Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bonding: Restore the IFFSLAVE flag of the bond if a non-Ethernet device is used as a slave during a bonding process fails. A warning was reported by syzbot1. In this case, the bonding device itself is a slave, and we attempt to u...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: vfio: Split migration operations from main device operations The vfio core checks whether the driver sets certain migration operations e.g., setstate/getstate, and accordingly calls those operations. However, currently, the ml...

Astra Linux – Vulnerability found in Linux 5.10, 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, the bdiunregister function is called to stop further writeback operations and wait for the associated delayed tasks to complete. However, wb...

Astra Linux – Vulnerability in libvirt

A vulnerability was discovered in libvirt. This security flaw occurs due to repeated queries of the capabilities of an SR-IOV PCI device, which leads to a memory leak caused by failure to free the virPCIVirtualFunction array within the parent struct’s gautoptr cleanup...

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

A NULL pointer dereference vulnerability was discovered in the vmwgfx driver, located in the file vmwgfxexecbuf.c within the GPU component of the Linux kernel. The vulnerability affects device files such as '/dev/dri/renderD128' or 'Dxxx'. This flaw allows a local attacker with a user account on...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: core: fix memleak in iiodeviceregistersysfs When iiodeviceregistersysfsgroup fails, we should free iiodevopaque-chanattrgroup.attrs to prevent potential memleak...

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

In the Linux kernel, the following vulnerability has been resolved: In the dmstats function, check for and propagate the allocpercpu failure. Check the return value of allocprecpu, and return an error from dmstatsinit if it fails. Update allocdev to fail if dmstatsinit does so. Otherwise, a NULL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “wifi: mac80211: fix memory leak in ieee80211ifadd” This resolution involves committing change 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293. The function ieee80211iffree is already called from freenetdevndev, because...

Astra Linux – Vulnerability in Linux 5.10

A use-after-free flaw was discovered in the addpartition function in the block/partitions/core.c file within the Linux kernel. A local attacker with user privileges could cause a denial of service on the system. The issue arises due to the lack of code cleanup when the deviceadd function fails...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: The function genlunregisterfamily is called first in nbdcleanup. Otherwise, there may be a race between the removal of the module and the handling of the netlink command, which can lead to an oops as shown below: BUG: Kernel...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: bus: fsl-mc: Do not assume that child devices are all fsl-mc devices Changes in VFIO caused a pseudo-device to be created as a child of fsl-mc devices, resulting in a crash when attempting to bind a fsl-mc device to VFIO. This...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mac802154: fixed the missing INITLISTHEAD in ieee802154ifadd. The kernel fault injection test reports a NULL pointer dereference as follows: BUG: NULL pointer dereferencing in the kernel; address: 0000000000000008 RIP:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed a possible memory leak in bnxtrdmaauxdeviceinit. If ulp = kzalloc fails, the allocated edev will leak because it is not properly assigned, and the cleanup mechanism will not be able to free it. This issue was fixed ...

Astra Linux – Vulnerability in Linux

In the file drivers/pci/hotplug/rpadlpar/sysfs.c within the Linux kernel up to version 5.11.8, the RPA PCI Hotplug driver suffers a user-tolerable buffer overflow when writing a new device name to the driver from user space. This allows user space to write data directly to the kernel stack frame...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: dwmac-tegra: Reading the IOMMU Stream ID from the device tree Nvidia’s Tegra MGBE controllers require the IOMMU “Stream ID” SID to be written to the MGBEWRAPAXIASID0CTRL register. The current driver is hardcoded to u...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - For the spi: amlogic: spifc-a4 component, there is a issue where the ECC engine is not registered properly in case of probe failures, and the remove callback is not executed. - The amlsfcprobe function registers the on-host...

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: rc: fix races with imondisconnect Syzbot reports a KASAN issue as follows: BUG: KASAN: use-after-free in createpipe include/linux/usb.h:1945 inline BUG: KASAN: use-after-free in sendpacket+0xa2d/0xbc0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fixed a memory leak when CONFIGDEBUGOBJECTS=y is enabled. After a pcidoetask completes, its workstruct needs to be destroyed to avoid a memory leak when CONFIGDEBUGOBJECTS=y is set...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: rtw88 – Fix for device leaks upon probe failures. The driver core holds a reference to the USB interface and its parent USB device while the interface is bound to the driver. There is no need to hold additional reference...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ICE: Fixed NULL pointer dereferencing in iceunplugauxdev when resetting. Issuing a reset command while the driver is loaded without RDMA support will result in a crash, as the function attempts to remove a nonexistent auxbus...