CVE-2026-98109: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix race condition during device registration In hciregisterdev, the poweron work item is queued to hdev-reqworkqueue before initializing hdev-advmonitorsidr and registering the MSFT extension via msftregister...

CVE-2026-98099

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcuassignpointer for rcu list updates Several places in net/ipv6/mcast.c update RCU-protected lists np-ipv6mclist, idev-mclist, idev-mctomb using direct pointer assignments instead of rcuassignpointer: 1. In...

CVE-2026-98101: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use copy-on-write RCU updates in ip6mcsource pmc-sflist is read locklessly under rcureadlock by inet6mccheck during packet reception in the UDP and RAW multicast receive paths. ip6mcsource mutated psl-sladdr and...

CVE-2026-98069

In the Linux kernel, the following vulnerability has been resolved: net/rds: acquire the fastpath locks in rdsconnshutdown rdsconnshutdown quiesces the transmit and receive-refill paths by waiting for RDSINXMIT and RDSRECVREFILL to be sampled clear, and then runs the transport shutdown and...

CVE-2026-97533: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: Acquire initmm read lock on attribute changes to avoid UAF A previous commit protected against races between ptdump and CPA collapse, however one still exists between attribute changes and collapse as reported by Deni...

CVE-2026-97617: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Check resizedisabled before publishing the new subbuf order ringbuffersubbuforderset stores the new order and only then walks the CPUs, returning -EBUSY if any of them has resizing disabled. A user mapped buffer has...

CVE-2026-97998: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: cope with concurrent instance destruction Instances are refcounted. However, only memory release happens on the 1 - 0 transition; the unlink from hashes can occur with any refcount. Uncooperative userspac...

PT-2026-98851

Name of the Vulnerable Software and Affected Versions QEMU affected versions not specified Description A use-after-free issue exists in the 9pfs subsystem. A race condition occurs between the main thread and a worker thread during the concurrent processing of Tlcreate and Twalk requests. This...

CVE-2026-97567: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mptcp: prevent race between disconnect and rtx Sashiko noted that the two event can race, leading to inconsistent status. Prevent the race using the synchronous timer stop operation...

CVE-2026-98016

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free race in samplerestoreput Concurrent teardown of TC sample rules sharing the same restore context may re-read restore-count after dropping restorelock. At that point another thread may already have...

PT-2026-98815

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the NVMe subsystem where the nvme query fdp info function is called per-path, leading to potential concurrent access issues. Specifically, the function populat...

CVE-2026-98153: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nvme: fix racy access to FDP placement id array nvmequeryfdpinfo is called per-path and therefore prone to races. It populates head-nrplids/head-plids for fdp registration. But nothing protects that pair from concurrent access -...

CVE-2026-97975: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisysfs: Fix NULL pointer dereference in devicedel A NULL pointer dereference in klistput occurs when a child device such as a BNEP network device in bnepsession is concurrently being unregistered while hciconndelsysf...

CVE-2026-98032: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix subbuf resize races with tracepiperaw readers Concurrent subbuffer resizes may crash tracepiperaw readers or leak uninitialized memory to userspace due to stale size values. Modify ringbufferallocreadpage to handle t...

CVE-2026-97523: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mptcp: close race between scheduler and state change The mptcp scheduler may race with subflow sockets state change: data transmission on the selected socket may fail and a later release could try to use mssnow reset to 0 for a...

CVE-2026-97925: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tick/broadcast: Plug clockevents replacement race 朱恺乾 reported and decoded the following race condition when a broadcast device is replaced: CPUA CPUB tickbroadcastoneshotcontrol bc = tickbroadcastdevice.evtdev;...

PT-2026-98695

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Concurrent subbuffer resizes in the tracing component can lead to crashes of trace pipe raw readers or the leakage of uninitialized memory to userspace caused by stale size values. The...

PT-2026-98713

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.18.48 Description A concurrency issue exists in the mlxsw spectrum PTP implementation. The function mlxsw sp1 ptp ht gc collect is executed from a garbage-collection workqueue rather than the NAPI poll context...

PT-2026-98589

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists when a broadcast device is replaced because tick install broadcast device is not serialized against tick broadcast operations. This occurs when tick broadcast...

PT-2026-98607

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the x86 Change Page Attributes CPA mechanism, which manages kernel page table manipulations and cache mode properties. When kernel page table entries are collapsed int...