Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: core – Ensure that the LLD module reference count is set after the SCSI device is released. The SCSI host release is triggered when the SCSI device is freed. We must ensure that the low-level device driver module is not...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: phy: ralink: mt7621-pci: add sentinel to quirks table By fixing socdevattr to register the SOC as a device, the kernel will encounter an OOPs error in socdevicematchattr. This quirks test was introduced in the staging driver in t...

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

A buffer overflow vulnerability was discovered in the Linux kernel’s Broadcom Full MAC Wi-Fi driver. This issue occurs when a user connects to a malicious USB device. It can allow a local user to crash the system or escalate their privileges...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Input: iforce – invert the valid length check when fetching device IDs. syzbot is reporting an uninitialized value at iforceinitdevice 1. The commit 6ac0aec6b0a6 “Input: iforce – allow callers to supply a data buffer when fetchin...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: vduse: Fixed NULL pointer dereferencing during sysfs access. The control device does not have a drvdata. Therefore, we will encounter a NULL pointer dereference when accessing the msgtimeout attribute of the control device via...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: rt2x00: Fixed memory leak when handling survey data When removing a rt2x00 device, the associated channel surveys are not freed, resulting in a memory leak that can be observed using kmemleak. The affected object is:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/dp: populate the connector of the struct dppanel structure. In the DP CTS test case 4.2.2.6, the edid has a valid checksum, but the checksum is intentionally incorrect. It is expected that the DP source returns a corre...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: spi: Fixed the simplification of devmspiregistercontroller. This was reverted through commit 59ebbe40fb51 “spi: simplified devmspiregistercontroller”. If devmaddaction fails in devmaddactionorreset, devmspiunregister will be...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: riscv: fixed the reserved memory setup Currently, RISC-V sets up reserved memory using the “early” copy of the device tree. As a result, when trying to access a reserved memory region using ofreservedmemlookup, the pointer to the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: macsec: Fixed the UAF bug related to realdev. A new macsec device was created, but there was no reference to realdev. This does not ensure that realdev is freed after the macsec device is removed. This will trigger the UAF bug...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: MIPS: SGI-IP27: Fixed a platform-device leak in bridgeplatformcreate. In the error case when calling bridgeplatformcreate after calling platformdeviceadd/platformdeviceadddata/platformdeviceaddresources, release the failed ‘pdev’...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: md: Do not set mddev’s private field to NULL in raid0 with pers-free. In a normal stop process, the following sequence of operations occurs: domdstop | mdstop pers-free; mddev-private = NULL | mdfree free mddev The mdstop functio...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Driver core: Fixed a deadlock in deviceattach. In the deviceattach function, the lock-holding logic is as follows: … deviceattach devicelockdev // Get the lock for dev asyncscheduledevdeviceattachasynchelper, dev; // Function cal...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix for the race between nbdallocconfig and module removal When the nbd module is being removed, nbdallocconfig may be called concurrently by nbdgenlconnect. Although trymoduleget will return false, nbdallocconfig does not...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QXL display device emulation in QEMU. The double retrieval of the guest-controlled values cursor-header.width and cursor-header.height can lead to the allocation of a small cursor object, followed by a subsequent heap-based buffer overflow. A malicious privileged gues...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Net: qcom/emac: fixed a UAF Use-after-Free issue in emacremove. “adpt” is netdev private data, and it cannot be used after the freenetdev call. Using “adpt” after freenetdev can cause a UAF bug. This issue was fixed by moving the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: Ensure that we call ipv6mcdown at most once. There are two reasons why addrconfnotify is called with NETDEVDOWN: Either the network device is actually going down, or IPv6 was disabled on the interface. If either of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Memory: renesas-rpc-if – fixed the platform-device leak in the error path. Make sure the flash platform device is freed if registration fails during the probe...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: stmmac: fixed the altrtsepcs function when using a fixed-link. When using a fixed-link, the altrtsepcs driver crashes due to a null-pointer dereference, as no phydevice is provided to the tsepcsfixmacspeed function...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mlxsw: Thermal: Fix out-of-bounds memory accesses Currently, mlxsw allows cooling states to be set above the maximum cooling state supported by the driver: bash cat /sys/class/thermal/thermalzone2/cdev0/type mlxswfan cat...