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/i915/gt: Resets queuepriorityhint when parking Originally, with strict order execution, we could only complete execution when the queue was empty. Preempt-to-busy allows for the replacement of an active request that may...

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: drm/sched: Increasing the job count before swapping the SPSC queue. There is a minor race condition between spscqueuepush and the run-job worker. In this race condition, spscqueuepush may return not-first, while the run-job worke...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed page reclamation for dead peer hairpin When adding a hairpin flow, a send queue is created on the peer net device’s side, which claims some host memory pages for its internal ring buffer. If the peer net devic...

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

In the Linux kernel, the following vulnerability has been resolved: “ice”: fixed the sizing of vsi-txqmap. The approach of having XDP queues per CPU, regardless of the user’s settings, exposed a hidden bug that could occur when the number of Rx queues differs from the number of Tx queues...

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 – 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 vulnerabilities have been resolved: block: Fixed a possible memory leak for rqwb when deviceadddisk fails. kmemleak reported memory leaks in deviceadddisk: - 3 new suspected memory leaks. Unreferenced object: 0xffff88800f420800 size 512: Command “modprobe”, PID...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A race condition was detected in the Linux kernel’s watch queue due to a missing lock in the piperesizering function. The specific flaw lies in the handling of pipe buffers. The problem arises from the lack of proper locking when performing operations on an object. This flaw allows a local user t...

Astra Linux – Vulnerability in Linux 5.10

A out-of-bounds memory write flaw was discovered in the Linux kernel’s watchqueue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system...

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

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

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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Staging: rtl8712: Fixed a potential memory leak in r871xudrvinit. In r871xudrvinit, if r8712initdrvsw fails, the memory allocated by r8712allocioqueue in r8712usbdvobjinit is not properly released. This is because no action is...

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...

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

In the Linux kernel, the following vulnerability has been resolved: TCP: Added sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro function changed the RCV SEQ after restoring data in the receive queue. mprotect0x4aa000, 12288, PROTREAD = 0 mmap0x1ffff000, 4096, PROTNON...

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...