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: ext4: Do not cache extents during splitting Caching extents during the splitting process is risky, as it may result in stale extents remaining in the status tree. Moreover, in most cases, the corresponding extent block entries ar...

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: iio: pressure: zpa2326: fix information leak in triggered buffer The “sample” local struct is used to push data to user space from a triggered buffer. However, there is a flaw in the structure, specifically between the temperatur...

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: xfrm: ESP: restoring the combined single-frag-length gate. The ESP fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. Currently, the head-side gate checks skb-datalen and tail...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: selinux: Rejecting an unclaimed class value in securitygetclasses securitygetclasses sizes an array using pclasses.nprim and fills it with the value -1. Therefore, a class value that is never defined by the policy will result in ...

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

In the Linux kernel, the following vulnerability has been resolved: gpio: rcar: Use rawspinlock to protect register access The rawspinlock is used to fix spurious messages about invalid context when spinlock debugging is enabled. The lock is only used to serialize register access. 4.239592...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: nl80211 – Set special AP channel widths to disallowed. Setting the AP channel width is intended for use with the standard 20/40/… MHz channel width progression. Switching between narrow channels in S1G mode is not supported...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SCTP: The initialization of additional fields in sctpv6fromsk was incorrect, leading to undefined behavior. SYZbot discovered that sin6scopeid was not properly initialized, causing undefined behavior. sin6scopeid and...

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: cdns3: Fixed deadlock issue when using the NCM gadget The cdns3 driver suffers from the same deadlock issue as fixed in cdnsp with the commit 58f2fcb3a845 „usb: cdnsp: Fixed deadlock issue during use of the NCM gadget”. Unde...

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

In the Linux kernel, the following vulnerability has been resolved: power: supply: bq27xxx-i2c: Do not free non-existent IRQs. The bq27xxx i2c-client may not have an IRQ; in such cases, client-irq will be 0. The bq27xxxbatteryi2cprobe function already includes a check for client-irq, which wraps...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the “block” layer, do not call “rqqosops-donebio” if the bio data structure is not being tracked. The “rqqos” framework is only applied on request-based drivers. Therefore: 1 The “rqqosdonebio” function is not necessary for...

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: netfilter: ebtables: module names must be null-terminated. We need to explicitly check the length; otherwise, we might pass a string with a non-null termination to requestmodule...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide that two queues are worth merging and set bic-stablemergebfqq and the moment bfqsetupmerge is called...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Validated EaNameLength in smb2getea The smb2getea function reads eareq-EaNameLength from the client request and passes it directly to strncmp as the comparison length. However, it does not verify that the length of the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs, fscache: This issue prevents Oops exceptions in fscacheputcache. This function dereferences the “cache” object, and then checks whether it is ISERRORNULL. It checks first, and then derefserences the object...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in aspeedlpcctrlmmap in drivers/soc/aspeed/aspeed-lpc-ctrl.c in the Linux kernel before version 5.14.6. Local attackers who had access to the Aspeed LPC control interface could overwrite memory in the kernel and potentially execute privileged operations, denoted as...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed a memory leak in the error path of hciallocdev. Early failures in Bluetooth HCI UART configuration lead to a leak of percpu memory through the SRCU struct initialized early in hciallocdev. When device...

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: x86/EFI: The deferral of freeing boot services memory The efifreebootservices function frees the memory occupied by EFIBOOTSERVICESCODE and EFIBOOTSERVICESDATA using memblockfreelate. There are two issues with this approach:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7915 – The reference to hif2 is only released in error cases where dev-hif2 is set, and this variable is not assigned until after the IRQ setup is completed. If pciallocirqvectors or the primary devmrequestirq fails...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: hns: Fixed a possible memory leak in hnaeaeregister. When a fault is injected while probing a module, if deviceregister fails, but the refcount of the kobject is not decreased to 0, the name allocated in devsetname may be...

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: Regulator: Core: Fixing the locking issue in regulatorresolvesupply error path If late enabling of a supply regulator fails in regulatorresolvesupply, the current code triggers a lockdep warning: WARNING:...