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: nfc: Fixed a deadlock between nfcunregisterdevice and rfkillfopwrite. A deadlock can occur between nfcunregisterdevice and rfkillfopwrite due to the inverted lock order between devicelock and rfkillglobalmutex. The problemat...

Astra Linux – Vulnerability in bluez

BlueZ Phone Book Access Profile Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ. User interaction is required to exploit this vulnerability, as the target must connect...

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

In the Linux kernel, the following vulnerability has been resolved: mtd: Fixed a NULL pointer dereferencing issue caused by the ftl notifier. If both ftl.ko and gluebi.ko are loaded, the ftl notifier triggers a NULL pointer dereferencing when attempting to access ‘gluebi-desc’ in gluebiread. In t...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: A possible name leak in ocxlfileregisterafu has been fixed. If deviceregister returns an error in ocxlfileregisterafu, the name allocated by devsetname needs to be freed. As commented in deviceregister, it should use...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: ov2740: Fixed a memory leak in ov2740initcontrols There is a memory leak when testing the media/i2c/ov2740.c file using bpf mock. Unreferenced object: 0xffff8881090e19e0 size 16: Command “51-i2c-ov2740”, PID 278, jiffies...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid: fixed a potential buffer overflow in i2chidgetreport i2chidxfer is used to read recvlen + sizeofle16 bytes of data into ihid-rawbuf. The former can originate from the user space of the hidraw driver and is bounded b...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: PNP: Fixed a name memory leak in pnpallocdev. After committing change 1fa5ae857bb1 “Driver core: get rid of struct device’s busid string array”, the name of the device is allocated dynamically. devsetname was moved after pnpaddid...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/gvt: fixed the issue where gvt debugfs destruction occurred unexpectedly. When gvt debugfs is destroyed, it is necessary to perform a check to ensure that the DRM minor’s debugfs root is still available. Otherwise, in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dm rq: Do not queue the request to blk-mq during DM suspension. DM uses blk-mq's quiesce/unquiesce to stop/start the device mapper queue. However, blk-mq's unquiesce may be triggered by external events, such as changes in the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ALSA: ymfpci: Created a card with the device-managed snddevmcardnew function. The sndcardymfpciremove function was removed in commit c6e6bb5eab74 “ALSA: ymfpci: Allocating resources using device-managed APIs”, but the call to...

Astra Linux – Vulnerability in GhostScript

Artifex Ghostscript version 10.05.1 has a stack-based buffer overflow issue in the pdfwritecmap function, located in the device/vector/gdevpdtw.c file...

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

In the Linux kernel, the following vulnerability has been resolved: ubi: A possible null-ptr-deref occurred in ubifreevolume. This issue will occur in the following scenario: uifinit ubiaddvolume cdevadd – If this function fails, it will call killvolumes. deviceregister killvolumes – If...

Astra Linux – Vulnerability in Linux 5.10

A use-after-free flaw was discovered in the addpartition function in the block/partitions/core.c file within the Linux kernel. A local attacker with user privileges could cause a denial of service on the system. The issue arises due to the lack of code cleanup when the deviceadd function fails...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: SOF: Intel: Fixed NULL pointer dereferencing when ENOMEM occurs. Do not call snddmafreepages when snddmaallocpages returns -ENOMEM, as this can lead to a NULL pointer dereferencing bug. The dmesg indicates the following:...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in ncirequest in net/nfc/nci/core.c within the NFC Controller Interface NCI in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race issue while the device is being removed, leading to a privilege escalation...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: added flushworkqueue to prevent UAF. Our detector identified a bug caused by concurrent use-after-free when detaching a NCI device. The main reason for this bug is the unexpected scheduling between the delayed mechanism...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: dsa: Fixed a panic that occurred when the DSA master device unbinds during shutdown. Rafael reported that on a system with LX2160A and Marvell DSA switches, if a reboot occurs while the DSA master dpaa2-eth is active, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: Do not use devres for mdiobus As explained in the commits: 74b6d7d13307 “net: dsa: realtek: Register the MDIO bus under devres” 5135e96a3dd2 “net: dsa: Do not allocate the slavemiibus using devres” The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: thermal/core: A memory leak was fixed in thermalcoolingdeviceregister. I encountered a memory leak during the fault injection test. The unreferenced object is: 0xffff888010080000 size: 264312. The details of the memory leak are a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/MCE/AMD: Fixed a memory leak when thresholdcreatebank fails. In mcethresholdcreatedevice, if thresholdcreatebank fails, the previously allocated thresholdbanks array @bp will be leaked, because the call to...