Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed a possible deadlock in rfcommskstatechange. syzbot reports a possible deadlock in rfcommskstatechange 1. While rfcommsockconnect acquires the sk lock and waits for the rfcomm lock, rfcommsockrelease might acquire...

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: Wifi: mt76: disabling NAPI during driver removal A warning regarding driver removal began to appear after the commit 9dd05df8403b „net: warn if NAPI instance wasn’t shut down”. The Tx NAPI should be disabled before deleting it in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: imx-sdma: Fixed a possible memory leak in sdmatransferinit If the function sdmaloadcontext fails, the sdmadesc will be freed, but the allocated desc-bd is forgotten to be freed as well. We have already encountered the...

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: rtnetlink: Allocate sufficient vfinfo size for VF GUIDs when supported. Commit 30aad41721e0 "net/core: Add support for getting VF GUIDs" added support for obtaining VF port and node GUIDs in netlink’s ifinfo messages. 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: PCI/ASPM: Fixed the issue where the link state was exited during the removal of an upstream function. Before version 456d8aa37d0f “PCI/ASPM: Disabled ASPM during the removal of an MFD function to avoid use-after-free”, we only...

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: RDMA/mlx5: Fixed the issue with the mlx5pollone function’s update of the curqp. When curqp is not NULL, in order to avoid fetching the QP from the radix tree again, we check if the next CQE QP is identical to the one we already...

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/mlx5: Errors are now handled in mlx5chainscreatetable. In mlx5chainscreatetable, the return values of mlx5getfdbsubns and mlx5getflownamespace must be checked to prevent NULL pointer dereferences. If either function fails, th...

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: HID: intel-ish-hid: A use-after-free issue was addressed in the ishtphidremove function. The system may experience a random crash a few minutes after the driver is removed. This issue arises due to improper handling of memory...

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: usb: atm: cxacru: fixed a flaw in existing endpoint checks Syzbot once again identified a flaw in USB endpoint checking. See 1. This time, the issue stems from a commit authored by me 2eabb655a968, “usb: atm: cxacru: fix endpoint...

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: drm/amd/display: Assign normalizedpixclk when color depth = 14 WHY & HOW A warning message “WARNING: CPU: 4 PID: 459 at …/dcresource.c:3397 calculatePhypixclks+0xef/0x100 amdgpu” occurs because the condition displaycolordepth ==...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fix for use-after-free in smb2lock. If smblock-zerolen has a value, the -llist of smblock is not deleted, and flock is an old version. This will cause a use-after-free during error handling routines...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Type confusion was fixed due to a race condition when using ipcmsgsendrequest. req-handle is allocated using ksmbdacquireid&ipcida, based on idaalloc. req-handle from ksmbdipcloginrequest and FSCTLPIPETRANSCEIVE ioctl can ...

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: HID: appleir: Fix potential NULL dereference at raw event handle Syzkaller reports a NULL pointer dereference issue in inputevent. BUG: KASAN: null-ptr-deref in instrumentatomicread include/linux/instrumented.h:68 inline BUG:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: fixed the UAF issue when iterating the allmddevs list While iterating the allmddevs list from mdnotifyreboot and mdexit, the listforeachentry Safe mechanism is used. This can lead to a race condition with deletint, causing...

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: The dummy regulator must be checked before being used. Due to asynchronous driver probing, there is a possibility that the dummy regulator may not have been checked when accessed for the first time...

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: PCI: Fixed a reference leak in pciregisterhostbridge. If deviceregister fails, call putdevice to release the reference, thereby avoiding a memory leak, according to the comment in deviceregister. Found during code review. bhelgaa...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: arm64: Do not call NULL in docompatalignmentfixup. doalignmentt32tohandler only fixes alignment faults for specific instructions; otherwise, it returns NULL e.g., for LDREX. When this occurs, a signal is sent to the caller...

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

In the Linux kernel, the following vulnerability has been resolved: bnxten: Avoid order-5 memory allocation for TPA data. The driver needs to keep track of all possible concurrent TPA GRO/LRO completions on the aggregation ring. On P5 chips, the maximum number of concurrent TPA is 256, and the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afunix: fixed the issue of struct pid leaks in OOB support. The issue arises from queueoob calling maybeaddcreds, which potentially holds a reference to a pid. However, the destructor of skb is not set either directly or by...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: s390 – Fixed a use-after-free of PCI resources when per-function hot-plugging occurs. On the s390 architecture, PCI functions may be hot-plugged individually, even when they belong to a multi-functional device. Specifically,...