CVE-2026-53071 Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: Add missing chan lock in l2capecredreconfrsp l2capecredreconfrsp calls l2capchandel without holding l2capchanlock. Every other l2capchandel caller in the file acquires the lock first. A remote BLE device can sen...

EUVD-2026-38917

In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2logd calls the log flushing functions gfs2ail1start, gfs2ail1wait, and gfs2ail1empty without holding sdp-sdlogflushlock, but these functions require exclusion against concurrent...

CVE-2026-53049 gfs2: add some missing log locking

In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2logd calls the log flushing functions gfs2ail1start, gfs2ail1wait, and gfs2ail1empty without holding sdp-sdlogflushlock, but these functions require exclusion against concurrent...

CVE-2026-52988 netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: join hook list via splicelistrcu in commit phase Publish new hooks in the list into the basechain/flowtable using splicelistrcu to ensure netlink dump list traversal via rcu is safe while concurrent ruleset...

CVE-2026-54906

concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::ReadWriteLockreleasewritelock does not verify that the calling thread acquired the write lock. Any thread with access to the lock object can release an active write lock held by another thread. A second writer can...

PT-2026-51943

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the gfs2 module, the gfs2 logd function calls log flushing functions gfs2 ail1 start, gfs2 ail1 wait, and gfs2 ail1 empty without holding the sdp-sd log flush lock lock. These functio...

[SECURITY] Fedora 44 Update: erlang-26.2.5.21-3.fc44

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson...

[SECURITY] Fedora 43 Update: erlang-26.2.5.21-3.fc43

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson...

kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers

A flaw was found in the Linux kernel's Bluetooth subsystem. This vulnerability, a Use-After-Free UAF, exists within the Secure Simple Pairing SSP passkey handlers. It occurs when hciconn lookup and field access are performed without proper locking, allowing a connection to be freed concurrently...

SpiceDB: Checks involving relations with caveats can result in unconditional permission when conditional permission is expected

Impact Under concurrency, CheckPermission and CheckBulkPermissions can return PERMISSIONSHIPHASPERMISSION for a resource, permission, subject whose correct answer is PERMISSIONSHIPCONDITIONALPERMISSION. You are impacted if all of the following hold: 1. Your schema has a permission combining...

GHSA-4VRG-R928-H5VV SpiceDB: Checks involving relations with caveats can result in unconditional permission when conditional permission is expected

Impact Under concurrency, CheckPermission and CheckBulkPermissions can return PERMISSIONSHIPHASPERMISSION for a resource, permission, subject whose correct answer is PERMISSIONSHIPCONDITIONALPERMISSION. You are impacted if all of the following hold: 1. Your schema has a permission combining...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: iris: fixed the use-of-free of fmtsrc during the MBPF check. During concurrency testing, multiple instances can run in parallel. Each instance uses its own inst-lock, while the core-lock protects the list of active...

PT-2026-51121

Name of the Vulnerable Software and Affected Versions SpiceDB versions prior to 1.54.0 Description Under concurrency, the CheckPermission and CheckBulkPermissions functions can incorrectly return PERMISSIONSHIP HAS PERMISSION instead of PERMISSIONSHIP CONDITIONAL PERMISSION for a specific resourc...

Concurrent Ruby - ReadWriteLock allows wrong-thread write release and stray read-release counter corruption

Summary Concurrent::ReadWriteLockreleasewritelock does not verify that the calling thread acquired the write lock. Any thread with access to the lock object can release an active write lock held by another thread. A second writer can then enter its critical section while the first writer is still...

CVE-2026-54905

creationtimestamp| type| source ---|---|--- 2026-06-16 21:35:27+00:00| published-proof-of-concept| https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-wv3x-4vxv-whpp...

CVE-2026-54904

creationtimestamp| type| source ---|---|--- 2026-06-16 21:35:21+00:00| published-proof-of-concept| https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-h8w8-99g7-qmvj 2026-06-24 21:35:17+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mp2ungvwp42p 2026-07-20...

CVE-2026-54906

creationtimestamp| type| source ---|---|--- 2026-06-16 21:35:12+00:00| published-proof-of-concept| https://github.com/ruby-concurrency/concurrent-ruby/security/advisories/GHSA-6wx8-w4f5-wwcr...

GHSA-CHGR-C6PX-7XPP PyO3 has a missing `Sync` bound on `PyCFunction::new_closure` closures

PyCFunction::newclosure and the temporary newclosurebound complement in the 0.21–0.22 series required the supplied closure to be Send + 'static but not Sync. The resulting PyCFunction is a Python callable that can be invoked from any Python thread, which means the closure may be called concurrent...

EUVD-2026-35405

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry vgicitsinvalidatecache walks the per-ITS translation cache with xaforeach and drops the cache's reference on each entry with vgicputirq. It puts...

Linux Distros Unpatched Vulnerability : CVE-2026-46316

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry...