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

A race condition flaw was discovered in the Linux kernel sound subsystem due to improper locking mechanisms. This could lead to a NULL pointer derefrence during the handling of the SNDCTLDSPSYNC ioctl command. A privileged local user such as root or a member of the audio group could exploit this...

Astra Linux – Vulnerability in Parsec

The vulnerability of the pdp-ls utility 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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisysfs: Fixed an issue where the function deviceadd was called multiple times. The function deviceadd should not be called multiple times, as stated in its documentation: “Do not call this routine or deviceregister...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: pci: tw68: Fixed the nullptrderef bug in the buf prepare and finish steps. When the driver calls tw68riscbuffer to prepare the buffer, the function call dmaalloccoherent may fail, resulting in an empty buffer buf-cpu. Late...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a potential memory leak in DMUB hwinit Why When resuming, we perform DMUB hwinit, which allocates memory using dmresume-dmdmubhwinit-dcdmubsrvcreate-kzalloc. This results in a memory leak in suspend/resume...

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 5.15

In the Linux kernel, the following vulnerability has been resolved: The maximum minor value is set to blkallocextminor. The idaallocrange... min, max,... function returns values ranging from min to max, including both ends. Therefore, NREXTDEVT is a valid index returned by blkallocextminor. This ...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the Linux kernel. A use-after-free occurred in the way the console subsystem utilized ioctls KDGKBSENT and KDSKBSENT. A local user could exploit this flaw to gain access to memory beyond its intended scope. The most significant threat posed by this vulnerability is to dat...

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, sndemu10k1pcmchannelalloc accesses the newl...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: thermal/int340xthermal: handles datavault when the value is ZEROSIZEPTR. In some cases, GDDV returns a packet with a buffer of zero length. This causes kmemdup to return ZEROSIZEPTR 0x10. As a result, datavaultread encounters a...

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 in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store the vhost pointer during subcrq allocation Currently, the back pointer from a queue to the vhost adapter is not set until after the subcrq interrupt registration. This value becomes available when a queue is...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

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 – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “Revert “block, bfq: honor already-setup queue merges”” A crash occurred in conjunction with the commit 2d52c58b9c9b “block, bfq: honor already-setup queue merges”. This issue was later reverted by the commit ebc69e897e17 “Revert...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Media: PCI: cx23885: Fixed error handling in cx23885initdev When the driver fails to call dmasetmask, the driver will encounter the following error: 55.853884 BUG: KASAN: Use-after-free in processremoveddriver+0x3c/0x240 55.85448...

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 Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: ops: Rejecting out-of-bounds values in sndsocputvolsw We currently do not validate whether the values being set are within the range that we have advertised to userspace as valid. Instead, we reject any values that are out ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm: amd: display: Fix memory leakage This commit addresses the memory leakage issue in the dcconstructctx function...