Astra Linux – Vulnerability in Linux

A use-after-free occurred in the function hcisockboundioctl of the Linux kernel’s HCI subsystem. This issue arises when the user calls ioct HCIUNBLOCKADDR, or when the call to hciunregisterdev triggers a race condition, along with the calls hcisockblacklistadd, hcisockblacklistdel, hcigetconninfo...

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 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: ucsi: Fixed a NULL pointer dereferencing in ucsiconnectorchange. When ucsiinit fails, ucsi-connector is NULL. However, in the case of ucsiacpi, we may still receive events that cause the ucsacpi code to call...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: gso: Fixed a panic that occurred when using a fraglist with mixed head allocation types. Since the commit 3dcbdb134f32 “net: gso: Fixed an error in skbsegment when splitting a gsosize mangled skb having linear-headed...

Astra Linux – Vulnerability in Parsec

The vulnerability of the psaud utility within the PARSEC security subsystem is related to improper memory release after its use. Exploiting this vulnerability allows an attacker to cause a service failure...

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 comedi module has a race condition between polling and detaching the device. The syzbot report indicates a use-after-free in the comedi module. This occurs because comedi happily removes the allocated async area, even when po...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Added a missing check for allocorderedworkqueue. Added a check on the return value of allocorderedworkqueue, as it may return a NULL pointer, leading to a NULL pointer dereferencing issue. Patchwork:...

Astra Linux – Vulnerability in Parsec

The vulnerability of the parsecmdlin function in the PARSEC security subsystem is related to improper memory release after its use. Exploiting this vulnerability allows an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 5.10

Due to a vulnerability in the iouring subsystem, it is possible for kernel memory information to be leaked to the user process. timensinstall calls currentissinglethreaded to determine whether the current process is single-threaded. However, this call does not take into account iouring’s ioworker...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix for the shutdown order Ira reports that removing the cxlmockmem causes a crash with the following error message: BUG: Kernel NULL pointer dereference, address: 0000000000000044 .. RIP: 0010:...

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: atm: clip: Fixed an infinite recursive call of clippush. syzbot reported the issue below. 0 This occurs when we call ioctlATMARPMKIP more than once. During the first call, clipmkip sets clippush to vcc-push; the second call copie...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fixed a use-after-free in pm8001queuecommand The commit e29c47fe8946 “scsi: pm8001: Simplified pm8001taskexec” includes refactoring efforts for pm8001queuecommand. However, this refactoring introduced a potential...

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

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix use after free on context disconnection Upon module loading, a kthread is created that targets the pvr2contextthreadfunc function. This function may call pvr2contextdestroy, thereby calling kfree on the contex...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: emu10k1: Fixed an out-of-bounds access in sndemu10k1pcmchannelalloc The voice allocator sometimes begins allocating from near the end of the array, and then wraps around. However, the sndemu10k1pcmchannelalloc function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cfg80211: Fixing management registration locking issues The issue with management registration locking was fixed. The list was locked for each wdev, but the cfg80211mgmtregistrationsupdate function iterated over it without holdin...

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

In the Linux kernel, the following vulnerability has been resolved: ubi: Fixed the UAF Use-After-Free issue in the wear-leveling entry of eraseblkcountseqshow. The wear-leveling entry could be freed during an error-prone path, and this entry might be accessed again in eraseblkcountseqshow, for...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Added parameter validation for packet data. Syzbot reported a bug involving uninitialized values in nciinitreq. This bug was introduced through the commit 5aca7966d2a7 “Merge tag...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mtd: Fixed a device name leak when registering a device in addmtddevice. There is a kmemleak when registering a device fails: Unreferenced object 0xffff888101aab550 size 8: Command "insmod", PID 3922, jiffies 4295277753 age...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: pxa: fixed a null-pointer dereference in filter The kasprintf function would return a NULL pointer when kmalloc fails to allocate memory. It is necessary to check the return pointer before calling strcmp...