Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: The recycle buffer was handled in cases where the Rx queue was full. A missing call to xskbufffree was added when xskrcvzc failed to produce a descriptor for the XSK Rx queue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pdscore: The pdsccheckpcihealth function was fixed to use a work thread for execution. When the driver detects that fwstatus == 0xff, it attempts to perform a PCI reset on itself via the pciresetfunction function within the...

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

In the Linux kernel, the following vulnerability has been resolved: TCP: Make sure init calls the spinlocks of the acceptqueue once. When I run the reproduction C program by syz locally, it causes the following issue: pvqspinlock: Lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19;...

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: cpumap: The xdprxqinfo structure is not initialized to zero before running the XDP program. When running an XDP program that is associated with a cpumap entry, we do not initialize the xdprxqinfo data structure, which is used in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nvme: Fix for admin queue leaks upon controller reset When the nvmeallocadmintagset function is called during a controller reset, an existing admin queue may still exist. Properly release this queue before allocating a new one to...

Astra Linux – Vulnerability in Linux 5.10, Linux

The nfqnlmangle function in net/netfilter/nfnetlinkqueue.c in the Linux kernel, as of version 5.18.14, allows remote attackers to cause a denial of service panic. This occurs because, in the case of an nfqueue verdict with a one-byte nftapayload attribute, an skbpull operation may encounter a...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed the issue with page reclamation for dead peer devices. When adding a hairpin flow, a send queue is created on the peer net device’s side. This process requires some host memory pages for its internal ring...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/core: Set the send and receive CQ pointers before forwarding them to the driver. Preset both receive and send CQ pointers prior to calling the drivers, and overwrite them again until the mlx4 is changed. Do not overwrite...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iavf: Fixed NULL pointer dereferencing in iavfgetlinkksettings. Fixed a potential NULL pointer dereferencing issue, caused by freeing adapter-vfres in iavfinitgetresources. The previous commit introduced a regression, where...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xen/netback: Avoid entering xenvifrxnextskb with an empty rx queue. xenvifrxnextskb expects the rx queue not to be empty. However, if the loop in xenvifrxaction performs multiple iterations, the availability of another skb in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch object. The freewatch function does everything except actually freeing the watch object. This issue is fixed by adding the missing kfree call. KMEMLEAK generates a report similar to the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Fixed the NULL dereference on q-elevator in blkmqelvswitchnone. After acquiring the q-sysfslock, q-elevator may become NULL due to the elevator switch. Fixed the NULL dereference on q-elevator by checking it with a lock...

Astra Linux – Vulnerability in Linux 5.10, Linux

A use-after-free issue was discovered in the driver/firewire component, specifically in the outbound PhyPacketCallback function within the Linux kernel. In this flaw, a local attacker with special privileges could cause a use-after-free error when queueevent fails...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: The ctx variable is initialized to avoid a memory allocation error. It is possible that the ctx variable in nfqnlbuildpacketmessage could be used before it is properly initialized. This initialization i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: fixed a memory leak in hciupdateadvdata. When hcicmdsyncqueue fails in hciupdateadvdata, the instptr is not freed, which can lead to a memory leak. To address this issue, ERRPTR/PTRERR was used instead of...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allowed a heap-based buffer overflow in the queuerun function, through two sender options: -R and -S. This could lead to privilege escalation from the exim user to the root user...

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 Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Audit: Improved robustness of audit queue handling If the audit daemon becomes stuck in a stopped state, the kauditdthread function in the kernel might get blocked while attempting to send audit records to the audit daemon in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: NFSD: Deferred sub-object cleanup in export put callbacks The svcexportput function calls pathput and authdomainput immediately when the last reference is dropped, before the RCU grace period. RCU readers in eshow and cshow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed a race condition in cpumap on PREEMPTRT kernels. On PREEMPTRT kernels, the per-CPU xdpbulkqueue can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes that bqenqueue an...