Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The roccatreportevent in the drivers/hid/hid-roccat.c file in the Linux kernel, as of version 5.19.12, contains a race condition, which can lead to a use-after-free situation under certain conditions when a report is received while the report-value copy operation is in progress...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nvme: fixed a possible use-after-free in controller reset during load Unlike .queuerq, in .submitasyncevent, drivers may not check the ctrl readiness for AER submission. This may lead to a use-after-free condition, which was...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Added a null pointer check in opaleventinit. kasprintf returns a pointer to dynamically allocated memory; this pointer may be NULL in case of failure...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: The BUGON flag has been removed when the event pool is empty. In practice, the driver should never send more commands than are allocated to the event pool. If this happens, the code will assert the BUGON flag. In th...

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

A issue was discovered in the Linux kernel through version 5.9.1, as used with Xen up to version 4.14.x. The file drivers/xen/events/eventsbase.c allows for the removal of event channels during the event-handling loop a race condition. This can lead to a use-after-free or NULL pointer...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by moving j1939skerrqueue This commit addresses a deadlock situation that can occur in certain scenarios, such as when running data TP/ETP transfers and subscribing to the error queue while...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

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 – Vulnerabilities in Linux 5.10, Linux 5.15

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...

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 – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: A race condition has been fixed, where eprobes can be called before the event occurs. The flag that instructs the event to call its triggers after reading the event is set for eprobes after they are enabled. This leads t...

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

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Fixed a null pointer crash in mtkdrmcrtcfinishpageflip. It is possible that mtkcrtc-event is NULL in mtkdrmcrtcfinishpageflip. The pendingneedsvblank value is set by mtkcrtc-event, but in mtkdrmcrtcatomicFlush, it...

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 – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: Destroy the cmid before destroying the qp to avoid using it after freeing it. We should always destroy the cmid before destroying the qp to prevent accessing the cma after the qp is destroyed. This can lead to incorrec...

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/smc: Reduced Rtnl pressure in smcpnetcreatepnetidslist. Many syzbot reports indicate extreme Rtnl pressure, and many of them suggest that smc acquires Rtnl during the creation of netnames without any valid reason 1. This patc...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: Staging: rtl8192bs: Fixed a deadlock in rtwjoinbsseventprehandle. There is a deadlock in rtwjoinbsseventprehandle, as shown below: Thread 1 | Thread 2 | settimer rtwjoinbsseventprehandle | modtimer spinlockbh //1 | Wait...

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

In the Linux kernel, the following vulnerabilities have been resolved: memcgwriteeventcontrol: fixed a user-triggered oops. We do not guarantee that anything beyond the terminating NUL is mapped let alone initialized with anything sensible...

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

In the Linux kernel, the following vulnerability has been resolved: Tracing: Consider the NULL character when validating the event length. strlen returns the length of a string excluding the null byte. If the string length equals the maximum buffer length, there will be no space left in the buffe...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: perf: Fix for perfpendingtask UaF According to syzbot, it is possible for perfpendingtask to continue running after the event has been freed. There are two related but distinct cases: - The taskwork was already queued before the...