net/sched: act_ct: Only release RCU read lock after ct_ft

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: Only release RCU read lock after ctft When looking up a flow table in actct in tcfctflowtableget, rhashtablelookupfast internally opens and closes an RCU read critical section before returning ctft. The...

CVE-2026-46319

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: Only release RCU read lock after ctft When looking up a flow table in actct in tcfctflowtableget, rhashtablelookupfast internally opens and closes an RCU read critical section before returning ctft. The...

CVE-2026-46320

In the Linux kernel, the following vulnerability has been resolved: tap: free page on error paths in tapgetuserxdp tapgetuserxdp rejects a frame shorter than ETHHLEN with -EINVAL, and returns -ENOMEM when buildskb fails. Both paths jump to the err label without freeing the page that...

CVE-2026-46320 tap: free page on error paths in tap_get_user_xdp()

In the Linux kernel, the following vulnerability has been resolved: tap: free page on error paths in tapgetuserxdp tapgetuserxdp rejects a frame shorter than ETHHLEN with -EINVAL, and returns -ENOMEM when buildskb fails. Both paths jump to the err label without freeing the page that...

CVE-2026-46320 tap: free page on error paths in tap_get_user_xdp()

In the Linux kernel, the following vulnerability has been resolved: tap: free page on error paths in tapgetuserxdp tapgetuserxdp rejects a frame shorter than ETHHLEN with -EINVAL, and returns -ENOMEM when buildskb fails. Both paths jump to the err label without freeing the page that...

CVE-2026-46739

A flaw was found in perl-Net-Statsd. This vulnerability allows an attacker to inject additional statsd metrics due to insufficient validation of metric names and values. Specifically, the software does not properly check for newlines, colons, or pipes in metric names, nor does it ensure that valu...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: CVE-2026-31405: media: dvb-net: fix OOB access in ULE extension header tables bsc1261700. CVE-2026-31473: media: mc, v4l2: serialize REINIT and REQBUFS with reqqueuemutex...

CVE-2026-5068 bt: l2cap le coc: remote oob write via seg counter stored in net_buf user_data

A remote, unauthenticated BLE peer can trigger a 2-byte out-of-bounds write in the Bluetooth host during L2CAP LE CoC SDU reassembly. When the application enables segmentation via chanops.allocbuf and the chosen RX pool has a userdatasize smaller than 2 bytes, the segmentation counter stored in t...

CVE-2026-5068 bt: l2cap le coc: remote oob write via seg counter stored in net_buf user_data

A remote, unauthenticated BLE peer can trigger a 2-byte out-of-bounds write in the Bluetooth host during L2CAP LE CoC SDU reassembly. When the application enables segmentation via chanops.allocbuf and the chosen RX pool has a userdatasize smaller than 2 bytes, the segmentation counter stored in t...

SUSE CVE-2026-46297

In the Linux kernel, the following vulnerability has been resolved: net: libwx: use requestirq for VF misc interrupt Currently, requestthreadedirq is used with a primary handler but a NULL threaded handler, while also setting the IRQFONESHOT flag. This specific combination triggers a WARNING sinc...

CVE-2026-36784

Shenzhen Tenda Technology Co., Ltd Tenda O3 Wireless Router v1.0.0.54180 was discovered to contain a stack overflow in the ip parameter of the fromNetToolGet function. This vulnerability allows attackers to cause a Denial of Service DoS via a HTTP request...

PT-2026-47756

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the act ct component of the Linux kernel. The problem occurs in the tcf ct flow table get function when looking up a flow table. The function...

CVE-2026-46319

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: Only release RCU read lock after ctft When looking up a flow table in actct in tcfctflowtableget, rhashtablelookupfast internally opens and closes an RCU read critical section before returning ctft. The...

Linux Distros Unpatched Vulnerability : CVE-2026-46321

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp...

CVE-2026-45591

Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from design flaws in the TCP ULP support implemented in the net/smc module. This vulnerability allows an...