PT-2026-90225

In the Linux kernel, the following vulnerability has been resolved: RDMA/ionic: Embed counter driver data in rdma counter allocation Commit 7e53b31acc7f "RDMA/core: Create and destroy rdma counter using rdma zalloc drv obj" requires drivers implementing counter ops to embed struct rdma counter in...

PT-2026-90176

In the Linux kernel, the following vulnerability has been resolved: s390/cpum cf: Handle CPU hotplug via prepare/dead callbacks The command 'perf stat -e cycles -- ' crashes the kernel when CPUs are hotplug added during that run. Root cause is the allocation of struct cpu cf events at first event...

PT-2026-90427

In the Linux kernel, the following vulnerability has been resolved: NFSD: remove flawed WARN ON ONCE from nfsd mode check The header for commit e75b23f9e323 "nfsd: check d can lookup in fh verify of directories" details the assumption that justified adding the WARN ON ONCE to nfsd mode check, tha...

PT-2026-90486

In the Linux kernel, the following vulnerability has been resolved: iomap: don't free integrity payload that doesn't exist fs bio integrity alloc might not allocate a bio integrity payload if PI verification is disabled on the block device. Check for that case before calling fs bio integrity free...

PT-2026-90412

In the Linux kernel, the following vulnerability has been resolved: nfsd: block non-SAVEFH ops after FOREIGN PUTFH to prevent NULL deref When CONFIG NFSD V4 2 INTER SSC is enabled, nfsd4 putfh can return success with fh dentry and fh export both NULL if fh verify returns nfserr stale and putfh-no...

PT-2026-90286

In the Linux kernel, the following vulnerability has been resolved: cxl/mce: Make the MCE notifier per-region Flavien Solt reported lifetime issues with the CXL MCE notifier, which can lead to NULL dereferences and use-after-free in the MCE handler. The notifier was registered per memory device a...

PT-2026-90277

In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: fix NULL dereference of idev in ipv6 rpl srh rcv ipv6 rpl srh rcv dereferences idev from in6 dev get without a NULL check when reading idev-cnf.rpl seg enabled. When the device's MTU drops below IPV6 MIN MTU, addrconf...

PT-2026-90425

In the Linux kernel, the following vulnerability has been resolved: lockd, nfsd: RCU-protect nlmsvc ops dispatch nlmsvc ops is published by nfsd lockd init and cleared by nfsd lockd shutdown with plain stores, while lockd dereferences it unguarded from dispatch sites in fs/lockd/svcsubs.c. The...

PT-2026-90193

In the Linux kernel, the following vulnerability has been resolved: sctp: fix NULL deref on untransmitted RECONF completion sctp process strreset outreq, sctp process strreset addstrm out and sctp process strreset resp complete a pending stream reconfiguration request by stopping the reconf timer...

PT-2026-90268

In the Linux kernel, the following vulnerability has been resolved: params: fix charp corruption on allocation failure param set charp stores charp parameters in allocated memory after slab is available, and releases the previous value when the parameter is updated. The previous value is released...

PT-2026-90307

In the Linux kernel, the following vulnerability has been resolved: accel/rocket: initialize job domain before cleanup paths rocket ioctl submit job releases rjob through rocket job put on allocation error paths. rocket job cleanup unconditionally calls rocket iommu domain putjob-domain, but...

Linux Distros Unpatched Vulnerability : CVE-2026-79590

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A NULL pointer dereference vulnerability exists in the Prism parser component of mruby 4.0.0. An attacker can provide a specially crafted Ruby source file that...

PT-2026-90086

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: only hand out initialized cache segments get cache segment scans the segment map up to cache-n segs, the physical device segment count, but cache segs init only initializes the first cache info-n segs segments. A craft...

PT-2026-90093

In the Linux kernel, the following vulnerability has been resolved: dm-stats: fix a crash if allocation of per-cpu data fails If "dm kvzallocpercpu alloc size, cpu to nodecpu" fails, the code jumps to the "out" label and calls dm stat free. dm stat free does "for each possible cpucpu dm...

PT-2026-90084

In the Linux kernel, the following vulnerability has been resolved: i3c: Fix unlocked dereference of dev-desc in i3c device get supported xfer mode i3c device get supported xfer mode uses dev-desc to obtain the master controller. However, dev-desc must not be dereferenced unless bus-lock is held,...

PT-2026-90200

In the Linux kernel, the following vulnerability has been resolved: lockd: fix NULL dereference on lockowner allocation failure nlmclnt locks init private installs NLM file lock operations even when nlmclnt find lockowner fails to allocate a lockowner. nlmclnt proc then returns -ENOMEM, but the V...

PT-2026-90173

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Guard sysfs discipline callbacks against unallocated private data Several sysfs show/store handlers call a discipline callback that dereferences device-private, either directly or through the DASD DEFINE ATTR macro...

PT-2026-90450

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Fix null pointer dereference in uvcg video init In uvcg video init, if kthread run worker fails, the error logged uses uvcg err, however, the pointer it uses: video-uvc is not assigned at this point, triggering ...

PT-2026-90446

In the Linux kernel, the following vulnerability has been resolved: fpga: altera-cvp: Avoid out-of-bounds read in trailing byte write The trailing byte path in altera cvp send block dereferences a u32 pointer even when only 1-3 bytes remain in the input buffer. If the buffer ends at a page or...

PT-2026-90244

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject Read lists that exceed the page budget Individual Read segment lengths are validated at decode time, but nothing prevents a requester from sending multiple segments whose cumulative length exceeds the rq pages arr...