Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: Fixed NULL pointer dereferencing in smcvlanbytcpsk. Coverity reports a possible NULL dereferencing issue: - In smcvlanbytcpsk: - 6. returnednull: netdevlowergetnext returns NULL checked 29 out of 30 times. - 7...

Astra Linux – Vulnerability in Linux

A flaw involving double-free memory corruption in the Linux kernel’s HCI device initialization subsystem was discovered. This flaw allows a malicious HCI TTY Bluetooth device to be attached to the system. A local user could exploit this flaw to crash the system. This flaw affects all Linux kernel...

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

In the Linux kernel, the following vulnerability has been resolved: net: phy: Fix for accessing an empty array when the phygetinternaldelay function is called, provided that the driver calls phygetinternaldelay without defining delayvalues, and rx-internal-delay-ps or tx-internal-delay-ps is...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: media: dvbdev: Fixed a memory leak in dvbMediaDeviceFree. The function dvbMediaDeviceFree leaks memory. It is necessary to free the dvbdev-adapter-conn object before setting it to NULL, as documented in...

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: WireGuard: netlink: Access the device through ctx instead of peer. The previous commit fixed a bug that resulted in a NULL peer-device being dereferenced. In terms of performance, it is actually easier and faster to obtain the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: mt7621: Added a sentinel to the quirks table. The current driver lacks a sentinel in the struct socdeviceattribute array, which causes a buffer overflow error when the socdevicematchmt7621pciequirksmatch function is called...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: pxa27xudc: fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must be processed by calling dput; otherwise, a memory leak will occur over time. To simplify things, simp...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ocxl: The issue of a reference count leak for PCI devices occurred when calling getfunction0. getfunction0 calls pcigetdomainbusandslot. As commented, this function returns a PCI device with a reference count increase. Therefore,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fix to correctly check the readonly condition. In the following case, it is possible to mount a multi-device image with the rw option. However, if one of the secondary devices is set as ro, subsequent updates will cause a...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: macb: fixed the use of “free” after calling “rmmod”. “platdev-dev-platformdata” is released by calling “platformdeviceunregister”. The use of “pclk” and “hclk” constitutes a use-after-free. Since “deviceunregister” does n...

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: WireGuard: netlink: Check for dangling peers via isdead instead of an empty list If all peers are removed using wgpeerremoveall, rather than setting peerlist to empty, the peer is added to a temporary list at the beginning of...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: block: Fixed an incorrect offset in biotruncate The biotruncate function clears the buffer outside of the last block of bdev. However, the current implementation of biotruncate uses the wrong offset for the page. As a result, it...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dlm: Fix for invalid read operations This patch addresses an invalid read operation shown by KASAN. When unlocking a resource, a structure called “struct plockop” is allocated. A subsequent sendop operation appends this structure...

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

In the Linux kernel, the following vulnerability has been resolved: NET: caif: Fixed a use-after-free in cfusbldevicenotify. syzbot reported a use-after-free in cfusbldevicenotify 1. This causes a stack trace like below: BUG: KASAN: Use-after-free in cfusbldevicenotify+0x7c9/0x870,...

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

In the Linux kernel, the following vulnerability has been resolved: USB: Roles – Fixed NULL pointer issue when referencing the module’s reference. In the current design, the USB role class driver will obtain a reference to the module of the usbroleswitch object after the user selects the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed an issue where the extent map was used after free, when handling a missing device in readonechunk. The error code should be stored before freeing the extentmap. Although it’s a reference-counted structure, in that...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

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...

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

In the Linux kernel, the following vulnerability has been resolved: HID: uclogic: The reference to the devm device for the hidinput inputdevice name must be corrected. Instead of referring to the input device, the correct device should be used. Referring to the inputdevice would lead to a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue in fdt: fix off-by-one error in unflattendtnodes Commit 78c44d910d3e “drivers/of: Fix depth when unflattening devicetree” forgot to fix the depth check in the loop body of unflattendtnodes. This could lead to an overflo...

Astra Linux – Vulnerability in opensc

Several memory vulnerabilities were identified within the OpenSC packages, particularly in the card enrollment process when using the pkcs15-init function. To exploit these vulnerabilities, an attacker must have physical access to the computer system and use a custom-constructed USB device or sma...