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

In the Linux kernel, the following vulnerability has been resolved: BPF: Do not allow BPF test infra to emit invalid GSO types to the stack. Yinhao et al. reported that their fuzzer tool was able to trigger the skbwarnbadoffload function from netifskbfeatures - gsofeaturescheck. When a BPF progra...

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 vulnerability has been resolved: ax25: Fixed the reference count leak issue of the netdevice object. There is a reference count leak issue with the object netdevice in the function ax25devdevicedown. When the ax25 device is being shut down, the ax25devdevicedown...

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

In the Linux kernel, the following vulnerabilities have been resolved: nbd: defer config put in recvwork There is one UAF issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: - nbdgenlconnect // confref=2 connect and recvwork A - nbdopen // confref=3 - recvwork A completed //...

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: can: j1939: make j1939sessionactivate fail if the device is no longer registered. syzbot still reports that unregisternetdevice: waiting for vcan0 to become free. Usage count = 2. Even after commit 93a27b5891b8 “can: j1939: add...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: dma-crossbar: fix device leak on am335x route allocation Be sure to drop the reference taken when looking up the crossbar platform device during am335x route allocation...

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: bus: fsl-mc: fix double-free on mcdev The committed code attempted to simplify the process of deallocations, but this led to a double-free on the mcdev variable. If the MC device is a DPRC, a new mcbus is allocated, and the mcdev...

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: media: cx231xx: set devicecaps for 417. The videodevice for the MPEG encoder did not set devicecaps. This issue needs to be addressed; otherwise, the videodevice cannot be registered a WARNON message will be generated. This issue...

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: platform/chrome: crosecishtp: Fixed a UAF issue after unbinding the driver. After unbinding the driver, another kthread named crosecconsolelogwork still accesses the device, resulting in a UAF and system crash. The driver does no...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: power: supply: sbs-battery: Fixed use-after-free in powersupplychanged Using the devm variant for requesting IRQs before the devm variant for allocating/registering the powersupply handle means that the powersupply handle will be...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: NFC: nci: uart: Set tty-discdata only in success path Setting tty-discdata before opening the NCI device means we need to clean it up on error paths. This also opens a short window if the device starts sending data, even before...

Astra Linux - vulnerability in linux

A out-of-bounds OOB memory write flaw was found in listdevices within the Multi-device driver module in the Linux kernel prior to version 5.12. A failure in boundary checks enables an attacker possessing special user CAPSYSADMIN privileges to access out-of-bounds memory, potentially resulting in ...

Astra Linux – vulnerability in linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Fix reference leak in tegradsigangedprobe The reference taken by ‘offinddevicebynode’ must be released when it is no longer needed. Adding a call to putdevice fixes this issue...

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

In the Linux kernel, the following vulnerabilities have been resolved: gpio: aggregator: Protect driver attr handlers against module unload Both newdevicestore and deletedevicestore interact with module global resources e.g., gpioaggregatorlock. To prevent race conditions during module unloading,...

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: ts2020: Fix for nullptrderef in ts2020probe KASAN reported a nullptrderef issue when executing the following command: bash echo ts2020 0x20 /sys/bus/i2c/devices/i2c-0/newdevice KASAN: Nullptrderef in range...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Handle errors from amdgpucgscreatedevice in amdpowerplaycreate. Add error handling to propagate the failures of amdgpucgscreatedevice to the caller. When amdgpucgscreatedevice fails, release hwmgr and return -ENOMEM t...

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: vlan: do not propagate flags on open With the device instance lock, there is now a possibility of a deadlock: 1.211455=========================================== 1.211571WARNING: possible recursive locking detected...

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: Wifi: brcmfmac: A NULL pointer dereference occurred in the brcmftxfinalize function. When the device is removed or the kernel module is unloaded, a potential NULL pointer dereference may occur. The following sequence leads to the...

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 opensc

A vulnerability was found in OpenSC, OpenSC tools, the PKCS11 module, minidriver, and CTK. An attacker could use a specially crafted USB device or smart card, which would send a system a response APDU that was specifically crafted. The following issues arose due to insufficient control over the...