EUVD-2026-80594

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix sleeping allocation in allocpagesbulkweightedinterleave syzbot reported a sleeping function called from invalid context splat in buckettablealloc. When rhashtableinsertslow rehashes the table under rcureadlock, ...

CVE-2026-89986

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix sleeping allocation in allocpagesbulkweightedinterleave syzbot reported a sleeping function called from invalid context splat in buckettablealloc. When rhashtableinsertslow rehashes the table under rcureadlock, ...

CVE-2026-89973 nvme-tcp: check the data direction of a C2HData PDU

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: check the data direction of a C2HData PDU nvmetcphandlec2hdata finds the request by command id and checks that it has a payload, but it does not check that the command asked for data to be read. A controller that answer...

CVE-2026-89973

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: check the data direction of a C2HData PDU nvmetcphandlec2hdata finds the request by command id and checks that it has a payload, but it does not check that the command asked for data to be read. A controller that answer...

CVE-2026-89973

CVE-2026-89973 affects the nvme-tcp driver in the Linux kernel. The function nvme_tcp_handle_c2h_data() validates a C2HData PDU's command ID and payload presence but does not check the data direction . A malicious or buggy NVMe controller can trigger a kernel warning (WARN_ON_ONCE in _copy_to_ite...

EUVD-2026-80573

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: check the data direction of a C2HData PDU nvmetcphandlec2hdata finds the request by command id and checks that it has a payload, but it does not check that the command asked for data to be read. A controller that answer...

CVE-2026-89973 nvme-tcp: check the data direction of a C2HData PDU

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: check the data direction of a C2HData PDU nvmetcphandlec2hdata finds the request by command id and checks that it has a payload, but it does not check that the command asked for data to be read. A controller that answer...

CVE-2026-89962 powerpc/kexec_file: Prevent kexec range truncation

In the Linux kernel, the following vulnerability has been resolved: powerpc/kexecfile: Prevent kexec range truncation Sashiko AI review pointed out the following issue. The mergememoryranges function incorrectly handles overlapping memory ranges when merging them. Although sortmemoryranges sorts...

CVE-2026-89962

In the Linux kernel, the following vulnerability has been resolved: powerpc/kexecfile: Prevent kexec range truncation Sashiko AI review pointed out the following issue. The mergememoryranges function incorrectly handles overlapping memory ranges when merging them. Although sortmemoryranges sorts...

CVE-2026-89962

CVE-2026-89962 affects the Linux kernel 's powerpc/kexec_file subsystem. The __merge_memory_ranges() function contains two logic flaws: it compares the current range's start address against the previous element (i-1) instead of the running merged index (idx), and it unconditionally overwrites ran...

CVE-2026-89962 powerpc/kexec_file: Prevent kexec range truncation

In the Linux kernel, the following vulnerability has been resolved: powerpc/kexecfile: Prevent kexec range truncation Sashiko AI review pointed out the following issue. The mergememoryranges function incorrectly handles overlapping memory ranges when merging them. Although sortmemoryranges sorts...

EUVD-2026-80562

In the Linux kernel, the following vulnerability has been resolved: powerpc/kexecfile: Prevent kexec range truncation Sashiko AI review pointed out the following issue. The mergememoryranges function incorrectly handles overlapping memory ranges when merging them. Although sortmemoryranges sorts...

EUVD-2026-80560

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqaphook pointer on error in vfioapmdevsetkvm In vfioapmdevsetkvm, kvm-arch.crypto.pqaphook is set to &matrixmdev-pqaphook before the update locks are acquired and the mdev list is checked for a conflictin...

CVE-2026-89960

CVE-2026-89960 is a use-after-free in the Linux kernel's s390 vfio-ap (Protected Crypto Accelerator) subsystem. In vfio_ap_mdev_set_kvm(), the kvm->arch.crypto.pqap_hook pointer is set before checking for a conflicting mdev assignment. If another mdev already owns the KVM instance, the functio...

CVE-2026-89960 s390/vfio-ap: fix stale pqap_hook pointer on error in vfio_ap_mdev_set_kvm()

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqaphook pointer on error in vfioapmdevsetkvm In vfioapmdevsetkvm, kvm-arch.crypto.pqaphook is set to &matrixmdev-pqaphook before the update locks are acquired and the mdev list is checked for a conflictin...

CVE-2026-89960 s390/vfio-ap: fix stale pqap_hook pointer on error in vfio_ap_mdev_set_kvm()

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqaphook pointer on error in vfioapmdevsetkvm In vfioapmdevsetkvm, kvm-arch.crypto.pqaphook is set to &matrixmdev-pqaphook before the update locks are acquired and the mdev list is checked for a conflictin...

CVE-2026-89960

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqaphook pointer on error in vfioapmdevsetkvm In vfioapmdevsetkvm, kvm-arch.crypto.pqaphook is set to &matrixmdev-pqaphook before the update locks are acquired and the mdev list is checked for a conflictin...

CVE-2026-89958 s390/vfio-ap: Fix dereference matrix_mdev->kvm without checking for NULL

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix dereference matrixmdev-kvm without checking for NULL The apdriver structure has two fields which are function pointers to callbacks: .onconfigchanged: called at the start of the AP bus scan function to notify th...

CVE-2026-89959

CVE-2026-89959 is a Linux kernel vulnerability in the s390/vfio-ap subsystem. The vfio_ap_config_remove function incorrectly used bitmap_andnot instead of bitmap_and when clearing bits from the matrix_mdev->matrix.adm bitmap (which tracks control domains assigned to a mediated device). This pr...

CVE-2026-89959 s390/vfio-ap: Fix control domain removal in vfio_ap_mdev_cfg_remove

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix control domain removal in vfioapmdevcfgremove The vfioapconfigremove function uses the bitmapandnot function to clear bits from the matrixmdev-matrix.adm bitmap specifies the control domains assigned to the mdev...