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: MIPS: KVM: Fix for NULL pointer dereferencing After committing change 45c7e8af4a5e3f0bea4ac209 “MIPS: Remove KVMTE support”, we encountered a NULL pointer dereferencing issue when creating a KVM guest: 146.243409 Starting KVM wit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/vm: moved xesvminit earlier. In xevmcloseandput, we need to be able to call xesvmfini. However, during vm creation, we can call this function on the error path, before actually initializing the svm state. This leads to...

Astra Linux – Vulnerability in node-tar

The npm package “tar” also known as node-tar in versions prior to 4.4.16, 5.0.8, and 6.1.7 has vulnerabilities related to arbitrary file creation/overwriting and arbitrary code execution. node-tar aims to ensure that any file whose location would be modified by a symbolic link is not extracted...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fixed a memory leak in kvmeiointcdestroy. In kvmioctlcreatedevice, kvmdevice allocates memory. kvmdevice-destroy seems to be supposed to free up the kvmdevice structure, but kvmeiointcDestroy does not do this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Unmarking an inode as being in use in error paths The inode is marked as “in use” if an error occurs. If the marking of the inode as “in use” occurs in cachefilesopenfile, Cachefiles will report an error message sayin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: The function eagerly init vgic dist/redist on vgic creation is vulnerable. If the vgicallocateprivateirqslocked function fails for any reason, we exit kvmvgiccreate early, leaving dist-rdregions uninitialized. The...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the net/netfilter/nftablesapi.c file within the Linux kernel, up to version 5.18.1, it is possible for a local user who can create user/net namespaces to escalate privileges to root. This occurs because an incorrect NFTSTATEFULEXPR check leads to a use-after-free vulnerability...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fixed unsafe code that drained send or recv work queues before they were actually created. If the createqp function does not succeed completely, it is possible for the qp cleanup code to attempt to drain the send or rec...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: Initialize gfntopfncache locks in dedicated helper Move the gfntopfncache lock initialization to another helper and call the new helper during VM/vCPU creation. There are race conditions possible due to kvmgfntopfncacheinit’...

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

A use-after-free vulnerability was discovered in iscsiswtcpsessioncreate in drivers/scsi/iscsitcp.c within the SCSI sub-component of the Linux kernel. This flaw allows an attacker to access internal kernel information...

Astra Linux – Vulnerability in h2database

The H2 Console before version 2.1.210 allowed remote attackers to execute arbitrary code through a jdbc:h2:mem JDBC URL that contained the IGNOREUNKNOWNSETTINGS=TRUE;FORBID CREATION=FALSE;INIT=RUNSCRIPT substring. This is a different vulnerability than CVE-2021-42392. source-iocs-preserved...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: The “Drain deferred trigger” operation is freed if kthread creation fails. Registration of boot-time triggers may fail before the trigger-data cleanup is completed. If a kthread exists, deferring the “Drain deferred...

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: net/mlx5: Properly linking new fs rules into the tree Previously, addrulefg would only add newly created rules from the handle into the tree when their refcount was 1. On the other hand, createflowhandle attempts to find and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: schedext: The crash that occurred during the creation of helper kthreads due to scxenable has been fixed. A crash was observed when the schedext selftest runner was terminated with Ctrl+\ while test 15 was running: NIP...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: afs: Fixed the delayed allocation of a cell’s anonymous key. The allocation of a cell’s anonymous key is performed in a background thread, along with other cell-related operations such as making DNS calls. In the reported bug, th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: lan966x: Fixed a potential nullptrderef in lan966xstatsinit. lan966xstatsinit calls createsinglethreadworkqueue, without checking the return value. This may result in NULL being returned. A nullptrderef could occur:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: io-wq: Check for wq exit after adding a new worker taskwork. We check the IOWQBITEXIT flag before attempting to create a new worker. The wq exit cancels any pending tasks if there are any. However, it’s possible for a race...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: idpf: Fixed a NULL pointer crash that occurred during early ethtool operations. The RSS LUT is not initialized until the interface becomes active. This caused a NULL pointer crash when ethtool operations like rxhash were...

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

In btrfsgetrootref in fs/btrfs/disk-io.c within the Linux kernel, up to version 6.7.1, there may be an assertion failure and a crash occurring because a subvolume can be read out too early after its root item is inserted during subvolume creation...