CVE-2026-64303

In the Linux kernel, the following vulnerability has been resolved: spi: fsl-lpspi: terminate the RX channel on TX prepare failure path When dmaengineprepslavesg fails for the TX channel, the error path terminates the TX DMA channel but leaves the RX channel running. Since the RX channel was...

CVE-2026-64302

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

CVE-2026-64305

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - protect service table iterations with servicelock The servicetable list is protected by servicelock when entries are added or removed in adfserviceadd and adfserviceremove, but several functions iterate over the lis...

CVE-2026-64293

In the Linux kernel, the following vulnerability has been resolved: iommufd: Use sizeofhdr instead of sizeofhdr in veventq read The bound-check in iommufdveventqfopsread for the normal vEVENT path uses sizeofhdr where the surrounding code uses sizeofhdr: if !veventforlosteventsheadercur &&...

CVE-2026-64297

In the Linux kernel, the following vulnerability has been resolved: module: decompress: check return value of moduleextendmaxpages moduleextendmaxpages calls kvrealloc internally and returns -ENOMEM on allocation failure. The return value is never checked. If the initial allocation fails,...

CVE-2026-64294

In the Linux kernel, the following vulnerability has been resolved: mm: do file ownership checks with the proper mount idmap Ever since idmapped mounts were introduced, inode ownership checks for side-channel protection in mincore and madviseMADVPAGEOUT were done against the nopmntidmap, which...

CVE-2026-64295

In the Linux kernel, the following vulnerability has been resolved: mm: pageext: add count limit to pageextiternext to prevent invalid PFN access The pageext iteration API does not validate if the PFN still belongs to a valid section while advancing the iterator. When dynamically adding memory in...

CVE-2026-64296

In the Linux kernel, the following vulnerability has been resolved: exfat: bound uniname advance in exfatfinddirentry In exfatfinddirentry, each TYPEEXTEND file name entry advances the output pointer by a fixed amount while the loop guard only tracks the accumulated name length: if ++order == 2...

CVE-2026-64298

In the Linux kernel, the following vulnerability has been resolved: NFSv4: include MAYWRITE in open permission mask for OTRUNC POSIX requires write permission to truncate a file, so an open that specifies OTRUNC must be authorized for write access regardless of the OACCMODE access mode...

CVE-2026-64300

In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix page UAF in maprange maprange reads rb-auxpages, rb-auxnrpages and rb-auxpgoff via perfmmaptopage while holding only event-mmapmutex. Those fields are serialized by rb-auxmutex, and mmapmutex is per event. Thus, two...

CVE-2026-64299

In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent out-of-bounds read in glob matching String event fields are not necessarily NUL-terminated, so the filter predicate functions filterpredstring, filterpredstrloc and filterpredstrrelloc pass the field length to th...

CVE-2026-64286

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Clear hyprunningvcpu when flushing the pKVM hyp vCPU flushhypvcpu copies the host vCPU context into the hyp's private vCPU on every run. ctxttovcpu expects a guest context to have a NULL hyprunningvcpu, which is only...

CVE-2026-64284

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure vendor's exit handler runs before fastpath userspace exits Move the handling of fastpath userspace exits into vendor code to ensure KVM runs vendor specific operations that need to run before userspace gains...

CVE-2026-64288

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB VNCR TLB invalidation occurs from MMU notifiers or TLBI instructions, and either can race against a vcpu not being onlined yet no pseudo-TLB allocated. Similarly, the TLB...

CVE-2026-64291

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set veventqdepth upper bound iommufdveventqalloc accepts any !0 veventqdepth from userspace, with an upper bound at U32MAX. This leaves a vulnerability where userspace can allocate excessively large queues to exhaust...

CVE-2026-64292

In the Linux kernel, the following vulnerability has been resolved: iommufd: Move vevent memory allocation outside spinlock The veventq memory allocation happens inside the spinlock. Given its depth is decided by the user space, this leaves a vulnerability, where userspace can allocate large queu...

CVE-2026-64285

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Pin source page for write when adding CPUID data for SNP guest When populating a guestmemfd instance with the initial CPUID data for an SNP guest, acquire a writable pin on the source page as KVM will write back the...

CVE-2026-64287

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Bound usedlrs when flushing the pKVM hyp vCPU flushhypvcpu copies the host vGIC state into the hyp's private vCPU on every run. The vGIC list register save and restore use usedlrs as their loop bound and expect it to...

CVE-2026-64290

In the Linux kernel, the following vulnerability has been resolved: iommufd: Break the loop on failure in iommufdfaultfopsread On a copytouser failure inside the inner listforeachentry, only the inner loop breaks; the outer while re-fetches the just-restored fault group and retries the failing...

CVE-2026-64279

In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix adapter deregistration race Adapters can be looked up by their id using i2cgetadapter which takes a reference to the embedded struct device. Remove the adapter from the IDR before tearing it down during...