PT-2026-90232

In the Linux kernel, the following vulnerability has been resolved: sched ext: Don't BUG ON a destroyed DSQ in process deferred reenq users scx bpf dsq reenq queues a deferred reenq dru that runs from run deferred, not ops.dispatch. If the DSQ is destroyed before the dru runs, process deferred...

PT-2026-90477

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix out-of-bounds write when null terminating a label vec aa vec unique null terminates at vecn - dups when VEC FLAG TERMINATE is passed. If the components are all distinct no duplicates are dropped, dups is 0 and the...

PT-2026-90420

In the Linux kernel, the following vulnerability has been resolved: nfsd: sample writeback error cursor before async COPY loop nfsd copy file range samples dst-f wb err into "since" after the copy loop, then uses it to detect writeback errors via filemap check wb err once vfs fsync range returns...

PT-2026-90287

In the Linux kernel, the following vulnerability has been resolved: cxl/features: bound fwctl command payload to the input buffer fwctl cmd rpc copies cmd-in len bytes into inbuf = kvzalloccmd-in len and passes inbuf and in len to -fw rpc. The CXL callback cxlctl fw rpc ignores in len and never...

PT-2026-90417

In the Linux kernel, the following vulnerability has been resolved: nfsd: validate nseconds in TIME DELEG decode paths The xdrgen-based TIME DELEG ACCESS and TIME DELEG MODIFY decode arms store a raw uint32 t nseconds directly into tv nsec without enforcing nseconds NSEC PER SEC. The legacy nfsd4...

PT-2026-90438

In the Linux kernel, the following vulnerability has been resolved: PCI/sysfs: Fix out-of-bounds read in pci write legacy io pci write legacy io loads 4 bytes from the kernfs write buffer regardless of how many bytes userspace wrote: if count != 1 && count != 2 && count != 4 return -EINVAL; retur...

PT-2026-90465

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix crash passing ERR PTR to kthread stop event test stuff calls kthread run and unconditionally passes the returned task struct pointer to kthread stop. kthread run returns an error pointer such as ERR PTR-ENOMEM when...

PT-2026-90393

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix possible fh compose of wrong dentry in nfsd4 create file dentry create can hypothetically provide a different dentry than the one passed in. This could happen, for example, if the exported filesystem is NFS, and the...

PT-2026-90483

In the Linux kernel, the following vulnerability has been resolved: ovl: fix double end creating on the casefold-mismatch path ovl create real releases the new dentry twice when the casefold consistency check fails. The S IFDIR branch calls end creating and sets err, then falls through to the...

PT-2026-90470

In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix stale walk-action escaping walk pmd range If -pmd entry sets walk-action = ACTION AGAIN, the pmd none check is retried. The PMD entry may be cleared at the point of retry. In this case, if walk-ops-install pte is...

PT-2026-90489

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip Update HDCP Config In Transition State Transition state does not have a valid dm stream ctx that should skip configuring HDCP routine. The routine is valid to go through only when a valid stream is created...

PT-2026-90474

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: skip non-present PMDs when queueing folios Patch series "mm: handle device-private PMDs in walk callbacks", v3. Since commit 368076f52ebe "mm/huge memory: add device-private THP support to PMD operations" a PMD may...

PT-2026-90484

In the Linux kernel, the following vulnerability has been resolved: fs: fix user path of nested backing files backing file open derives the path to be stored in the new backing file from user file-f path. This is incorrect when user file itself is a backing file, which is the case for nested...

PT-2026-90444

In the Linux kernel, the following vulnerability has been resolved: i3c: renesas: Fix out-of-bounds access for newdevs mask When software initiates DAA Dynamic Address Assignment, the controller reports the result via the NRSPQP Normal Response Queue Port Register. The data length field of the...

PT-2026-90395

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix null dereference in nfsd4 setattr for deleg timestamp attrs When a SETATTR request includes FATTR4 WORD2 TIME DELEG ACCESS or FATTR4 WORD2 TIME DELEG MODIFY in the attribute bitmap, nfsd4 setattr sets deleg attrs=true a...

PT-2026-90177

In the Linux kernel, the following vulnerability has been resolved: power: supply: max17040: synchronize work cancellation on suspend max17040 work requeues itself after every poll. cancel delayed work only cancels a pending instance and does not wait for a callback that is already running. If...

PT-2026-90102

In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Check card index validity at probe aloop driver blindly trusts that the given devptr-id value is within the proper card index range at probe. It's OK for the devices the driver itself creates at the module probe time...

PT-2026-90107

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: don't touch shared zerocopy state in skb tx error skb tx error completes the zerocopy uarg and clears SKBFL ALL ZEROCOPY, and skb zcopy downgrade managed clears SKBFL MANAGED FRAG REFS. Both live in skb shinfo, which...

PT-2026-90081

In the Linux kernel, the following vulnerability has been resolved: i3c: master: svc: bound IBI payload to the requested max payload len svc i3c master handle ibi reads the IBI payload from the RX FIFO into the IBI slot. The loop is bounded by the hardware FIFO size SVC I3C FIFO SIZE, not by the...

PT-2026-90346

In the Linux kernel, the following vulnerability has been resolved: smb: client: restore the data offset bound in is valid oplock break Commit 83bfbd0bb902 "cifs: Remove the RFC1002 header from smb hdr" changed the quantity this bound is measured against. It used to be srv-total read minus the...