Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Skip Recompute DSC Params if no Stream on Link Why A NULL pointer dereference occurred during MST and DSC setup. BUG: NULL pointer dereference in the kernel, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 1...

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: AppArmor: The recursive approach used for removing profiles has been replaced with an iterative one. The profile removal code uses recursion when removing nested profiles, which can lead to exhaustion of the kernel’s stack and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix tcpinittransfer so that icskcainitialized is not reset. This commit fixes a bug identified by syzkaller that could cause spurious double-initializations for congestion control modules. This could lead to memory leaks or...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RISCV: Kernel mappings of the EFI page table must be synchronized before switching to the EFI page table. The EFI page table is initially created as a copy of the kernel page table. When VMAPSTACK is enabled, kernel stacks are...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: added a missing check for inode numbers on directory entries. Syzbot reported that mounting and unmounting a specific pattern of corrupted nilfs2 filesystem images causes a use-after-free of metadata file inodes, which...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where the extent map was used after free, when adding pages to compressed Bio data structures. In the function addrabiopages, we access the extent map to calculate ‘addsize’. After dropping the reference to...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: Memory issue: fslifc – fixed the leak of private memory during probe failures. During probe errors, the driver should release the memory allocated for private structures. This issue was fixed by using resource-managed allocation...

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: fbdev/ep93xx-fb: Do not assign to struct fbinfo.dev. Do not assign the Linux device to struct fbinfo.dev. The call to registerframebuffer initializes the field to the fbdev device; drivers should not override this value. Fixed a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: The issue of task hanging when the signal interrupt nbdstartdeviceioctl occurs has been fixed. The following program is a simplified version of the reproducer function: c int mainvoid int sv2, fd; if socketpairAFUNIX,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: coresight: Properly clear the connection field. The coresight devices track their connections output connections and hold a reference to the fwnode. When a device goes away, we iterate through the devices on the coresight bus and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Initialize sccindex in unixaddedge. Quang Le reported that the AFUNIX GC could garbage-collect a receive queue of an alive in-flight socket, with a detailed repro. The repro consists of three stages. 1 Create a single...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: Do not unpoison hugezerofolio. When I conducted memory failure tests recently, the following panic occurred: Kernel bug at include/linux/mm.h:1135! Invalid opcode: 0000 1 PREEMPT SMP NOPTI CPU: 9 PID: 137 Comm:...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Check msgid before processing a transaction. WHY & HOW “HDCPMESSAGEIDINVALID -1” is not a valid msgid, nor is it a valid array index. Therefore, it needs to be checked before being used. This fix addresses 4...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘hwmon: ibmpex fix use-after-free in high/low store’” This change is reflected in commit 6946c726c3f4c36f0f049e6f97e88c510b15f65d. Jean Delvare points out that the patch does not completely fix the reported problem...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/zip – fixed a mismatch in operations on the sglsgenr variable. KASAN reported this bug as follows: 17619.659757 BUG: KASAN: Global-out-of-bounds condition in paramgetint+0x34/0x60. 17619.673193 A size 4 read was...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: Fixed the double-free issue with interrupt buffer allocation. In lan78xxprobe, the buffer buf was freed twice: once implicitly through usbfreeurbdev-urbintr with the URBFREEBUFFER flag, and again explicitly...

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: usbtv: Locked resolution during streaming When a program is streaming e.g., ffplay and another program changes the TV standard from NTSC to PAL, the kernel crashes due to attempting to access unmapped memory. Changing from...

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

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Use pmruntimeresumeandget to prevent refcnt leak In arizonaclk32kenable, we should use pmruntimeresumeandget. pmruntimegetsync will increase the refcnt even when it returns an error...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: ISO: Fixed UAF in isosocktimeout The conn-sk might have been unlinked/freed while waiting for isoconnlock. Therefore, this check determines whether conn-sk is still valid by verifying that it is part of isosklist...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sysctl: Fixed data races in procdou8vecminmax. A sysctl variable is accessed concurrently, and there is always a chance of data races occurring. Therefore, both readers and writers require some basic protection to avoid load/stor...