Linux kernel 资源管理错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A resource management error vulnerability exists in Linux kernel that stems from nbd allowing reconnection after disconnection, which could lead to reuse after release...

USN-7303-1 linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACPI drivers; - Drivers cor...

DEBIAN-CVE-2022-49295

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:...

DEBIAN-CVE-2022-49297

In the Linux kernel, the following vulnerability has been resolved: nbd: fix io hung while disconnecting device In our tests, "qemu-nbd" triggers a io hung: INFO: task qemu-nbd:11445 blocked for more than 368 seconds. Not tainted 5.18.0-rc3-next-20220422-00003-g2176915513ca 884 "echo 0...

DEBIAN-CVE-2022-49300

In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between nbdallocconfig and module removal When nbd module is being removing, nbdallocconfig may be called concurrently by nbdgenlconnect, although trymoduleget will return false, but nbdallocconfig doesn't handle it...

UBUNTU-CVE-2022-49297

In the Linux kernel, the following vulnerability has been resolved: nbd: fix io hung while disconnecting device In our tests, "qemu-nbd" triggers a io hung: INFO: task qemu-nbd:11445 blocked for more than 368 seconds. Not tainted 5.18.0-rc3-next-20220422-00003-g2176915513ca 884 "echo 0...

CVE-2022-49147

In the Linux kernel, the following vulnerability has been resolved: block: Fix the maximum minor value is blkallocextminor idaallocrange..., min, max, ... returns values from min to max, inclusive. So, NREXTDEVT is a valid idx returned by blkallocextminor. This is an issue because in deviceadddis...

UBUNTU-CVE-2022-49147

In the Linux kernel, the following vulnerability has been resolved: block: Fix the maximum minor value is blkallocextminor idaallocrange..., min, max, ... returns values from min to max, inclusive. So, NREXTDEVT is a valid idx returned by blkallocextminor. This is an issue because in deviceadddis...

CVE-2022-49300 nbd: fix race between nbd_alloc_config() and module removal

In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between nbdallocconfig and module removal When nbd module is being removing, nbdallocconfig may be called concurrently by nbdgenlconnect, although trymoduleget will return false, but nbdallocconfig doesn't handle it...

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-2022-49147

Technical details for CVE-2022-49147 are not publicly provided in the supplied documents; no affected products, impact, or remediation are specified here. Monitor for updates from connected sources.

PT-2025-8622 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A NULL pointer dereference issue has been identified in the Linux kernel, specifically in the xen-blkfront component. This issue occurs when a VBD is not fully created and then closed,...

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 nbd device disconnecting that could cause an IO hang...

CVE-2022-49147: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: block: Fix the maximum minor value is blkallocextminor idaallocrange..., min, max, ... returns values from min to max, inclusive. So, NREXTDEVT is a valid idx returned by blkallocextminor. This is an issue because in deviceadddis...

USN-7276-1: Linux kernel vulnerabilities

Attila Szász discovered that the HFS+ file system implementation in the Linux Kernel contained a heap overflow vulnerability. An attacker could use a specially crafted file system image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: The issue related to the null-ptr-deref in the blockdirtybuffer tracepoint has been fixed. When using the “block:blockdirtybuffer” tracepoint, the markbufferdirty function may cause a NULL pointer dereference, or a genera...

The vulnerability of the nbd_disconnect_and_put() function in the /drivers/block/nbd.c component of the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the nbddisconnectandput function in the /drivers/block/nbd.c component of the Linux kernel is related to pointer arithmetic errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

PT-2025-9980

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A issue in the Linux kernel has been resolved, related to the blkdev read iter function. This function has odd checks, such as gating the position and count adjustment based on the resul...

PT-2025-30857

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The Linux kernel contains a use-after-free issue within the network block device nbd module. Specifically, the nbd genl connect function does not properly stop the device on certain erro...

SUSE CVE-2024-56693

In the Linux kernel, the following vulnerability has been resolved: brd: defer automatic disk creation until module initialization succeeds My colleague Wupeng found the following problems during fault injection: BUG: unable to handle page fault for address: fffffbfff809d073 PGD 6e648067 P4D...