CVE-2026-53168 fuse: reject fuse_notify() pagecache ops on directories

In the Linux kernel, the following vulnerability has been resolved: fuse: reject fusenotify pagecache ops on directories The operations FUSENOTIFYSTORE and FUSENOTIFYRETRIEVE allow the FUSE daemon to actively write/read pagecache contents. For directories with FOPENCACHEDIR, the pagecache is used...

CVE-2026-53167

CVE-2026-53167 affects the Linux kernel’s FUSE path: FUSE_NOTIFY_RETRIEVE must be limited to uptodate folios since !uptodate folios may contain uninitialized data. The vulnerability is scoped to systems without automatic page-alloc zero init (CONFIG_INIT_ON_ALLOC_DEFAULT_ON or init_on_alloc=1). E...

CVE-2026-53160 misc: fastrpc: fix use-after-free race in fastrpc_map_create

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix use-after-free race in fastrpcmapcreate fastrpcmaplookup returns a raw pointer after releasing fl-lock. The caller fastrpcmapcreate then calls fastrpcmapget krefgetunlesszero on this unprotected pointer. A...

CVE-2026-53159 misc: fastrpc: fix DMA address corruption due to find_vma misuse

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix DMA address corruption due to findvma misuse fastrpcgetargs uses findvma to look up the VMA for a user-provided pointer and compute a DMA address offset. When the address falls in a gap before the returned VMA,...

CVE-2026-53159

CVE-2026-53159 (Linux kernel) : The vulnerability is in misc: fastrpc where fastrpc_get_args() uses find_vma() to locate the VMA for a user pointer and compute a DMA address. If the address lies in a gap before the returned VMA, (ptr & PAGE_MASK) - vma->vm_start underflows, corrupting the DMA ...

CVE-2026-53148 thunderbolt: Clamp XDomain response data copy to allocation size

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Clamp XDomain response data copy to allocation size tbxdppropertiesrequest derives the per-packet copy length from the response header without checking that it fits in the previously allocated data buffer. A maliciou...

CVE-2026-53147 thunderbolt: Validate XDomain request packet size before type cast

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Validate XDomain request packet size before type cast tbxdphandlerequest casts the received packet buffer to protocol-specific structs without verifying that the allocation is large enough for the target type. A peer...

EUVD-2026-39238

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Validate XDomain request packet size before type cast tbxdphandlerequest casts the received packet buffer to protocol-specific structs without verifying that the allocation is large enough for the target type. A peer...

CVE-2026-53134

A vulnerability in the Linux kernel netfilter NFT_FIB code (CVE-2026-53134) could leak uninitialized kernel stack via the OIFNAME result register on certain lookup-fail paths. The issue stems from NFT_FIB_RESULT_OIFNAME writes only a single byte and leaves the remaining IFNAMSIZ span stale in nft...

SUSE CVE-2026-52927

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix OOB read in compatmtwfromuser Luxiao Xu says: The function compatmtwfromuser converts ebtables extensions from 32-bit user structures to kernel native structures. However, it lacks proper validation of th...

Linux Distros Unpatched Vulnerability : CVE-2026-52975

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bonding: 3ad: implement proper RCU rules for port-aggregator syzbot found a data-race in bond3adgetactiveagginfo / bond3adstatemachinehandler 1 which hints at...

EUVD-2026-38857

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: propagate nvmettcpbuildpduiovec errors to its callers Currently, when nvmettcpbuildpduiovec detects an out-of-bounds PDU length or offset, it triggers nvmettcpfatalerrorcmd-queue and returns early. However, because the...

EUVD-2026-38841

In the Linux kernel, the following vulnerability has been resolved: futex: Drop CLONETHREAD requirement for private default hash alloc Currently needfutexhashallocatedefault depends on strict pthread semantics, abusing CLONETHREAD. This breaks the non-concurrency assumptions when doing the...

CVE-2026-52959

In the Linux kernel, the following vulnerability has been resolved: virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request SVMVMGEXITEXTGUESTREQUEST, getextreport allocates a buffer to retrieve a certificate blob from the host, keeping track ...

UBUNTU-CVE-2026-52987

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid double drmexecfini in userq validate When newaddition is true, amdgpuuserqvmvalidate calls drmexecfini&exec before iterating over the collected HMM ranges and calling amdgputtmttgetuserpages. If...

UBUNTU-CVE-2026-53101

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix potential deadlock in mt7921rocabortsync rocabortsync can deadlock with rocwork. rocwork holds dev-mt76.mutex, while cancelworksync waits for rocwork to finish. If the caller already owns the same mutex,...

UBUNTU-CVE-2026-53023

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: terminate the cached volume label after UTF-8 conversion ntfsfillsuper loads the on-disk volume label with utf16stoutf8s and stores the result in sbi-volume.label. The converted label is later exposed through...

UBUNTU-CVE-2026-52971

In the Linux kernel, the following vulnerability has been resolved: net: ena: PHC: Fix potential use-after-free in gettimestamp Move the phc-active check and resp pointer assignment to after acquiring the spinlock. Previously, phc-active was checked without holding the lock, and resp was cached...

UBUNTU-CVE-2026-53117

In the Linux kernel, the following vulnerability has been resolved: s390/cio: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock, which can...

CVE-2026-53129

In the Linux kernel, the following vulnerability has been resolved: fs/mbcache: cancel shrink work before destroying the cache mbcachedestroy calls shrinkerfree and then frees all cache entries and the cache itself, but it does not cancel the pending cshrinkwork work item first. If...