Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: A forced lockup of the work queue has been added to delay processing when using radeon. Although the radeon card performs fence operations and waits for the GPU to complete processing the current batch of rings, there...

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: kcm: Fixed error handling for SOCKDGRAM in kcmsendmsg. Syzkaller identified a memory leak in kcmsendmsg, and the commit c821a88bd720 "kcm: Fix memory leak in the error path of kcmsendmsg" suppressed this issue by updating...

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

In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: This issue prevents a Use-after-Free UAF condition in xenvifFlushHash. During the listforeachentryrcu iteration, when calling xenvifFlushHash, kfreercu does not exist within the rcu read critical section...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed a race condition related to command flushing flows. Fixed a warning due to a reference count issue after freeing memory, caused by a race condition involving command entries. This race condition occurs when one...

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

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Do not use the WQMEMRECLAIM flag for the workqueue. The issue was reported by a customer during SRIOV testing. When both the i40e and i40iw drivers are loaded, a warning is triggered in the checkFlushDependency function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: fixed a race condition in mptcppmnlflushaddrsdoit Eulgyu Kim reported crashes in mptcppmnlgetlocalid and/or mptcppmnlisbackup The root cause is the listspliceinit function in mptcppmnlflushaddrsdoit, which is not ready...

Astra Linux – Vulnerability in Xen

A issue was discovered in Xen through version 4.11.x, allowing users of x86 Intel HVM guest operating systems to obtain unintended read/write DMA access. This could potentially lead to a denial of service causing the host operating system to crash or result in privilege escalation. This issue...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvme-tcp: fixed a possible use-after-free issue in the transport errorrecovery process. While nvmetcpsubmitasynceventwork checks the ctrl and queue states before preparing the AER command and scheduling iowork, this check is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: All requests are flushed after setting CACHEFILESDEAD. In ondemand mode, when the daemon is processing an open request, if the kernel marks the cache as CACHEFILESDEAD, the cachefilesdaemonwrite function will always...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: fixed a deadlock between mddevsuspend and flush Bio A deadlock occurs when mddev is suspended while some of the flush Bio operations are still in progress. This is a complex issue. T1: The first flush occurs at the end of...

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: usb: renesasusbhs: Flush the notifyhotplugwork When performing continuous unbind/bind operations on the USB drivers available on the Renesas RZ/G2L SoC, a kernel crash with the message “Unable to handle kernel NULL pointer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SCSI: UFS: Core – Flush exception handling work when RPM level is zero Ensure that exception event handling work is explicitly flushed during suspension when the runtime power management level is set to UFSPMLVL0. When the RPM...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: added flushworkqueue to prevent UAF. Our detector identified a bug caused by concurrent use-after-free when detaching a NCI device. The main reason for this bug is the unexpected scheduling between the delayed mechanism...

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: comedi: Flushing partial mappings in the error case If some remappfnrange calls succeeded before one failed, we still have buffer pages mapped into the user-space page tables when we drop the buffer reference with...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv: Flush the current CPU’s ICache before flushing other CPUs. On SiFive Unmatched, I recently encountered the following bug during bootup: 0.000000 ftrace: allocating 36610 entries in 144 pages 0.000000 Oops – illegal...

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: ipv4: A reference count leak was fixed when using error routes with nexthop objects. When a nexthop object is deleted, it is marked as “dead”, and then fibtableFlush is called to flush all routes that use the dead nexthop. The...

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

In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Do not wait in vain when unloading the module. There is a race condition in the module exit path, where both deleting all controllers and freeing the “leftover IDs” occur simultaneously. To prevent double-freeing, a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Fixed the qp flush warnings in req When the qp is in an error state, the status of WQEs in the queue should be set to error. Otherwise, the following will occur. 920.617269 WARNING: CPU: 1 PID: 21 at...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/47x: Fixed the crash that occurred during the 47x syscall return. Eddie reported that newer kernels crashed during boot on his 476FSP2 system: - The kernel attempted to execute the user page b7ee2000 – a potential...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: Fixed an oops error when removing custom query handlers. When removing custom query handlers, the handler may still be used within the EC query workqueue. This could lead to a kernel oops if the module that holds the...