Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Net: tun: Unlinking the NAPI from the device upon destruction. Syzbot identified a race condition between the tun file and the device destruction process. NAPIs reside in the structtunfile structure, and this structure may be...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: hwmon: In coretemp, a bug was fixed regarding the reference count leak of PCI devices in nv1aramnew. According to the comments on pcigetdomainbusandslot, it returns a PCI device whose reference count is incremented after use. The...

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, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: HID: logitech-hidpp: Fixed a kernel crash when the USB connection is disconnected. The function hidppconnectevent experiences four times-of-check versus-time-of-use TOCTOU races when it races with itself. hidppconnectevent...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A memory corruption flaw was discovered in the Linux kernel’s Human Interface Device HID subsystem, regarding the way a malicious USB device is inserted by a user. This flaw allows a local user to crash the system or potentially escalate their privileges on the system...

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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: fixed the lifetime of fhidg relative to cdev The embedded struct cdev does not correctly tie its lifetime to the surrounding struct fhidg. As a result, there may be a use-after-free if /dev/hidgN is kept open...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/meson: Explicitly remove the aggregate driver at module unload time. Since componentmasterdel was not called when unloading the mesondrm module, the aggregate device would remain in the global aggregatedevices list...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nullblk: fixed handling of poll request timeouts When performing the iouring benchmark on /dev/nullb0, it’s easy for the kernel to crash if poll requests time out, as reported by David. 1 BUG: Kernel NULL pointer dereferencing...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: A misbehavior occurred when listversions raced with module loading. listversions will first estimate the required space using the dmtargetiteratelistversiongetneeded, &needed call, and then fill the space using the...

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

In the Linux kernel, the following vulnerability has been resolved: misc: pciendpointtest: Free IRQs before removing the device. In the pciendpointtestremove function, freeing the IRQs after removing the device creates a small race window during the test process. This allows IRQs to be received b...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Input: i8042 – fixed the issue of leaking the platform device when the module was removed. Avoid resetting the i8042platformdevice pointer that is shared across modules in i8042probe or i8042remove. This ensures that the device c...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm mirror log: The bitsetsize is rounded up to BITSPERLONG. The code in dm-log rounds up bitsetsize to 32 bits. Then, it uses findnextzerobitle on the allocated region. findnextzerobitle accesses the bitmap using unsigned long...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: efct: Fixed a possible memory leak in efctdeviceinit. In efctdeviceinit, when efctscsiregfctransport fails, efctscsitgtdriverexit is not called to release memory used by efctscsitgtdriverinit, resulting in a memory leak:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mdio: Fixed an unbalanced fwnode reference count in mdiodevicerelease. There is a warning report regarding a refcount leak when probing the mdio device: OF: Error: Memory leak; the expected refcount was 1 instead of 2. The...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “IB/isert: Fix incorrect release of isert connection” The commit with ID 699826f4e30a “IB/isert: Fix incorrect release of isert connection” is causing problems when DEVICEREMOVAL occurs in OPA. ------------ Cut here ------------...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: leds: led-core: A reference count leak was fixed in ledget. The classfinddevicebyofnode function calls classfinddevice, which will hold a reference. The putdevice function is used to release the reference when no longer needed...

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 – Vulnerability in Linux

In the Linux kernel, from drivers/block/nbd.c up to version 5.10.12, there is a use-after-free in the nbdaddsocket function. This issue could be triggered by local attackers who have access to the nbd device. The attack occurs during I/O requests at a certain point in device setup, specifically...

Astra Linux – Vulnerability in beep

Beep version 1.3 and later contains a vulnerability in the External Control of File Name or Path feature within the --device option. This vulnerability allows local unprivileged users to inhibit the execution of arbitrary programs by other users, potentially leading to Denial-of-Service attacks...