CVE-2021-47467

CVE-2021-47467: In the Linux kernel, a reference-count leak occurs in the kunit path of kfree_at_end when kunit_alloc_and_get_resource() is invoked. The resource’s refcount is increased but not properly accounted for, leaking a reference in the normal path. The fix replaces kunit_alloc_and_get_re...

CVE-2021-47454 powerpc/smp: do not decrement idle task preempt count in CPU offline

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: do not decrement idle task preempt count in CPU offline With PREEMPTCOUNT=y, when a CPU is offlined and then onlined again, we get: BUG: scheduling while atomic: swapper/1/0/0x00000000 no locks held by swapper/1/0...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a reference count leak in kfreeatend...

CVE-2023-52848

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop metainode's page cache in f2fsputsuper syzbot reports a kernel bug as below: F2FS-fs loop1: detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID...

AZL-42234 CVE-2023-52827 affecting package kernel for versions less than 5.15.158.2-1

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix possible out-of-bound read in ath12khttpullppdustats len is extracted from HTT message and could be an unexpected value in case errors happen, so add validation before using to avoid possible out-of-bound read i...

CVE-2023-52848

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop metainode's page cache in f2fsputsuper syzbot reports a kernel bug as below: F2FS-fs loop1: detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID...

UBUNTU-CVE-2023-52745

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

UBUNTU-CVE-2023-52848

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop metainode's page cache in f2fsputsuper syzbot reports a kernel bug as below: F2FS-fs loop1: detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID...

CVE-2023-52848 f2fs: fix to drop meta_inode's page cache in f2fs_put_super()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop metainode's page cache in f2fsputsuper syzbot reports a kernel bug as below: F2FS-fs loop1: detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID...

CVE-2023-52848 f2fs: fix to drop meta_inode's page cache in f2fs_put_super()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop metainode's page cache in f2fsputsuper syzbot reports a kernel bug as below: F2FS-fs loop1: detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID...

CVE-2023-52848 f2fs: fix to drop meta_inode's page cache in f2fs_put_super()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop metainode's page cache in f2fsputsuper syzbot reports a kernel bug as below: F2FS-fs loop1: detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID...

CVE-2023-52848

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop metainode's page cache in f2fsputsuper syzbot reports a kernel bug as below: F2FS-fs loop1: detect filesystem reference count leak during umount, type: 10, count: 1 kernel BUG at fs/f2fs/super.c:1639! CPU: 0 PID...

CVE-2023-52848

Summary (CVE-2023-52848) : The issue, reported for the Linux kernel’s f2fs file system, centers on a bug during f2fs_put_super() where the meta_inode page cache is not dropped after an IO error in f2fs_wait_on_all_pages. This can lead to a reference-count leak and a kernel panic during unmount. T...

DEBIAN-CVE-2021-47431

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pincount leak gmcv9,100gartdisable isn't called matched with correspoding gartenbale function in SRIOV case. This will lead to gart.bo pincount leak on driver unload...

CVE-2021-47431

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pincount leak gmcv9,100gartdisable isn't called matched with correspoding gartenbale function in SRIOV case. This will lead to gart.bo pincount leak on driver unload...

DEBIAN-CVE-2021-47425

In the Linux kernel, the following vulnerability has been resolved: i2c: acpi: fix resource leak in reconfiguration device addition acpii2cfindadapterbyhandle calls busfinddevice which takes a reference on the adapter which is never released which will result in a reference count leak and render...

DEBIAN-CVE-2021-47373

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Fix potential VPE leak on error In itsvpeirqdomainalloc, when itsvpeinit returns an error, there is an off-by-one in the number of VPEs to be freed. Fix it by simply passing the number of VPEs allocated, which...

CVE-2021-47336

In the Linux kernel, the following vulnerability has been resolved: smackfs: restrict bytes count in smksetcipso Oops, I failed to update subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: PATCH smackfs: restrict byt...

DEBIAN-CVE-2021-47336

In the Linux kernel, the following vulnerability has been resolved: smackfs: restrict bytes count in smksetcipso Oops, I failed to update subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: PATCH smackfs: restrict byt...

DEBIAN-CVE-2021-47327

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...