Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent race during ffsep0queuewait When performing fast composition switching, there is a possibility that the process of ffsep0write/ffsep0read may enter a race condition due to ep0req being freed from the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: kcm: Race conditions occur when accessing skreceivequeue. sk-skreceivequeue is protected by the skb queue lock. However, for KCM sockets, the RX path requires mux-rxlock to protect more than just the skb queue. Nevertheless,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net, neigh: Fixed the null-ptr-deref in neightableclear. When the IPv6 module is initialized, an error occurs in the middle. This results in a kernel panic with the following error message: KASAN: Nullptrderef in range...

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

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Fixed a use-after-free in epremovewaitqueue If a non-root cgroup is removed while there is a thread that registered a trigger and is polling on a pressure file within the cgroup, the polling waitqueue will be freed in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to ...

Astra Linux – Vulnerability in Zeromq3

A flaw was discovered in the ZeroMQ server in versions prior to 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The greatest threat posed by this vulnerability is to confidentiality,...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: rt2x00 – The beacon queue is restarted when a hardware reset occurs. When a hardware reset is triggered, all registers are reset, causing all queues to be stopped in the hardware interface. However, mac80211 does not...

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

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Protection was added to the device queue against concurrent access. In the dasdprofilestart function, the number of requests on the device queue is counted. However, access to the device queue is not protected against...

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

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/qedr: Fixed the qedrcreateuserqp error flow. Avoid the following warning by ensuring that allocated resources are freed in case qedrinituserqueue fails. ----------- Cut here --- WARNING: CPU: 0 PID: 143192 at...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: Replace physindev with physinif in nfbridgeinfo. A skb can be added to the neigh-arpqueue while waiting for an arp reply. In this case, the skb’s skb-dev may differ from the neigh-dev of the destination. For...

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 5.15, Linux 6.1, Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: tls: handling of backlogging of crypto requests Since we are setting the CRYPTOTFMREQMAYBACKLOG flag on our requests to the crypto API, cryptoaeadencrypt,decrypt can return -EBUSY instead of -EINPROGRESS in valid situations...

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: llc: Do not use skbget before devqueuexmit. The syzbot exploit can cause hosts to crash, especially when using llc and devices that do not support IFFTXSKBSHARING. In this case, the e1000 driver calls ethskbpad, where the skb is...

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/sched: schcake: Fixed incorrect qlen reduction in cakedrop In cakedrop, qdisctreereducebacklog is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cakeenqueue, assumes that the parent qdisc will enqueue...

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: net/sched: It is enforced that teql can only be used as a root qdisc. The design intent of teql is that it is only supposed to be used as a root qdisc. Therefore, we need to ensure this constraint is respected. Although not very...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mana: The use-after-free issue in manahwcdestroychannel has been fixed by reordering the teardown process. There is a potential race condition in manahwcdestroychannel. In this situation, hwc-callerctx is freed before the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fixed a use-after-free in pm8001queuecommand The commit e29c47fe8946 “scsi: pm8001: Simplified pm8001taskexec” includes refactoring efforts for pm8001queuecommand. However, this refactoring introduced a potential...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In net: liquidio, there is a issue where the netdev pointer must be initialized before queue setup is performed. In setupnicdevices, the netdev is allocated using allocetherdevmq. However, the pointer to this structure is stored ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: virtio – Add spinlock protection with virtqueue notification When a virtual machine boots with a virtio-crypto PCI device and a built-in backend, run the openssl benchmark command with multiple processes. For example:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbedit: fix divide-by-zero in tcfskbedithash Commit 38a6f0865796 “net: sched: support hash selecting tx queue” added support for SKBEDITFTXQSKBHASH. The inclusive range size is computed as follows: mappingmod =...