CVE-2021-47430 x86/entry: Clear X86_FEATURE_SMAP when CONFIG_X86_SMAP=n

In the Linux kernel, the following vulnerability has been resolved: x86/entry: Clear X86FEATURESMAP when CONFIGX86SMAP=n Commit 3c73b81a9164 "x86/entry, selftests: Further improve user entry sanity checks" added a warning if AC is set when in the kernel. Commit 662a0221893a3d "x86/entry: Fix AC...

CVE-2021-47429

CVE-2021-47429 – Linux kernel (powerpc/64s): The issue occurs when an unrecoverable MCE is handled in NMI context, where the true NMI handling path could lead to calling an async MCE handler and corrupt IRQ state. The fix introduces separate _async and NMI-specific machine_check_exception handler...

CVE-2021-47421 drm/amdgpu: handle the case of pci_channel_io_frozen only in amdgpu_pci_resume

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: handle the case of pcichanneliofrozen only in amdgpupciresume In current code, when a PCI error state pcichannelionormal is detectd, it will report PCIERSRESULTCANRECOVER status to PCI driver, and PCI driver will...

CVE-2021-47404 HID: betop: fix slab-out-of-bounds Write in betop_probe

In the Linux kernel, the following vulnerability has been resolved: HID: betop: fix slab-out-of-bounds Write in betopprobe Syzbot reported slab-out-of-bounds Write bug in hid-betopff driver. The problem is the driver assumes the device must have an input report but some malicious devices violate...

CVE-2021-47396

In the Linux kernel, the following vulnerability has been resolved: mac80211-hwsim: fix late beacon hrtimer handling Thomas explained in https://lore.kernel.org/r/87mtoeb4hb.ffs@tglx that our handling of the hrtimer here is wrong: If the timer fires late e.g. due to vCPU scheduling, as reported b...

CVE-2021-47378 nvme-rdma: destroy cm id before destroy qp to avoid use after free

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cmid before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishme...

CVE-2021-47376 bpf: Add oversize check before call kvcalloc()

In the Linux kernel, the following vulnerability has been resolved: bpf: Add oversize check before call kvcalloc Commit 7661809d493b "mm: don't allow oversized kvmalloc calls" add the oversize check. When the allocation is larger than what kmalloc supports, the following warning triggered: WARNIN...

CVE-2021-47370 mptcp: ensure tx skbs always have the MPTCP ext

In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure tx skbs always have the MPTCP ext Due to signed/unsigned comparison, the expression: info-sizegoal - skb-len 0 evaluates to true when the size goal is smaller than the skb size. That results in lack of tx cache...

CVE-2021-47363

In the Linux kernel, the following vulnerability has been resolved: nexthop: Fix division by zero while replacing a resilient group The resilient nexthop group torture tests in fibnexthop.sh exposed a possible division by zero while replacing a resilient group 1. The division by zero occurs when...

CVE-2021-47361

In the Linux kernel, the following vulnerability has been resolved: mcb: fix error handling in mcballocbus There are two bugs: 1 If idasimpleget fails then this code calls putdevicecarrier but we haven't yet called getdevicecarrier and probably that leads to a use after free. 2 After...

CVE-2021-47352

In the Linux kernel, the following vulnerability has been resolved: virtio-net: Add validation for used length This adds validation for used length might come from an untrusted device to avoid data corruption or loss...

CVE-2021-47348

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid HDCP over-read and corruption Instead of reading the desired 5 bytes of the actual target field, the code was reading 8. This could result in a corrupted value if the trailing 3 bytes were non-zero, so...

CVE-2021-47327 iommu/arm-smmu: Fix arm_smmu_device refcount leak when arm_smmu_rpm_get fails

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Fix armsmmudevice refcount leak when armsmmurpmget fails armsmmurpmget invokes pmruntimegetsync, which increases the refcount of the "smmu" even though the return value is less than 0. The reference counting issue...

CVE-2021-47320

CVE-2021-47320 is a Linux kernel vulnerability describing an ACL memory leak in the NFS code path. The issue centers on leaked entries in acl memory when creating posix_acl_create() paths, specifically in the NFS routines nfs3_proc_create() and nfs3_proc_mknod() error handling. The connected Ness...

CVE-2021-47308

In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix array index out of bound exception Fix array index out of bound exception in fcrportprliresp...

CVE-2021-47285

CVE-2021-47285 has been rejected by the CNA and does not represent an active vulnerability entry.

CVE-2021-47273

CVE-2021-47273 concerns the Linux kernel component for the usb dwc3-meson-g12a PHY glue. When PHY0 is disabled and only PHY1 is used (e.g., Odroid-HC4), regmap initialization erroneously targets the usb2 path, since PHY1 regmap entry isn’t initialized. This can lead to a kernel NULL pointer deref...

CVE-2021-47271 usb: cdnsp: Fix deadlock issue in cdnsp_thread_irq_handler

In the Linux kernel, the following vulnerability has been resolved: usb: cdnsp: Fix deadlock issue in cdnspthreadirqhandler Patch fixes the following critical issue caused by deadlock which has been detected during testing NCM class: smp: csd: Detected non-responsive CSD lock 1 on CPU0 smp: csd:...

CVE-2021-47270 usb: fix various gadgets null ptr deref on 10gbps cabling.

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadgets null ptr deref on 10gbps cabling. This avoids a null pointer dereference in fecm,eem,hid,loopback,printer,rndis,serial,sourcesink,subset,tcm by simply reusing the 5gbps config for 10gbps...

CVE-2021-47259

CVE-2021-47259 is a Linux kernel use-after-free in NFS: nfs4_init_client. Public docs confirm KASAN-detected UAF when mounting two exports via two NICs on the same server; affected kernels include around 5.7–5.10 with the root cause linked to refcounting changes. The connected Astra/Unity/EulerOS...