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

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not ASSERT if the newly created subvolume has already been read. BUG There is a syzbot crash, triggered by the ASSERT during subvolume creation: Assertion failed: !anondev, in fs/btrfs/disk-io.c:1319 ----------- kernel...

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, 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 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 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: 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, 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 Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: io-wq: Fixed a memory leak during worker creation. If the CPU mask allocation for a node fails, the memory allocated for the iowqe structure of the current node does not get freed during error handling, since it has not yet been...

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 in Linux

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Clear all QP fields if creation failed rxeqpdocleanup relies on valid pointer values in QP for the properly created ones. However, if rxeqpfrominit fails, the QP fields may be filled with garbage, causing the followi...

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: 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 – 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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: wifi: ath12k: Avoid accessing uninitialized arvif-ar during beacon missed situations. During beacon missed handling, the ath12k driver iterates over active virtual interfaces vifs and attempts to access the radio object ar via...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Fixed a memory leak when thresholdcreatebank fails. In mcethresholdcreatedevice, if thresholdcreatebank fails, the previously allocated thresholdbanks array @bp will be leaked, because the call to...

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: openvswitch: Fixed a memory leak that occurred during failed datapath creation. ovsdpcmdnew - ovsdpchange - ovsdpsetupcallportids allocates an array using kmalloc. If newvport fails during ovsdpcmdnew, dp-upcallportids must be...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: RSI: Fixed a memory leak in rsicoexattach The coexcb object needs to be freed when rsicreatekthread fails in rsicoexattach...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: macvlan: Enforces a consistent minimal MTU. The macvlan mechanism should enforce a minimal MTU of 68, even when creating a link. This patch avoids the current behavior which could lead to crashes in the IPv6 stack if the link is...

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...