Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fixed the issue where the workqueue was not released upon calling .release. The workqueue associated with a DSA/IAA device is not released when the object is freed...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a deadlock that occurred during netdev reset with active connections. This issue was addressed by preventing the deadlock that occurs when the netdev function is executed during a device reset while RDMA...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: flowdissector: The device type is checked before reading ETHADDRS. The function skbflowdissect reads 12 bytes from ethhdrskb whenever FLOWDISSECTORKEYETHADDRS is requested. This assumes that the skb has a valid Ethernet header at...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: Fixed a deadlock between mddevsuspend and flushbio. A deadlock occurs when mddev is suspended while some of the flushbio operations are still in progress. This is a complex issue. T1: The first flush occurs at the end of t...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fixed a crash that occurred during the transportportremove function, by using iocinfo. During this function, messages were logged via devprintk regarding &mpt3sasport-port-dev. At this point, the SAS transport devi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ax25: The refcount leak caused by setting the SOBINDTODEVICE socket option has been fixed. If an AX25 device is bound to a socket by setting the SOBINDTODEVICE socket option, a refcount leak will occur in ax25release. The commit...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mfd: qcom-spmi-pmic: Fix revid implementation The Qualcomm SPMI PMIC’s revid implementation is flawed in several ways. Firstly, it assumes that simply because a sibling base device has been registered, it is also bound to a drive...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: adc: adi-axi-adc: Fixed the refcount leak in adiaxiadcattachclient. The ofparsephandle function returns a node pointer with a refcount incremented. We should use ofnodeput on it when there is no longer a need for it. Add the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: adv7511: Unregistering the i2c device after unregistering the CEC adapter. The cecunregisteradapter function assumes that the underlying CEC adapter is callable. For example, if the CEC adapter currently has a valid...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Check the device memory pointer before using it. Add a NULL check before accessing device memory to prevent a crash if the dev-dm allocation in mlx5initonce fails...

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: appletalk: Fixed a device reference count leak in atrtrcreate. When updating an existing route entry in atrtrcreate, the old device reference was not released before assigning the new device. This led to a device reference...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Writeback: Avoid use-after-free after removing a device. When a disk is removed, bdiunregister is called to stop further writeback operations and wait for the associated delayed tasks to complete. However, wb inodewritebackend ma...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: Handling of integer overflows in kmallocreserve The committed change was as follows: c ptr = kmallocsize; if ptr size = ksizeptr; size = kmallocsizeroundupsize; ptr = kmallocsize; This caused various crashes, as reported ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Media: v4l: async: Fixed a NULL pointer dereferencing issue in the process of creating auxiliary links. In v4l2asynccreateancillarylinks, auxiliary links are created for lens and flash sub-devices. These are links between...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: device-dax: The pgoff alignment in daxsetmapping should use ALIGNDOWN instead of ALIGN. Otherwise, vmf-address, which is not aligned with faultsize, will be aligned to the next alignment, which can lead to memory failures due ...

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: dvbdev: The risk of out-of-memory access has been prevented. The dvbdev module contains a static variable used to store dvb minors. Its behavior depends on whether CONFIGDVBDYNAMICMINORS is set or not. When it is not set,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fixed the issue of null pointer dereference on the pointer edp. The pointer dev is initialized, and the edp is dereferenced before edp is checked for being null. This could lead to a null pointer dereference issue. This...

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: HID: core: zero-initialize the report buffer. Since the report buffer is used by various drivers in various ways, let’s initialize it to zero during allocation, so that it cannot ever be used to leak kernel memory through special...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fbcon: Set fbdisplayi-mode to NULL when the mode is released. Recently, we discovered the following issue through syzkaller: BUG: KASAN: Slab-use-after-free in fbmodeisequal+0x285/0x2f0 A read of size 4 at address ff11000001b3c69...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Cancel the mesh send timer when the hdev is removed The meshsenddone timer is not canceled when the hdev is removed, which can cause a crash if the timer triggers after the hdev is gone. Cancel the timer when...