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

A vulnerability was discovered in the HCI socket implementation due to a missing capability check in the net/bluetooth/hcisock.c file within the Linux kernel. This flaw allows an attacker to execute management commands without authorization, compromising the confidentiality, integrity, and...

Astra Linux – Vulnerability in Linux, Linux 5.10

An integer overflow or wrap-around vulnerability exists in the OpenEuler kernel on Linux file system modules, allowing for forced integer overflow. This issue affects the OpenEuler kernel, starting from version 4.19.90, up to and including version 4.19.90-2401.3, as well as versions 5.10.0-60.18....

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i2c: core: Fixed the double-free of fwnode in i2cunregisterdevice. Before committing the change df6d7277e552 “i2c: core: Do not dereference fwnode in struct device”, i2cunregisterdevice only called fwnodehandleput on ofnode-s by...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: Rejects attempts to consume or refresh inactive gfntopfncache. kvmgpccheck and kvmgpcrefresh are rejected if the cache is inactive. Not checking the active flag during refresh is particularly problematic, as KVM may end u...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: blk-mq: Ensure that the active queue usage is retained for biointegrityprep. The function blkintegrityunregister may be called if the queue usage counter is not retained for a bio with integrity prepared. This could lead to a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: ocelot: The function dsatag8021qunregister is called under rtnllock when removing a driver. When the currently used tagging protocol is “ocelot-8021q”, and we unbind the driver, we encounter this error: bash $ echo...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: The issue of information leakage in f2fsmoveInlinedirents has been fixed. When converting an inline directory to a regular one, f2fs leaks uninitialized memory to the disk because it does not initialize the entire directory...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nfsd: Fixed a memory leak in the error handling process. If the memdupuser call fails, the memory allocated in a previous call a few lines above should be freed. Otherwise, a memory leak will occur...

Astra Linux – Vulnerability in Linux 5.10

A flaw was discovered in the Linux kernel. The existing KVM SEV API contains a vulnerability that allows a non-root host user-level application to crash the host kernel by creating a confidential guest VM instance in an AMD CPU that supports Secure Encrypted Virtualization SEV...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: pidff: Fix for the condition effect bit clearing issue As reported by MPDarkGuy on Discord, NULL pointer dereferencing occurred because not all conditional effect bits were cleared. Properly clear all conditional effect bits...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: The refcount leak in offlashprobeversatile has been fixed. The function offindmatchingnodeandmatch returns a node pointer with a refcount incremented. We should use ofnodeput on this pointer when it is no longer needed...

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: media: tc358743 – The v4l2 async device is registered only after a successful setup. Ensure that the device has been set up correctly before registering the v4l2 async device, thereby allowing userspace to access it...

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: dosysnametohandle: kzalloc was used to fix a kernel-infoleak vulnerability. The syzbot identified a kernel information leak vulnerability in dosysnametohandle. A report was issued regarding this issue 1. 1 “BUG: KMSAN:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Open-coded GGTT MMIO access protection. GGTT MMIO access is currently protected by hotplug drmdeventer, which works correctly when the driver loads successfully and is later unbound or unloaded. However, if the driver loa...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a use-after-free caused by l2capreassemblesdu. Fixed a race condition between the following two processes that run parallelly: 1. l2capreassemblesdu - chan-ops-recv l2capsockrecvcb - sockqueuercvskb. 2...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1, Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: TLS: Fixed a race condition between the async notify and socket close operations. The thread that submitted the request the one that called recvmsg/sendmsg may exit as soon as the async crypto handler’s complete function is...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drivers/base/node.c: fixed the issue of the compaction sysfs file leaking. The compaction sysfs file is created using compactionregisternode in registernode. However, we forgot to remove it in unregisternode. As a result, the...

Astra Linux – Vulnerability in Linux, Linux 5.10

An improper update of the reference count vulnerability in the net/sched component of the Linux kernel allows a local attacker to escalate privileges to root. This issue affects Linux Kernel versions prior to 5.18, as well as version 4.14 and later versions...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: connac: Do not check WED status for non-MMIO devices WED is only supported for MMIO devices. Therefore, do not check it for USB or SDIO devices. This patch fixes the crash reported below: 21.946627 wlp0s3u1i3:...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Media: USB: go7007: s2250-board: fixed a leak in the probe function. Called i2cunregisterdeviceaudio with this error path...