CVE-2025-71227 wifi: mac80211: don't WARN for connections on invalid channels

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't WARN for connections on invalid channels It's not clear to me how exactly syzbot managed to hit this, but it seems conceivable that e.g. regulatory changed and has disabled a channel between scanning channel...

CVE-2025-71226

The CVE-2025-71226 affects the Linux kernel’s iwlwifi driver for MVM/MLD PTP clocks. The vulnerability stemmed from not implementing settime64 in the PTP clock, causing -EINVAL warnings on ptp_clock_register. The fix adds a stub for settime64 that returns -EOPNOTSUPP to suppress the warning and a...

CVE-2026-2439

Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids. The generatesessionid function in Concierge::Sessions::Base defaults to using the uuidgen command to generate a UUID, with a fallback to using Perl's built-in rand function. Neither of these methods are...

Linux Distros Unpatched Vulnerability : CVE-2025-71226

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: iwlwifi: Implement settime64 as stub for MVM/MLD PTP Since commit dfb073d32cac ptp: Return -EINVAL on ptpclockregister if required ops are NULL, PTP clock...

Linux Distros Unpatched Vulnerability : CVE-2026-23219

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/slab: Add alloctaggingslabfreehook for memcgallocabortsingle When CONFIGMEMALLOCPROFILINGDEBUG is enabled, the following warning may be noticed: 3959.023862...

Linux Distros Unpatched Vulnerability : CVE-2025-71227

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: mac80211: don't WARN for connections on invalid channels It's not clear to me how exactly syzbot managed to hit this, but it seems conceivable that e.g...

CVE-2026-2439 Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids

Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids. The generatesessionid function in Concierge::Sessions::Base defaults to using the uuidgen command to generate a UUID, with a fallback to using Perl's built-in rand function. Neither of these methods are...

CVE-2026-2439 Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids

Concierge::Sessions versions from 0.8.1 before 0.8.5 for Perl generate insecure session ids. The generatesessionid function in Concierge::Sessions::Base defaults to using the uuidgen command to generate a UUID, with a fallback to using Perl's built-in rand function. Neither of these methods are...

CVE-2026-2451 Unsafe variable evaluation in email templates

Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when name is used in an email template, it will be replaced with the buyer's name for the final email. This mechanism contained a security-relevant bug: It was possible to exfiltrate information...

SUSE CVE-2026-23149

In the Linux kernel, the following vulnerability has been resolved: drm: Do not allow userspace to trigger kernel warnings in drmgemchangehandleioctl Since GEM bo handles are u32 in the uapi and the internal implementation uses idralloc which uses int ranges, passing a new handle larger than INTM...

CVE-2026-23203

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

UBUNTU-CVE-2025-71224

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: ocb: skip rxnosta when interface is not joined ieee80211ocbrxnosta assumes a valid channel context, which is only present after JOINOCB. RX may run before JOINOCB is executed, in which case the OCB interface is no...

UBUNTU-CVE-2026-23149

In the Linux kernel, the following vulnerability has been resolved: drm: Do not allow userspace to trigger kernel warnings in drmgemchangehandleioctl Since GEM bo handles are u32 in the uapi and the internal implementation uses idralloc which uses int ranges, passing a new handle larger than INTM...

CVE-2026-23143 virtio_net: Fix misalignment bug in struct virtnet_info

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix misalignment bug in struct virtnetinfo Use the new TRAILINGOVERLAP helper to fix a misalignment bug along with the following warning: drivers/net/virtionet.c:429:46: warning: structure containing a flexible array...

CVE-2026-23127

In the Linux kernel, the following vulnerability has been resolved: perf: Fix refcount warning on event-mmapcount increment When calling refcountinc&event-mmapcount inside perfmmaprb, the following warning is triggered: refcountt: addition on 0; use-after-free. WARNING: lib/refcount.c:25 PoC:...

CVE-2026-23127

In the Linux kernel, the following vulnerability has been resolved: perf: Fix refcount warning on event-mmapcount increment When calling refcountinc&event-mmapcount inside perfmmaprb, the following warning is triggered: refcountt: addition on 0; use-after-free. WARNING: lib/refcount.c:25 PoC:...

EUVD-2026-5908

In the Linux kernel, the following vulnerability has been resolved: perf: Fix refcount warning on event-mmapcount increment When calling refcountinc&event-mmapcount inside perfmmaprb, the following warning is triggered: refcountt: addition on 0; use-after-free. WARNING: lib/refcount.c:25 PoC:...

CVE-2026-23127

In the Linux kernel, the following vulnerability has been resolved: perf: Fix refcount warning on event-mmapcount increment When calling refcountinc&event-mmapcount inside perfmmaprb, the following warning is triggered: refcountt: addition on 0; use-after-free. WARNING: lib/refcount.c:25 PoC:...

CVE-2026-23127

In the Linux kernel, the following vulnerability has been resolved: perf: Fix refcount warning on event-mmapcount increment When calling refcountinc&event-;mmapcount inside perfmmaprb, the following warning is triggered: refcountt: addition on 0; use-after-free. WARNING: lib/refcount.c:25 PoC:...

CVE-2026-23127

CVE-2026-23127 affects the Linux kernel perf subsystem. The issue is caused by a refcount warning in perf_mmap_rb() when updating event->mmap_count during group-member mmap creation with PERF_FLAG_FD_OUTPUT. Specifically, refcount_inc(&event->mmap_count) can run when mmap_count is 0, trigge...