Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fixed a data race between perfeventsetoutput and perfmmapclose. Yang Jihing reported a race between perfeventsetoutput and perfmmapclose: CPU1 CPU2 perfmmapclosee2 if atomicdecandtest&e2-rb-mmapcount // 1 - 0 detachres...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: consolidate suboption status MPTCP maintains the received sub-options status as a bitmask carrying the received sub-options, with additional information carried in several bitfields for each suboption. Zeroing the bitma...

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

In the Linux kernel, the following vulnerability has been resolved: rtnetlink: Correct nested IFLAVFVLANLIST attribute validation. Each attribute within a nested IFLAVFVLANLIST is assumed to be a struct iflavfvlaninfo. Therefore, the size of such an attribute must be at least sizeofstruct...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fixed a UAF Use-After-Free exception during logout when accessing the shostipaddress attribute. Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shostipaddress...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/bridge: megachips: Fixed a null pointer dereference bug When removing the module, the following warnings will be displayed: 31.911505 i2c-core: Driver stdp2690-ge-b850v3-fw Unregistered 31.912484 General protection fault;...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: x86/hyperv: Fixed a NULL dereferencing in sethvtscchangecb if the Hyper-V setup fails. Checked for a valid hvvpindex array before dereferencing hvvpindex when setting Hyper-V’s TSC change callback. If Hyper-V setup fails in...

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

In the Linux kernel, the following vulnerability has been resolved: dm flakey: Do not corrupt the zero page. When we need to zero a certain range on a block device, the function blkdevissuezeropages submits a write request with the bio vector pointing to the zero page. If we use the dm-flakey...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: lib/testhmm.c: Handling of failures in allocating srcpfns and dstpfns The kcalloc function used in dmirrordeviceevictchunk will return null if the physical memory runs out. As a result, if srcpfns or dstpfns is dereferenced, a...

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: crypto: lib/mpi – avoid null pointer dereference in mpicmpui During NVMeTCP authentication, a controller can trigger a kernel oops by specifying the 8192-bit Diffie Hellman group and passing a correctly sized, but zeroed Diffie...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: PCI: pciehp: Fixed an infinite loop in the IRQ handler upon a power fault. The Power Fault Detected bit in the Slot Status register differs from all other hot-plug events in that it is sticky: It can only be cleared after...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: platform: exynos4-is: Added a hardware sync wait to fimcishwchangemode In fimcishwchangemode, the function changes camera modes without waiting for hardware completion. This can lead to corrupted data or a system hanging i...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mtdchar: Fixed integer overflow in read/write ioctls. The req.start and req.len variables are u64 values that originate from the user at the beginning of the function. We mask the high 32 bits of req.len, ensuring that its value ...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/i8259: The legacy PIC interrupts have been marked with IRQLEVEL. Baoquan reported that after triggering a crash, the subsequent boot process fails about half of the time. This occurs due to a NULL pointer dereference in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Firmware: csdsp: Validate the payload length before processing the block. The check for the payload length not exceeding the remaining bytes in the firmware file buffer was performed near the end of the loop iteration. However...

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: vfio/pci: Disabled the automatic enable of exclusive INTx/IRQs. Currently, for devices that require masking at the irqchip for INTx, i.e., devices without DisINTx support, the IRQ is enabled in the requestirq function, and then...

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

In the Linux kernel, the following vulnerability has been resolved: greybus: lights: check return of getchannelfrommode If the channel for the given node is not found, we return null from getchannelfrommode. Make sure we validate the return pointer before using it in two of the missing places. Th...

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: usb: renesasusbhs: Fixed synchronous external abort when unbind is executed. A synchronous external abort occurs on the Renesas RZ/G3S SoC if unbind is executed after the configuration sequence described above: bash modprobe...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring/net: The overflow check in iorecvmsgmshotprep has been fixed. The controllen variable is of type sizet unsigned long. Casting it to int could lead to an integer underflow. The checkaddoverflow function considers the type ...

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

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad7091r: Allow users to configure device events AD7091R-5 devices are supported by the ad7091r-5 driver, along with the ad7091r-base driver. These drivers declare iio events to notify user space when ADC readings fall...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: rose: include node references in roseneigh refcount The current implementation maintains two separate reference counting mechanisms: the count field in the struct roseneigh structure tracks references from rosenode structure...