CVE-2022-49295 nbd: call genl_unregister_family() first in nbd_cleanup()

In the Linux kernel, the following vulnerability has been resolved: nbd: call genlunregisterfamily first in nbdcleanup Otherwise there may be race between module removal and the handling of netlink command, which can lead to the oops as shown below: BUG: kernel NULL pointer dereference, address:...

CVE-2022-49295 nbd: call genl_unregister_family() first in nbd_cleanup()

In the Linux kernel, the following vulnerability has been resolved: nbd: call genlunregisterfamily first in nbdcleanup Otherwise there may be race between module removal and the handling of netlink command, which can lead to the oops as shown below: BUG: kernel NULL pointer dereference, address:...

CVE-2022-49259 block: don't delete queue kobject before its children

In the Linux kernel, the following vulnerability has been resolved: block: don't delete queue kobject before its children kobjects aren't supposed to be deleted before their child kobjects are deleted. Apparently this is usually benign; however, a WARN will be triggered if one of the child kobjec...

CVE-2022-49257

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix NULL dereference in error cleanup In watchqueuesetsize, the error cleanup code doesn't take account of the fact that freepage can't handle a NULL pointer when trying to free up buffer pages that did get allocated...

CVE-2022-49257

CVE-2022-49257 affects the Linux kernel and stems from a NULL dereference in watch_queue_set_size() during error cleanup. The code path could call __free_page() on buffers that were not allocated, causing a NULL pointer dereference (observed as a KASAN report in __free_pages). The issue is mitiga...

CVE-2022-49257 watch_queue: Fix NULL dereference in error cleanup

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix NULL dereference in error cleanup In watchqueuesetsize, the error cleanup code doesn't take account of the fact that freepage can't handle a NULL pointer when trying to free up buffer pages that did get allocated...

CVE-2022-49257 watch_queue: Fix NULL dereference in error cleanup

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix NULL dereference in error cleanup In watchqueuesetsize, the error cleanup code doesn't take account of the fact that freepage can't handle a NULL pointer when trying to free up buffer pages that did get allocated...

CVE-2022-49168

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

CVE-2022-49168 btrfs: do not clean up repair bio if submit fails

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

CVE-2022-49168 btrfs: do not clean up repair bio if submit fails

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

CVE-2022-49168

The CVE-2022-49168 entry concerns a Linux kernel bug in the btrfs repair path. The issue occurred when the repair submission failed and the code attempted to clean up the repair bio simultaneously with endio, creating potential use-after-free and NULL dereference conditions due to racing with bio...

CVE-2022-49168 btrfs: do not clean up repair bio if submit fails

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

CVE-2022-49076 RDMA/hfi1: Fix use-after-free bug for mm struct

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Fix use-after-free bug for mm struct Under certain conditions, such as MPIAbort, the hfi1 cleanup code may represent the last reference held on the task mm. hfi1mmurbunregister then drops the last reference and the mm ...

CVE-2022-49076

CVE-2022-49076 concerns the Linux kernel RDMA/hfi1 subsystem. The issue is a use-after-free in the mm struct lifecycle: under certain conditions (e.g., MPI_Abort), hfi1_mmu_rb_unregister() may drop the last reference to a task mm, freeing it before its final use in hfi1_release_user_pages. This c...

CVE-2022-49061

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: stmmac: fix altrtsepcs function when using a fixed-link When using a fixed-link, the altrtsepcs driver crashes due to null-pointer dereference as no phydevice is provided to tsepcsfixmacspeed function. Fix this by...

CVE-2022-49059 nfc: nci: add flush_workqueue to prevent uaf

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: add flushworkqueue to prevent uaf Our detector found a concurrent use-after-free bug when detaching an NCI device. The main reason for this bug is the unexpected scheduling between the used delayed mechanism timer and...

WordPress plugin WP Pricing Table 安全漏洞

WordPress and WordPress plugin are both products of the WordPress Foundation.WordPress is a blogging platform developed using the PHP language. The platform supports setting up personal blog sites on servers with PHP and MySQL.WordPress plugin is an application plugin. A security vulnerability...

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 the Linux kernel that stems from an incorrect cleanup sequence in rt5645i2cremove...

WordPress plugin CalendApp 安全漏洞

WordPress and WordPress plugin are both products of the WordPress Foundation.WordPress is a set of blogging platforms developed using the PHP language. The platform supports setting up personal blog sites on servers with PHP and MySQL.WordPress plugin is an application plugin. A security...

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 the Linux kernel that stems from not calling genlunregisterfamily first in the nbdcleanup function, which could lead to a contention between...