CVE-2026-89487 openvswitch: only skb_tx_error() a packet we are about to drop

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

EUVD-2026-76393

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

CVE-2026-89487 openvswitch: only skb_tx_error() a packet we are about to drop

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

CVE-2026-89487

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

CVE-2026-89487

CVE-2026-89487 affects the openvswitch subsystem in the Linux kernel. The bug resides in queue_userspace_packet(), whose error path calls skb_tx_error() on a packet that is still being forwarded through remaining flow actions. This call strips SKBFL_SHARED_FRAG from the live skb via skb_zcopy_cle...

PT-2026-90203

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skb tx error a packet we are about to drop queue userspace packet borrows the packet skb -- it only copies it into a private netlink message user skb and does not own it; on return do execute actions keeps...

django CMS: Page cache ignores plugin-declared Vary headers (disclosure & poisoning)

SummaryThe CMS page cache key ignores the request headers that plugins declare via getvarycacheon. The header is added to the response Vary header, but the CMS's own cache key does not incorporate the header values, so the first visitor's variant is served to all subsequent visitors regardless of...

PYSEC-2026-3824 django CMS: Page cache ignores plugin-declared Vary headers (disclosure & poisoning)

Summary The CMS page cache key ignores the request headers that plugins declare via getvarycacheon. The header is added to the response Vary header, but the CMS's own cache key does not incorporate the header values, so the first visitor's variant is served to all subsequent visitors regardless o...

copy-fail-python

copy-fail-python A compact, zero-dependency Python proof-of-concept for Copy Fail CVE-2026-31431, a Linux kernel local privilege escalation through AFALG and splice that corrupts the page cache of a readable file such as /usr/bin/su. This is a port of the Theori PoC with two practical changes: th...

CVE-2026-83627

The Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.21.0 via the logmsg function in core/modules/class-page-cache.php. The page-cache debug log is written to...

CVE-2026-83627

The Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN plugin for WordPress (versions ≤ 3.21.0 ) is vulnerable to unauthenticated remote code execution via a flaw in the page cache debug log. The protective

CVE-2026-83627 Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN <= 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log

The Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.21.0 via the logmsg function in core/modules/class-page-cache.php. The page-cache debug log is written to...

PT-2026-86312

Name of the Vulnerable Software and Affected Versions Hummingbird versions prior to 3.21.1 Description Remote Code Execution is possible via the log msg function in core/modules/class-page-cache.php. The page-cache debug log is written to a web-accessible PHP file that fails to maintain a...

WordPress Hummingbird - Speed Optimization, Caching, Minify, Compress & CDN plugin <= 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log vulnerability

WordPress Hummingbird - Speed Optimization, Caching, Minify, Compress & CDN plugin = 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log vulnerability discovered by Kuba in WordPress Plugin Hummingbird versions = 3.21.0...

CVE-2026-80807

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

AZL-99510 CVE-2026-80807 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

CVE-2026-80807 nilfs2: reject invalid block index in GC ioctl

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

EUVD-2026-71242

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

PT-2026-85648

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double list add tail call on bh-b assoc buffers within nilfs lookup dirty data buffers. Analysis revealed that the root cause was the...

Linux Distros Unpatched Vulnerability : CVE-2026-80807

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within...