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. The Linux kernel suffers from a security vulnerability that stems from a flaw in its netrdsallocsgs that allows unprivileged local users to crash their computers...

UBUNTU-CVE-2021-3864

A flaw was found in the way the dumpable flag setting was handled when certain SUID binaries executed its descendants. The prerequisite is a SUID binary that sets real UID equal to effective UID, and real GID equal to effective GID. The descendant will then have a dumpable value set to 1. As a...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2022-9727)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2022-9727 advisory. 5.4.17-2136.310.7.1 - rds: copyfromuser only once per rdssendmsg system call Hans Westgaard Ry Orabug: 33981855 CVE-2022-21385 Tenable has extracted the...

DEBIAN-CVE-2022-1158

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

AZL-10540 CVE-2022-1158 affecting package kernel for versions less than 5.15.67.1-4

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

Design/Logic Flaw

In Veritas NetBackup, an attacker with unprivileged local access to a NetBackup Client may send specific commands to escalate their privileges. This affects 8.0 through 8.1.2, 8.2, 8.3 through 8.3.0.2, 9.x through 9.0.0.1, and 9.1.x through 9.1.0.1...

Veritas NetBackup 安全漏洞

Veritas NetBackup is a storage service from Veritas, Inc. that is used to provide backup and recovery capabilities for enterprise environments. The software supports ransomware detection and backup protection of environmental data such as metadata and virtual environments. A security vulnerabilit...

CVE-2022-23000

The Western Digital My Cloud Web App https://os5.mycloud.com/ uses a weak SSLContext when attempting to configure port forwarding rules. This was enabled to maintain compatibility with old or outdated home routers. By using an "SSL" context instead of "TLS" or specifying stronger validation,...

VulnCheck KEV: CVE-2022-0847

Linux kernel contains an improper initialization vulnerability where an unprivileged local user could escalate their privileges on the system. This vulnerability has the moniker of "Dirty Pipe."...

CVE-2022-22550

Dell PowerScale OneFS, versions 8.2.2 and above, contain a password disclosure vulnerability. An unprivileged local attacker could potentially exploit this vulnerability, leading to account take over...

CVE-2022-22550

Dell PowerScale OneFS, versions 8.2.2 and above, contain a password disclosure vulnerability. An unprivileged local attacker could potentially exploit this vulnerability, leading to account take over...

CVE-2022-1263

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

CVE-2021-4095

A NULL pointer dereference was found in the Linux kernel's KVM when dirty ring logging is enabled without an active vCPU context. An unprivileged local attacker on the host may use this flaw to cause a kernel oops condition and thus a denial of service by issuing a KVMXENHVMSETATTR ioctl. This fl...

CVE-2021-4095

A NULL pointer dereference was found in the Linux kernel's KVM when dirty ring logging is enabled without an active vCPU context. An unprivileged local attacker on the host may use this flaw to cause a kernel oops condition and thus a denial of service by issuing a KVMXENHVMSETATTR ioctl. This fl...

CVE-2021-3560

It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this...

EulerOS Virtualization 3.0.6.0 : polkit (EulerOS-SA-2022-1090)

According to the versions of the polkit packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of th...

DEBIAN-CVE-2022-21813

NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel driver, where improper handling of insufficient permissions or privileges may allow an unprivileged local user limited write access to protected memory, which can lead to denial of service...

CVE-2022-21813

NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel driver, where improper handling of insufficient permissions or privileges may allow an unprivileged local user limited write access to protected memory, which can lead to denial of service...

UBUNTU-CVE-2022-21813

NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel driver, where improper handling of insufficient permissions or privileges may allow an unprivileged local user limited write access to protected memory, which can lead to denial of service...

UBUNTU-CVE-2022-21814

NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel driver package, where improper handling of insufficient permissions or privileges may allow an unprivileged local user limited write access to protected memory, which can lead to denial of service...