AZL-93521 CVE-2026-64320 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page nvmetexecutediscgetlogpage validates only the dword alignment of the host-supplied Log Page Offset lpo. The 64-bit offset is then added to a small kzalloc'd...

CVE-2026-64320

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page nvmetexecutediscgetlogpage validates only the dword alignment of the host-supplied Log Page Offset lpo. The 64-bit offset is then added to a small kzalloc'd...

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-2026-64284

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-2026-64285

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-2026-64280

In the Linux kernel, the following vulnerability has been resolved: fpga: dfl-afu: validate DMA mapping length in afudmamapregion afuioctldmamap accepts a 64-bit length from userspace via DFLFPGAPORTDMAMAP ioctl without an upper bound check. The value is passed to afudmapinpages where npages is...

CVE-2026-64282

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't leak PFN when kvmtranslatevncr races MMU notifier In the case that kvmtranslatevncr races with an MMU notifier the early return does not release a reference on the faulted in PFN. Add the necessary call to...

UBUNTU-CVE-2026-64280

In the Linux kernel, the following vulnerability has been resolved: fpga: dfl-afu: validate DMA mapping length in afudmamapregion afuioctldmamap accepts a 64-bit length from userspace via DFLFPGAPORTDMAMAP ioctl without an upper bound check. The value is passed to afudmapinpages where npages is...

CVE-2026-64320

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page nvmetexecutediscgetlogpage validates only the dword alignment of the host-supplied Log Page Offset lpo. The 64-bit offset is then added to a small kzalloc'd...

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...

UBUNTU-CVE-2026-64320

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page nvmetexecutediscgetlogpage validates only the dword alignment of the host-supplied Log Page Offset lpo. The 64-bit offset is then added to a small kzalloc'd...

UBUNTU-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-2026-64300

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-2026-64402

In the Linux kernel, the following vulnerability has been resolved: coresight: ultrasoc-smb: Fix OOB write in smbsyncperfbuffer When the SMB sink is used as a perf AUX sink, smbupdatebuffer calls smbsyncperfbuffer to copy hardware trace data into the perf AUX ring buffer pages. It derives pgidx =...

CVE-2026-64514

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...

CVE-2026-64282

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Don't leak PFN when kvmtranslatevncr races MMU notifier In the case that kvmtranslatevncr races with an MMU notifier the early return does not release a reference on the faulted in PFN. Add the necessary call to...

CVE-2026-64283

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

UBUNTU-CVE-2026-64472

In the Linux kernel, the following vulnerability has been resolved: vfio/mlx5: Fix racy bitfields and tighten struct layout Bitfield operations are not atomic, they use a read-modify-write pattern, therefore we should be careful not to pack bitfields that can be concurrently updated into the same...

UBUNTU-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...

UBUNTU-CVE-2026-64514

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...