Design/Logic Flaw

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: free queued packets when closing socket As reported by syzbot 1, there is a memory leak while closing the socket. We partially solved this issue with commit ac03046ece2b "vsock/virtio: free packets during the socket...

UBUNTU-CVE-2021-47024

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: free queued packets when closing socket As reported by syzbot 1, there is a memory leak while closing the socket. We partially solved this issue with commit ac03046ece2b "vsock/virtio: free packets during the socket...

UBUNTU-CVE-2021-47038

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: avoid deadlock between hcidev-lock and socket lock Commit eab2404ba798 "Bluetooth: Add BTPHY socket option" added a dependency between socket lock and hcidev-lock that could lead to deadlock. It turns out that...

CVE-2021-47038

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: avoid deadlock between hcidev-lock and socket lock Commit eab2404ba798 "Bluetooth: Add BTPHY socket option" added a dependency between socket lock and hcidev-lock that could lead to deadlock. It turns out that...

CVE-2021-47038 Bluetooth: avoid deadlock between hci_dev->lock and socket lock

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: avoid deadlock between hcidev-lock and socket lock Commit eab2404ba798 "Bluetooth: Add BTPHY socket option" added a dependency between socket lock and hcidev-lock that could lead to deadlock. It turns out that...

CVE-2021-47024 vsock/virtio: free queued packets when closing socket

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: free queued packets when closing socket As reported by syzbot 1, there is a memory leak while closing the socket. We partially solved this issue with commit ac03046ece2b "vsock/virtio: free packets during the socket...

CVE-2021-47024

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: free queued packets when closing socket As reported by syzbot 1, there is a memory leak while closing the socket. We partially solved this issue with commit ac03046ece2b "vsock/virtio: free packets during the socket...

CVE-2021-47024

The CVE-2021-47024 issue is in the Linux kernel vsock/virtio path, where a memory leak occurs when closing a socket due to not draining the RX queue after the socket is definitively closed. The advisory notes partial remediation via ac03046ece2b, but the proper fix is to drain the RX queue before...

CVE-2021-47024 vsock/virtio: free queued packets when closing socket

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: free queued packets when closing socket As reported by syzbot 1, there is a memory leak while closing the socket. We partially solved this issue with commit ac03046ece2b "vsock/virtio: free packets during the socket...

SUSE CVE-2021-46911

In the Linux kernel, the following vulnerability has been resolved: chktls: Fix kernel panic Taking page refcount is not ideal and causes kernel panic sometimes. It's better to take txctx lock for the complete skb transmit, to avoid page cleanup if ACK received in middle...

SUSE CVE-2021-46925

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix kernel panic caused by race of smcsock A crash occurs when smccdctxhandler tries to access smcsock but smcrelease has already freed it. 4570.695099 BUG: unable to handle page fault for address: 000000002eae9e88...

Linux kernel security vulnerabilities

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 the Linux kernel that stems from a dependency between hcidev-lock and socket lock, which could lead to a deadlock...

PT-2024-21559 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a memory leak in the Bluetooth component of the Linux kernel, specifically in the btusb module. The problem occurs when the CONFIG DEV COREDUMP configuration is...

CVE-2021-47038: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: avoid deadlock between hcidev-lock and socket lock Commit eab2404ba798 "Bluetooth: Add BTPHY socket option" added a dependency between socket lock and hcidev-lock that could lead to deadlock. It turns out that...

DEBIAN-CVE-2021-46973

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Avoid potential use after free in MHI send It is possible that the MHI ulcallback will be invoked immediately following the queueing of the skb for transmission, leading to the callback decrementing the refcount of the...

UBUNTU-CVE-2021-46973

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Avoid potential use after free in MHI send It is possible that the MHI ulcallback will be invoked immediately following the queueing of the skb for transmission, leading to the callback decrementing the refcount of the...

CVE-2021-46925

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix kernel panic caused by race of smcsock A crash occurs when smccdctxhandler tries to access smcsock but smcrelease has already freed it. 4570.695099 BUG: unable to handle page fault for address: 000000002eae9e88...

CVE-2021-46929

In the Linux kernel, the following vulnerability has been resolved: sctp: use callrcu to free endpoint This patch is to delay the endpoint free by calling callrcu to fix another use-after-free issue in sctpsockdump: BUG: KASAN: use-after-free in lockacquire+0x36d9/0x4c20 Call Trace:...

CVE-2021-46925

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix kernel panic caused by race of smcsock A crash occurs when smccdctxhandler tries to access smcsock but smcrelease has already freed it. 4570.695099 BUG: unable to handle page fault for address: 000000002eae9e88...

DEBIAN-CVE-2021-46929

In the Linux kernel, the following vulnerability has been resolved: sctp: use callrcu to free endpoint This patch is to delay the endpoint free by calling callrcu to fix another use-after-free issue in sctpsockdump: BUG: KASAN: use-after-free in lockacquire+0x36d9/0x4c20 Call Trace:...