Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: Use ctx-lock to protect member variables related to memory allocation/free operations. The Exynos Virtual Display driver performs memory allocation/free operations without lock protection, which can easily lead ...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gem: Fixed the calculation of the boundaries of virtual memory mappings. The current approach calculates the size of the mapped area as the smaller value between the requested size and the actual size, without...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: octeontx2-vf: Added a missing “free” field for “allocpercpu”. Added the “freepercpu” field for the allocated “vf-hw.lmtinfo” in order to avoid memory leaks, similar to the “pf-hw.lmtinfo” in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: ena: Fixed incorrect descriptor freeing behavior. ENA has two types of TX queues: - Queues that only process TX packets arriving from the network stack. - Queues that only process TX packets forwarded to them by XDPREDIRECT ...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/iucv: Fixed the size of interrupt data iucvirqdata needs to be 4 bytes larger. These bytes are not used by the iucv module, but are written by the z/VM hypervisor in case a CPU is deconfigured. Reported as: BUG...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: igb: Initialize the mailbox message for VF reset When a MAC address is not assigned to the VF, that portion of the message sent to the VF is not set. However, memory is allocated from the stack, which means that information may b...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: KVM: SVM: Obtain source vCPUs from the source VM for SEV-ES intrahost migration Fixed a bug where KVM attempts to retrieve source vCPUs from the destination VM during intrahost migration. Retrieving the wrong vCPU not only fai...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix handling of virtual Fibre Channel timeouts Hyper-V provides the ability to connect Fibre Channel LUNs to the host system and present them as SCSI devices in a guest VM. I/O to the vFC device is handled by the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Discard packets if the transport changes. If the socket has been de-assigned or assigned to another transport, we must discard any packets received because they are not expected and would cause issues when accessing...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: hvnetvsc: Fixed a panic that occurred during namespace deletion with VF. The existing code moves the VF NIC to a new namespace when NETDEVREGISTER is received on the netvsc NIC. During the deletion of the namespace,...

Astra Linux – Vulnerability in Qemu

QEMU 5.0.0 has a use-after-free issue in the hw/usb/hcd-xhci.c file, as the return value of usbpacketmap is not checked...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Avoid lock inversion when pinning to GGTT on CHV/BXT+VTD After i915vmapinww is completed, a synchronous variant of dmafenceworkcommit is called. When pinning a VMA to GGTT address space on a Cherry View family processor...

Astra Linux – Vulnerability in Vim

Vim is an open-source command-line text editor. From version 9.2.0320 to 9.2.0679, a crafted undo or swap file could store a virtual-text property whose offset and length points outside the line’s property data. When Vim restores or displays such a line, it converts the offset into a pointer and...

Astra Linux – Vulnerability in OVN

A flaw was discovered in the Open Virtual Network OVN. Specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations that are configured with a logical switch equipped with DNS records. This occurs if the same switch has any egress ACLs configured. This issue can...

Astra Linux – Vulnerability in Qemu

A issue was discovered in QEMU versions 7.1.0 through 8.2.1. In hw/pci/pciesriov.c, the registervfs function does not set NumVFs to PCISRIOVTOTALVF, resulting in improper interaction with hw/nvme/ctrl.c...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

Transmitted requests in Xen’s virtual network protocol can consist of multiple parts. Although none of them are actually useful, except for the initial part, any of these parts can be of zero length, meaning they carry no data at all. Apart from the certain initial portion of the data to be...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Use VMMAP instead of VMALLOC for the ringbuf area. After the commit 2fd3fb0be1d1 “kasan, vmalloc: unpoison VMALLOC pages after mapping”, non-VMALLOC mappings will be marked as accessible in getvmareanode when KASAN is enable...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gvt: fixed the issue where vGPU debugfs was cleaned up during the remove operation. Check carefully whether the root debugfs is available when destroying the vGPU. For example, in the remove operation, the DRM minor’s...

Astra Linux – Vulnerability in freerdp3

FreeRDP before version 3.22.0 contains a use-after-free vulnerability in the dvcmanchannelclose and dvcmancallonreceive functions, due to improper synchronization of channel callback access. A malicious RDP server can trigger a race condition by sending DYNVCDATA and DYNVCCLOSE messages...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ip6mr: Fixed skbunderpanic in ip6mrcachereport. skbuff: skbunderpanic: Text: fffffffff88771f69; Len: 56; Put: -4; Head: ffffff88c0f86a800; Data: fffff887f5f86a850; Tail: 0x88; End: 0x2c0; Device: pim6reg. ----------- Cut here...