CVE-2026-74656

In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...

CVE-2026-74646

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: take fl-lock when moving mmaps on interrupted invoke When an invoke is interrupted by a signal, waitforcompletioninterruptible returns -ERESTARTSYS and fastrpcinternalinvoke moves every buffer from fl-mmaps onto...

CVE-2026-74733

A race condition in the Linux kernel's gpio: pca953x driver (managing PCA953x GPIO expanders) allows concurrent threads to access hardware registers without proper locking. The function pca953x_irq_bus_sync_unlock() performed regmap read/write operations without holding the driver's i2c_lock , wh...

CVE-2026-74733 gpio: pca953x: fix pca953x_irq_bus_sync_unlock regmap lock

In the Linux kernel, the following vulnerability has been resolved: gpio: pca953x: fix pca953xirqbussyncunlock regmap lock Locking is disabled in the regmap config as this driver uses its own lock. This means that all calls to regmap functions read or write must hold the i2clock. The function...

EUVD-2026-64420

In the Linux kernel, the following vulnerability has been resolved: gpio: pca953x: fix pca953xirqbussyncunlock regmap lock Locking is disabled in the regmap config as this driver uses its own lock. This means that all calls to regmap functions read or write must hold the i2clock. The function...

CVE-2026-74646 misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: take fl-lock when moving mmaps on interrupted invoke When an invoke is interrupted by a signal, waitforcompletioninterruptible returns -ERESTARTSYS and fastrpcinternalinvoke moves every buffer from fl-mmaps onto...

EUVD-2026-64583

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: take fl-lock when moving mmaps on interrupted invoke When an invoke is interrupted by a signal, waitforcompletioninterruptible returns -ERESTARTSYS and fastrpcinternalinvoke moves every buffer from fl-mmaps onto...

CVE-2026-74646 misc: fastrpc: take fl->lock when moving mmaps on interrupted invoke

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: take fl-lock when moving mmaps on interrupted invoke When an invoke is interrupted by a signal, waitforcompletioninterruptible returns -ERESTARTSYS and fastrpcinternalinvoke moves every buffer from fl-mmaps onto...

CVE-2026-74646

CVE-2026-74646 is a race condition in the Linux kernel's misc: fastrpc subsystem. When a fastrpc invoke is interrupted by a signal, fastrpc_internal_invoke() moves all buffers from fl->mmaps onto cctx->invoke_interrupted_mmaps via list_del()/list_add_tail() without holding fl->lock , the...

PT-2026-79651

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: take fl-lock when moving mmaps on interrupted invoke When an invoke is interrupted by a signal, wait for completion interruptible returns -ERESTARTSYS and fastrpc internal invoke moves every buffer from fl-mmaps on...

PT-2026-79738

In the Linux kernel, the following vulnerability has been resolved: gpio: pca953x: fix pca953x irq bus sync unlock regmap lock Locking is disabled in the regmap config as this driver uses its own lock. This means that all calls to regmap functions read or write must hold the i2c lock. The functio...

PT-2026-79612

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVM CAP VM MOVE ENC CONTEXT FROM and KVM CAP VM COPY ENC CONTEXT FROM can cause two separate issues: - in sev migrate from, when the...

Linux Distros Unpatched Vulnerability : CVE-2026-74646

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - misc: fastrpc: take fl-lock when moving mmaps on interrupted invoke When an invoke is interrupted by a signal, waitforcompletioninterruptible returns -ERESTARTS...

CVE-2026-74539

A flaw was found in the Linux kernel's Bluetooth ISO subsystem. A missing lock in a critical function allows for concurrent access to internal data structures without proper synchronization. This concurrency issue could lead to system instability or a denial of service, impacting the availability...

CVE-2026-74538

A flaw was found in the Linux kernel's Bluetooth ISO Isochronous Stream subsystem. A missing lock when accessing socket connection information within the isoconnectind function could lead to a null pointer dereference. This vulnerability could allow a local attacker to cause a system crash,...

UBUNTU-CVE-2026-74539

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: lock sk in isosockgetname Accessing isopisk-conn requires locksock, which is not held here. Fix by adding the lock/release...

CVE-2026-72372

In the Linux kernel, the following vulnerability has been resolved: afs: Fix lack of locking around modifications of net-cellsdynino Fix the lack of locking around modifications of net-cellsdynino by taking net-cellslock exclusively. This also requires to cell to be removed from net-cellsdynino i...

CVE-2026-72372

In the Linux kernel, the following vulnerability has been resolved: afs: Fix lack of locking around modifications of net-cellsdynino Fix the lack of locking around modifications of net-cellsdynino by taking net-cellslock exclusively. This also requires to cell to be removed from net-cellsdynino i...

CVE-2026-68390

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hold hdev-lock for hciconnparams lookups hciconnparamslookup requires hdev-lock be held, otherwise the list iteration or param access is not safe. Hold hdev-lock for params lookups in hcisync...

CVE-2026-68273

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix context pstate override handling There are several problems in the context pstate handling code. The most serious ones are potential use-after-free and NULL pointer dereferences at context initialization time. Bot...