Astra Linux – Vulnerability in Linux, Linux 5.10

A race condition was identified in the Linux kernel’s perfeventopen function, which can be exploited by an unprivileged user to gain root privileges. This bug allows for the exploitation of several attack primitives, such as kernel address information leakage and arbitrary execution...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: fixed a memory leak in iiodeviceregistereventset When iiodeviceregistersysfsgroup returns an error, iiodeviceregistereventset must free the attrs array. Otherwise, kmemleak will detect and report a memory leak as follows:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: dmaengine: idxd: Fixed a crash that occurred when the event log was disabled. If reporting errors to the event log is not supported by the hardware, and an error that causes a Function Level Reset FLR is detected, the driver...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf: Fixed the refcount warning when incrementing event-mmapcount. When calling refcountinc&event-mmapcount within perfmmaprb, the following warning is triggered: c refcountt: Addition on 0; use-after-free. WARNING:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ipa: Fixed the issue where the event ring index was not properly programmed for IPA v5.0+. For IPA v5.0+ onwards, the event ring index field has been moved from CHCCNTXT0 to CHCCNTXT1. In IPA v5.0, this field was intended to...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Potential use-after-free issues have been avoided in hcierrorreset. When handling the HCIEVHARDWAREERROR event, if the underlying BT controller is not responding, the GPIO reset mechanism will free the hcidev, leading ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcievent: Fixed a potential Use-after-Allocation UAF issue in hcileremoteconnparamreqevt. Field access related to hciconn must be protected by the hcidevlock mechanism in hcileremoteconnparamreqevt. Otherwise, it’s...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nexthop: Fix memory leaks in nexthop notification chain listeners syzkaller discovered memory leaks 1 that can be reduced to the following commands: ip nexthop add id 1 blackhole devlink dev reload pci/0000:06:00.0 As part of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clockevents: Added missing resets to the nexteventforced flag. The mechanism used to prevent timer interrupts from being missed caused issues when the nexteventforced flag wasn’t reset in certain situations: - When the state of t...

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

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/srpt: Do not register the event handler until the srpt device is fully set up. In rare cases, KASAN reports a use-after-free error in the srptrefreshport function. This appears to occur because the event handler is...

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

In the Linux kernel, the following vulnerability has been resolved: Ring-buffer: Do not attempt to read beyond the “commit” boundary. When iterating over the ring buffer while the ring buffer is active, the writer can corrupt the reader’s data. There are mechanisms to detect and handle this issue...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fixed handling of HCIEVIOCAPAREQUEST. If we receive HCIEVIOCAPAREQUEST while HCIOPREADREMOTEEXTFEATURES has not yet been responded to, assume that the remote supports SSP. Otherwise, this event should not be...

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

A issue was discovered in the file drivers/media/dvb-core/dvbfrontend.c within the Linux kernel version 6.2. There is a blocking operation that occurs when a task is in the !TASKRUNNING state. In the function dvbfrontendgetevent, the function waiteventinterruptible is called; the condition used i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath12k – Fixed issues with dfs-radar and temperature event locking. The ath12k active PDevs are protected by RCU, but the code responsible for handling DFS-radar and temperature events, which calls ath12kmacgetarbypdevid...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/core: Always clear status for idx The variable status which contains the unhandled overflow bits is not being properly masked in some cases, resulting in the following warning: WARNING: CPU: 156 PID: 475601 at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/core: The handling of buffer mapping fails correctly in perfmmap. After a buffer is successfully allocated or attached to an existing buffer, perfmmap attempts to map the buffer into the page table in read-only mode. If this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fixed the missing initialization of the mrioc-evtackcmds array. The commit c1af985d27da “scsi: mpi3mr: Add Event acknowledgment logic” introduced an array mrioc-evtackcmds, but the initialization of its elements was...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed the svcdeferredevent trace class. Fixed a NULL dereference crash that occurs when an svcrqst is deferred, while the sunrpc tracing subsystem is enabled. svcrevisit sets dr-xprt to NULL, so it cannot be relied upon i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: connac: Do not check WED status for non-MMIO devices WED is only supported for MMIO devices. Therefore, do not check it for USB or SDIO devices. This patch fixes the crash reported below: 21.946627 wlp0s3u1i3:...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fixed a memory leak in the error flow for the subscribe event routine. In the event that the second xainsert function fails, the objevent object is not released. This issue has been fixed by correcting the error...