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 code execution vulnerability exists in the Linux kernel due to a "use after release" flaw in llcpsockbind/connect. An attacker could exploit this vulnerability to execute...

CentOS 9 : python3.11-3.11.5-1.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the python3.11-3.11.5-1.el9 build changelog. - An issue was discovered in Python before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, and 3.11.x before 3.11.5. It primarily...

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

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...

DEBIAN-CVE-2021-47033

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix tx skb dma unmap The first pointer in the txp needs to be unmapped as well, otherwise it will leak DMA mapping entries...

DEBIAN-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...

DEBIAN-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...

DEBIAN-CVE-2021-47013

In the Linux kernel, the following vulnerability has been resolved: net:emac/emac-mac: Fix a use after free in emacmactxbufsend In emacmactxbufsend, it calls emactxfilltpd..,skb,... If some error happens in emactxfilltpd, the skb will be freed via devkfreeskbskb in error branch of emactxfilltpd...

UBUNTU-CVE-2021-46998

In the Linux kernel, the following vulnerability has been resolved: ethernet:enic: Fix a use after free bug in enichardstartxmit In enichardstartxmit, it calls enicqueuewqskb. Inside enicqueuewqskb, if some error happens, the skb will be freed by devkfreeskbskb. But the freed skb is still used in...

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...

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 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...

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...