Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not report a bug if someone dirty pages without first consulting ext4. The unpinuserpagesremote function dirty pages without properly warning the file system in advance. Jan Kara noted this race condition in 20181...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: can: dev: fix skb drop check In commit a6d190f8c767 “can: skb: drop txskb if in listen-only mode”, the priv-ctrlmode element is read even on virtual CAN interfaces that do not create the structcanpriv structure during startup. Th...

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

In the Linux kernel, the following vulnerability has been resolved: igb: Revert the rtnllock function that causes deadlock. The commit 6faee3d4ee8b “igb: Add a lock to avoid data race” adds rtnllock to eliminate a false data race as shown below: Released from device detachment | Used from netdev...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iavf: fixed the hang that occurs upon reboot with ice When a system with E810 and existing VFs is rebooted, the following hang may occur. PID 1 is hung in iavfremove, part of a network driver: PID: 1 TASK: ffff965400e5a340 CPU...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: The repeatcallcontrol is deallocated if damoncall fails. damoncall for managing repeatcallcontrol of DAMONSYSFS may fail if the kdamond is stopped before the damoncall. This can occur, for example, when the damon...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Only warnings are issued when overwriting a shadow-present SPTE, specifically when the operation is performed on direct MMUs. This adjustment applies only to MMUs that do not have shadowed gPTEs. Although it’s...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF does not enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm Clean up the vf2pf work item 71.915088 ------------ Cut...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed queue reservation for XDP When XDP was configured on a system with a large number of CPUs and X722 NIC, there was a call trace involving a NULL pointer dereference. i40e 0000:87:00.0: Failed to obtain tracking for...

Astra Linux – Vulnerability in Qemu

A issue was discovered in QEMU 7.1.0 through 8.2.1. The registervfs function in hw/pci/pciesriov.c mishandles the situation where a guest writes a number of Virtual File Systems NumVFs that is greater than the total number of Virtual File Systems TotalVFs, resulting in a buffer overflow in VF...

Astra Linux – Vulnerability in OVN

A flaw was discovered in the Open Virtual Network OVN. In OVN clusters where BFD is used between hypervisors for high availability, an attacker can inject specially crafted BFD packets from within unprivileged workloads, including virtual machines or containers, which can trigger a denial of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: m68k: mm: Move initrd phystovirt handling after paginginit When booting with an initial ramdisk on platforms where physical memory does not start at address zero e.g., on the Amiga: initrd: 0ef0602c - 0f800000 Zone ranges: DMA me...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xhci: Device endpoints are removed from the bandwidth list when the device is freed. Endpoints are normally deleted from the bandwidth list when they are dropped, before the virt device is freed. If the xHCI host is dying or bein...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/xe/vf: Do not expose sysfs attributes that are not applicable to VFs. VFs cannot read the BMGPCIECAP0x138340 register, nor can they access the PCODE which is already guarded by the info.skippcode flag. Therefore, we should...

Astra Linux – Vulnerability in vlc

An integer overflow in the VNC module of the VideoLAN VLC Media Player, as of version 3.0.17.4, allows attackers to exploit this vulnerability by tricking users into opening a specially crafted playlist or connecting to a malicious VNC server. This could result in the crash of the VLC player or t...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU virtual crypto device during handling of data encryption/decryption requests in virtiocryptohandlesymreq. There is no check for the values of srclen and dstlen in virtiocryptosymophelper, which may lead to a heap buffer overflow if these values differ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: making the apf token non-zero to fix the bug In the current async pagefault logic, when a page is ready, KVM relies on kvmarchcandequeuepagepresent to determine whether to deliver a READY event to the Guest. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dpaa2-eth: The virtual address is retrieved before calling dmaunmap. The TSO header was unmapped via DMA before the virtual address was retrieved, and then the buffer was freed using that address. This meant that we actually...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: x86: Fixed a stack-out-of-bounds memory access from ioapicwriteindirect. KASAN reports the following issue: BUG: In kvmmakevcpusrequestmask+0x174/0x440 kvm, there is a stack-out-of-bounds situation. A read of size 8 at...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The hooks related to netdev are always released after the notifier is removed. This resolves the issue where, when a veth device is released, the veth release callback also queues the peer netns device for...

Astra Linux – Vulnerability in Qemu

An integer underflow issue was discovered in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could exploit this flaw to render QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service...