hyperv-daemons bug fix and enhancement update

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section...

hyperv-daemons bug fix and enhancement update

An update is available for hyperv-daemons. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky...

An issue was discovered in the Linux kernel through 5.11.11. synic_get in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context aka CID-919f4ebc5987.

...

Vulnerabilities fixed in Microsoft Windows

Vulnerabilities have been fixed in Windows. The vulnerabilities allow a malicious person to carry out attacks that lead to the following categories of damage: Denial-of-Service DoS Circumvention of security measure Remote code execution User rights Impersonating another user Access to sensitive...

The vulnerability of the `synic_get` function in the Linux operating system’s kernel, arch/x86/kvm/hyperv.c, allows a attacker to cause a service failure.

The vulnerability of the synicget function in the Linux operating system’s kernel arch/x86/kvm/hyperv.c is related to the swapping of the zero pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2021-30178

An issue was discovered in the Linux kernel through 5.11.11. synicget in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987...

AZL-6556 CVE-2021-30178 affecting package kernel for versions less than 5.10.78.1-1

An issue was discovered in the Linux kernel through 5.11.11. synicget in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987...

CVE-2021-30178

An issue was discovered in the Linux kernel through 5.11.11. synicget in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987...

Linux kernel 代码问题漏洞

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A null pointer dereference vulnerability exists in synicget in arch/x86/kvm/hyperv.c in Linux kernel 5.11.11 and...

hyperv-daemons bug fix and enhancement update

The hyperv-daemons packages provide a suite of daemons that are needed when a AlmaLinux guest is running on Microsoft Hyper-V. The following daemons are included: - hypervkvpd, the guest Hyper-V Key-Value Pair KVP daemon - hypervvssd, the implementation of Hyper-V VSS functionality - hypervfcopyd...

AZL-41940 CVE-2019-19076 affecting package hyperv-daemons for versions less than 6.6.35.1-1

A memory leak in the nfpabmu32knodereplace function in drivers/net/ethernet/netronome/nfp/abm/cls.c in the Linux kernel before 5.3.6 allows attackers to cause a denial of service memory consumption, aka CID-78beef629fd9. NOTE: This has been argued as not a valid vulnerability. The upstream commit...

AZL-41613 CVE-2019-10638 affecting package hyperv-daemons for versions less than 6.6.35.1-1

In the Linux kernel before 5.1.7, a device can be tracked by an attacker using the IP ID values the kernel produces for connection-less protocols e.g., UDP and ICMP. When such traffic is sent to multiple destination IP addresses, it is possible to obtain hash collisions of indices to the counter...

The vulnerability of the Hyper-V hardware virtualization system in the Windows operating system allows a hacker to trigger a service failure.

The vulnerability of the Hyper-V hardware virtualization system in the Windows operating system exists due to insufficient verification of input data on the host server. Exploiting this vulnerability can allow a malicious actor to cause service failures through a specially created application...

CVE-2019-0635

An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Information Disclosure Vulnerability'...

CVE-2018-8490

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019,...

CVE-2018-8439

A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Serve...

openSUSE Security Update : the Linux Kernel (openSUSE-2017-1194) (KRACK)

The openSUSE Leap 42.3 kernel was updated to 4.4.92 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-13080: Wi-Fi Protected Access WPA and WPA2 allowed reinstallation of the Group Temporal Key GTK during the group key handshake, allowing an attacker...

Microsoft Windows Hyper-V Denial of Service Vulnerability (CNVD-2017-32916)

Microsoft Windows and Windows Server are both products of Microsoft Corporation.Windows is a family of operating systems.Windows Server is a family of server operating systems.Hyper-V is one of the virtualization products. A denial of service vulnerability exists in the Hyper-V component of...

openSUSE Security Update : the Linux Kernel (openSUSE-2017-930)

The openSUSE Leap 42.3 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2017-1000111: Fixed a race condition in net-packet code that could be exploited to cause out-of-bounds memory access bsc1052365. - CVE-2017-1000112: Fixed a race...

kernel security and bug fix update

2.6.32-431.29.2 - kernel futex: Fix errors in nested key ref-counting Denys Vlasenko 1094457 1094458 CVE-2014-0205 - net vxlan: fix NULL pointer dereference Jiri Benc 1114549 1096351 CVE-2014-3535 2.6.32-431.29.1 - mm hugetlb: ensure hugepage access is denied if hugepages are not supported Gustav...