CVE-2026-46732

Dell Display and Peripheral Manager DDPM Mac, versions prior to 2.3, contain a Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition' vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of...

CVE-2026-40211 Denial of service via crafted DoH3 queries

An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memo...

CVE-2026-40211 Denial of service via crafted DoH3 queries

An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memo...

CVE-2026-40211

An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memo...

CVE-2026-40211

An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3 streams to trigger an out-of-memo...

CVE-2026-53242

In the Linux kernel, the following vulnerability has been resolved: ALSA: PCM: Fix wait queue list corruption in sndpcmdrain on linked streams sndpcmdrain uses initwaitqueueentry which does not clear entry.prev/next, and addwaitqueue with a conditional removewaitqueue that is skipped when tocheck...

UBUNTU-CVE-2026-53153

In the Linux kernel, the following vulnerability has been resolved: mm/listlru: drain before clearing xarray entry on reparent memcgreparentlistlrus clears the dying memcg's xarray entry with xasstore&xas, NULL before reparenting its per-node lists into the parent. This opens a window where a...

UBUNTU-CVE-2026-53271

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL-deref of opinfo-conn in oplock/lease break notifiers smb2oplockbreaknoti and smb2leasebreaknoti read opinfo-conn into a local with neither READONCE nor a NULL check. Both run from oplockbreak after opinfogetlist h...

CVE-2026-53271

CVE-2026-53271 affects the Linux kernel ksmbd component. The vulnerability is a NULL-deref in oplock/lease break notifiers: smb2_oplock_break_noti() and smb2_lease_break_noti() read opinfo->conn into a local buffer without READ_ONCE and without a NULL check. After opinfo_get_list() drops ci-&g...

CVE-2026-53269 netfilter: synproxy: add mutex to guard hook reference counting

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: add mutex to guard hook reference counting As the synproxy infrastructure register netfilter hooks on-demand when a user adds the first iptables target or nftables expression, if done concurrently they can ra...

CVE-2026-53269 netfilter: synproxy: add mutex to guard hook reference counting

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: add mutex to guard hook reference counting As the synproxy infrastructure register netfilter hooks on-demand when a user adds the first iptables target or nftables expression, if done concurrently they can ra...

EUVD-2026-39220

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: add mutex to guard hook reference counting As the synproxy infrastructure register netfilter hooks on-demand when a user adds the first iptables target or nftables expression, if done concurrently they can ra...

CVE-2026-53265 dm cache policy smq: check allocation under invalidate lock

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: check allocation under invalidate lock commit 2d1f7b65f5de "dm cache policy smq: fix missing locks in invalidating cache blocks" added mq-lock around the destructive part of smqinvalidatemapping, but left the...

CVE-2026-53153 mm/list_lru: drain before clearing xarray entry on reparent

In the Linux kernel, the following vulnerability has been resolved: mm/listlru: drain before clearing xarray entry on reparent memcgreparentlistlrus clears the dying memcg's xarray entry with xasstore&xas, NULL before reparenting its per-node lists into the parent. This opens a window where a...

Linux Distros Unpatched Vulnerability : CVE-2026-52988

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nftables: join hook list via splicelistrcu in commit phase Publish new hooks in the list into the basechain/flowtable using splicelistrcu to ensure...

Linux Distros Unpatched Vulnerability : CVE-2026-54904

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::AtomicReferenceupdate can enter a permanent busy retry loop when the current...

Linux Distros Unpatched Vulnerability : CVE-2026-53064

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dm cache: fix null-deref with concurrent writes in passthrough mode In passthrough mode, when dm-cache starts to invalidate a cache entry and bio prison cell lo...

PT-2026-52360

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A check-then-act race condition exists in the dm cache policy smq. The smq invalidate mapping function performs a check on the e-allocated variable outside of the mq-lock critical sectio...

Linux Distros Unpatched Vulnerability : CVE-2026-54906

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReadWriteLockreleasewritelock does not verify that the calling thread acquir...

Linux Distros Unpatched Vulnerability : CVE-2026-54905

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReentrantReadWriteLock can incorrectly grant a write lock after one thread...