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 kernels, which can be exploited by attackers who can use it to cause a denial of service kernel memory exhaustion or gain privilege...

CVE-2021-3492

Shiftfs, an out-of-tree stacking file system included in Ubuntu Linux kernels, did not properly handle faults occurring during copyfromuser correctly. These could lead to either a double-free situation or memory not being freed at all. An attacker could use this to cause a denial of service kerne...

CVE-2021-23887

Privilege Escalation vulnerability in McAfee Data Loss Prevention DLP Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to write to arbitrary controlled kernel addresses. This is achieved by launching applications, suspending them, modifying the memory and restarting...

CVE-2021-23887

Privilege Escalation vulnerability in McAfee Data Loss Prevention DLP Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to write to arbitrary controlled kernel addresses. This is achieved by launching applications, suspending them, modifying the memory and restarting...

Juniper Junos OS Vulnerability (JSA11163)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA11163 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. C Tenable Network Security, Inc...

CVE-2021-23887: Improper Privilege Management

Privilege Escalation vulnerability in McAfee Data Loss Prevention DLP Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to write to arbitrary controlled kernel addresses. This is achieved by launching applications, suspending them, modifying the memory and restarting...

CVE-2021-0230

On Juniper Networks SRX Series devices with link aggregation lag configured, executing any operation that fetches Aggregated Ethernet AE interface statistics, including but not limited to SNMP GET requests, causes a slow kernel memory leak. If all the available memory is consumed, the traffic wil...

FreeBSD : FreeBSD -- double free in accept_filter(9) socket configuration interface (f8e1e2a6-9791-11eb-b87a-901b0ef719ab)

An unprivileged process can configure an accept filter on a listening socket. This is done using the setsockopt2 system call. The process supplies the name of the accept filter which is to be attached to the socket, as well as a string containing filter-specific information. If the filter...

VulnCheck KEV: CVE-2021-31955

Microsoft Windows Kernel contains an unspecified vulnerability that allows for information disclosure. Successful exploitation allows attackers to read the contents of kernel memory from a user-mode process...

kernel: out-of-bounds read in libiscsi module

A flaw was found in the Linux kernel. An out-of-bounds read was discovered in the libiscsi module that could lead to reading kernel memory or a crash. The highest threat from this vulnerability is to data confidentiality as well as system availability...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9140)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9140 advisory. - bpf, selftests: Fix up some testverifier cases for unprivileged Piotr Krysiuk Orabug: 32656761 CVE-2020-27170 CVE-2020-27171 - bpf: Add sanity...

UBUNTU-CVE-2020-36313

An issue was discovered in the Linux kernel before 5.7. The KVM subsystem allows out-of-range access to memslots after a deletion, aka CID-0774a964ef56. This affects arch/s390/kvm/kvm-s390.c, include/linux/kvmhost.h, and virt/kvm/kvmmain.c...

kernel: out-of-bounds read in libiscsi module

A flaw was found in the Linux kernel. An out-of-bounds read was discovered in the libiscsi module that could lead to reading kernel memory or a crash. The highest threat from this vulnerability is to data confidentiality as well as system availability...

kernel: out-of-bounds read in libiscsi module

A flaw was found in the Linux kernel. An out-of-bounds read was discovered in the libiscsi module that could lead to reading kernel memory or a crash. The highest threat from this vulnerability is to data confidentiality as well as system availability...

FreeBSD-SA-21:09.accept_filter

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-21:09.acceptfilter Security Advisory The FreeBSD Project Topic: double free in acceptfilter9 socket configuration interface Category: core Module: acceptfilter...

FreeBSD -- double free in accept_filter(9) socket configuration interface

Problem Description: An unprivileged process can configure an accept filter on a listening socket. This is done using the setsockopt2 system call. The process supplies the name of the accept filter which is to be attached to the socket, as well as a string containing filter-specific information. ...

CVE-2021-1791

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A...

CVE-2020-9930

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. A local user may be able to cause unexpected system termination or read kernel memory...

CVE-2020-9967

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, tvOS 14.0, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, watchOS 7.0, iOS 14.0 and iPadOS 14.0. A remote attacker may be able to...

CVE-2020-9930

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra. A local user may be able to cause unexpected system termination or read kernel memory...