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...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: A possible null pointer dereference has been fixed in niclear. In a previous commit c1006bd13146, ni-mi.mrec in niwrite inode could be NULL. Therefore, a NULL check was added for this variable. However, in the same call...

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

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsit: Commands from recovery entries are freed after a session is closed. This leads to a use-after-free when the commands are freed, or a NPE Non-Programmable Error can occur with such a call trace: Time2Retain...

Astra Linux – Vulnerability in Linux 5.15

A null pointer dereference issue was detected in the can protocol in the net/can/afcan.c file in Linux before Linux. The mlpriv variable may not be initialized in the receive path of CAN frames. A local user could exploit this flaw to crash the system or potentially cause a denial of service...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw involving a null pointer dereference was discovered in the Linux kernel’s UDF file system functionality. This flaw allows a malicious UDF image to trigger the udffilewriteiter function. A local user could exploit this flaw to crash the system. The flaw is present in the Linux kernel versio...

Astra Linux – Vulnerability in fly-wm

The vulnerability of the fly-kompmgr utility for the fly-wm window manager is related to the manipulation of the zero pointer. Exploiting this vulnerability allows an attacker to cause a service failure...

Astra Linux – Vulnerability in netcdf

A issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxmlinternaldtd, when parsing a crafted XML file, performs incorrect memory handling, resulting in a NULL pointer being dereferenced while running strcmp on a NULL pointer...

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

In the Linux kernel, the following vulnerability has been resolved: rpmsg: glink: Added a check for kstrdup. Added a check on the return value of kstrdup, and return an error if it fails, in order to avoid NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mt76: mt7915: fixed NULL pointer dereferencing in mt7915getphymode Fixed the NULL pointer dereferencing in mt7915getphymode routine by adding an IBSS interface to the mt7915 driver. 101.137097 wlan0: Triggered a new scan to fi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/raid5-cache: fixed null-ptr-deref in r5lFlushStripeToRaid The r5lFlushStripeToRaid function will check whether the list ‘flushingios’ is empty. It will then submit ‘flushbio’. However, r5llogFlushEndio clears the list first, a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Added a check for mgmtallocskb in mgmtdeviceconnected. Added a check on the return value of mgmtallocskb in mgmtdeviceconnected to prevent null pointer dereferencing...

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: The TOCTOU issue in skisreadable has been fixed. sk-skprot-sockisreadable is a valid function pointer when sk resides in a sockmap. After the last skpsockput call which usually occurs when a socket is removed from the sockma...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the issue where dcc-f2fsissuediscard was not invalidated during the error path. Syzbot reports a NULL pointer dereference issue as follows: refcountadd include/linux/refcount.h:193 inline refcountinc...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: A null check was added for the setoutputgamma function pointer in the dcn30setoutputtransferfunc function. This commit adds a null check for the function pointer setoutputgamma in the dcn30setoutputtransferfunc...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix bridge mode operations when there are no VFs Currently, attempting to set the bridge mode attribute when numvfs=0 leads to a crash: bridge link set dev eth2 hwmode vepa 168.967392 BUG: kernel NULL pointer dereferenc...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: iouring: Fixed a null-ptr-deref in iotctxexitcb. Syzkaller reports a NULL deref bug as follows: BUG: KASAN: null-ptr-deref in iotctxexitcb+0x53/0xd3 Read of size 4 at address 0000000000000138 by task file1/1955 CPU: 1 PID: 195...

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: Wifi: carl9170 – Do not ping devices that have failed to load firmware. Syzkaller reports that 1 and 2 crashes occur due to attempts to ping devices that have failed to load firmware. Since such devices fail to pass the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net-sysfs: added a check to ensure netdevice is present before using speedshow. When disabling the netdevice or during system shutdown, a panic may occur when accessing the sysfs path, because the device has already been removed...

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...