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 unverified dev validity, which could lead to a null pointer dereference...

CVE-2025-21901 RDMA/bnxt_re: Add sanity checks on rdev validity

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: Add sanity checks on rdev validity There is a possibility that ulpirqstop and ulpirqstart callbacks will be called when the device is in detached state. This can cause a crash due to NULL pointer dereference as the...

UBUNTU-CVE-2022-49531

In the Linux kernel, the following vulnerability has been resolved: loop: implement -freedisk Ensure that the lodevice which is stored in the gendisk private data is valid until the gendisk is freed. Currently the loop driver uses a lot of effort to make sure a device is not freed when it is stil...

CVE-2022-49531 loop: implement ->free_disk

In the Linux kernel, the following vulnerability has been resolved: loop: implement -freedisk Ensure that the lodevice which is stored in the gendisk private data is valid until the gendisk is freed. Currently the loop driver uses a lot of effort to make sure a device is not freed when it is stil...