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: aoe: Clean the rqlist of a aoe device in aoedevdowndev. The rqlist of an aoe device contains accepted block requests that are waiting to be transmitted to the aoe target. This queue was added as part of the transition to blkmq...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: ensure we’re polling a polled queue. A user can change the number of polled queues at runtime. There is a short window during a reset when a hipri task may try to poll that queue before the block layer has updated the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: iavf: Fixed error handling related to adminq. iavfallocasqbufs/iavfallocarqbufs allocate memory for VF mailbox using dmaalloccoherent. DMA regions for both ASQ and ARQ are freed in case an error occurs during the configuration...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Returns a CQE error if an invalid lkey is provided. RXE fails to update the WQE status in cases of LOCALwrite failures. This caused the following kernel panic if someone executed an atomic operation with an explicitl...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: Kyber: An out-of-bounds access issue occurs when the thread is preempted. The function blkmqschedbiomerge retrieves the ctx and hctx for the current CPU and passes the hctx to -biomerge. The function kyberbiomerge then retrieves...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciqca: Use deltimersync before freeing the timer. When checking a crash report regarding a corrupted timer list, it was found that this issue usually occurs when a timer is freed while still active. This problem is...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gadgetfs: epio – wait until IRQ finishes. After usbepqueue, if waitforcompletioninterruptible is interrupted, we need to wait until IRQ is completed. Otherwise, complete from epiocomplete can corrupt the stack...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/mlx5: Returns the firmware result upon destroying QP/RQ. Previously, when destroying a QP/RQ, the result of the firmware destruction function was ignored, and the upper layers were not informed of the failure. This could...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Fixed the “kernel NULL pointer dereference” error. When the rxequeueinit function in the rxeqpinitreq function fails, both qp-req.task.func and qp-req.task.arg are not initialized. Due to the failure in creating the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ice: The txtstamps field is set when creating new Tx rings using ethtool. When the user changes the number of queues via ethtool, the driver allocates new Tx rings. This allocation does not initialize the txtstamps field. As a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfsd: The value of sccount is decreased directly if the dlrecall queue operation fails. A deadlock warning occurred when invoking nfs4putstid after a failed dlrecall queue operation: T1 T2 nfs4laundromat nfs4getclientreaplist...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a issue where a “use-after-free” condition could occur during an interrupt. During a destroy CQ operation, an interrupt may cause the processing of a CQE to occur after the resources managed by irdmacqfreersrc...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Fixed a memory leak in blkmqinitallocatedqueue. There is a memory leak caused by modprobe nullblk.ko. Unreferenced object 0xffff8881acb1f000 size 1024: - Command: “modprobe”, PID: 836, Jiffies: 4294971190 Age: 27.068...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the “block” section, it is no longer allowed for the same type of “rqqos” to be added more than once. In our testing of “iocost”, we encountered some corruption in the “innerwalk” list during the execution of “ioc timerfn”. Th...

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

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Unused nvmelswaitq wait queue has been removed. A system crash occurs when qla2x00startspsp returns an error code EGAIN, and wakeup is called for an uninitialized wait queue sp-nvmelswaitq. - qla2xxx...

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

In the Linux kernel, the following vulnerability has been resolved: net: fec: fixed the potential memory leak in fecenetinit. If the memory allocated for cbdbase fails, it should free the memory allocated for the queues; otherwise, a memory leak will occur. And if the memory allocated for the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iavf: Freeing qvectors before queues in iavfdisablevf. The iavffreequeues function clears adapter-numactivequeues, which iavffreeqvectors relies on. Therefore, the order of these two function calls in iavfdisablevf needs to be...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfqueue – fixed a possible use-after-free issue. Eric Dumazet says: The sockhold function seems suspicious, as there is no guarantee that skrefcnt is not already 0. In case of failure, we cannot queue the packet and...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: ibmvfc: Queue resources are allocated/free only during probe/remove operations. Currently, sub-queues and event pool resources are allocated/free for every CRQ connection event, such as resets and LPM. This exposes the...