kernel: xsk: fix refcount underflow in error path

In the Linux kernel, the following vulnerability has been resolved: xsk: fix refcount underflow in error path Fix a refcount underflow problem reported by syzbot that can happen when a system is running out of memory. If xpalloctxdescs fails, and it can only fail due to not having enough memory,...

kernel: usb: host: Fix refcount leak in ehci_hcd_ppc_of_probe

In the Linux kernel, the following vulnerability has been resolved: usb: host: Fix refcount leak in ehcihcdppcofprobe offindcompatiblenode returns a node pointer with refcount incremented, we should use ofnodeput on it when done. Add missing ofnodeput to avoid refcount leak...

CVE-2021-47467

In the Linux kernel, the following vulnerability has been resolved: kunit: fix reference count leak in kfreeatend The reference counting issue happens in the normal path of kfreeatend. When kunitallocandgetresource is invoked, the function forgets to handle the returned resource object, whose...

DEBIAN-CVE-2021-47450

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 a...

CVE-2021-47450

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 a...

CVE-2021-47450

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 a...

UBUNTU-CVE-2021-47467

In the Linux kernel, the following vulnerability has been resolved: kunit: fix reference count leak in kfreeatend The reference counting issue happens in the normal path of kfreeatend. When kunitallocandgetresource is invoked, the function forgets to handle the returned resource object, whose...

UBUNTU-CVE-2021-47450

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 a...

CVE-2021-47467 kunit: fix reference count leak in kfree_at_end

In the Linux kernel, the following vulnerability has been resolved: kunit: fix reference count leak in kfreeatend The reference counting issue happens in the normal path of kfreeatend. When kunitallocandgetresource is invoked, the function forgets to handle the returned resource object, whose...

CVE-2021-47450

CVE-2021-47450 affects the Linux kernel KVM arm64 when running in protected mode. The issue was in the host stage-2 page-table (PGD) refcount: the KVM page-table library refcounts concatenated stage-2 PGD pages individually, but in EL2 the host stage-2 PGD could be a single high-order compound pa...

CVE-2021-47450 KVM: arm64: Fix host stage-2 PGD refcount

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 a...

CVE-2021-47450 KVM: arm64: Fix host stage-2 PGD refcount

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 a...

CVE-2021-47450: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 a...

DEBIAN-CVE-2023-52854

In the Linux kernel, the following vulnerability has been resolved: padata: Fix refcnt handling in padatafreeshell In a high-load arm64 environment, the pcryptaead01 test in LTP can lead to system UAF Use-After-Free issues. Due to the lengthy analysis of the pcryptaead01 function call, I'll...

CVE-2023-52772

In the Linux kernel, the following vulnerability has been resolved: afunix: fix use-after-free in unixstreamreadactor syzbot reported the following crash 1 After releasing unix socket lock, u-oobskb can be changed by another thread. We must temporarily increase skb refcount to make sure this othe...

UBUNTU-CVE-2023-52854

In the Linux kernel, the following vulnerability has been resolved: padata: Fix refcnt handling in padatafreeshell In a high-load arm64 environment, the pcryptaead01 test in LTP can lead to system UAF Use-After-Free issues. Due to the lengthy analysis of the pcryptaead01 function call, I'll...

CVE-2023-52854 padata: Fix refcnt handling in padata_free_shell()

In the Linux kernel, the following vulnerability has been resolved: padata: Fix refcnt handling in padatafreeshell In a high-load arm64 environment, the pcryptaead01 test in LTP can lead to system UAF Use-After-Free issues. Due to the lengthy analysis of the pcryptaead01 function call, I'll...

CVE-2023-52854 padata: Fix refcnt handling in padata_free_shell()

In the Linux kernel, the following vulnerability has been resolved: padata: Fix refcnt handling in padatafreeshell In a high-load arm64 environment, the pcryptaead01 test in LTP can lead to system UAF Use-After-Free issues. Due to the lengthy analysis of the pcryptaead01 function call, I'll...

CVE-2023-52772 af_unix: fix use-after-free in unix_stream_read_actor()

In the Linux kernel, the following vulnerability has been resolved: afunix: fix use-after-free in unixstreamreadactor syzbot reported the following crash 1 After releasing unix socket lock, u-oobskb can be changed by another thread. We must temporarily increase skb refcount to make sure this othe...

DEBIAN-CVE-2021-47325

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Fix armsmmudevice refcount leak in address translation The reference counting issue happens in several exception handling paths of armsmmuiovatophyshard. When those error scenarios occur, the function forgets to...