Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KEYS: prevented NULL pointer dereference in findasymmetrickey. In findasymmetrickey, if all NULL values are passed as arguments to id0,1,2, the kernel will first emit a WARN message, but then there will be an oops because id2 wil...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: Check the return value of mdbitmapgetcounter. Check the return value of mdbitmapgetcounter in case it returns a NULL pointer, which would lead to a null pointer dereferencing. v2: Update the check to include...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Thermal: Fix NULL pointer dereferencing in ofthermal functions. The function ofparsethermalzones parses the thermal-zone node and registers a thermalzone device for each subnode. However, if a thermal zone consumes a thermal...

Astra Linux – Vulnerability in connman

In ConnMan through version 1.44, the lookup string in nsresolv in dnsproxy.c can be NULL or an empty string when the TC Truncated bit is set in a DNS response. This allows attackers to cause a denial of service application crash or potentially execute arbitrary code, as those lookup values lead t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: lib/testhmm.c: Handling of failures in allocating srcpfns and dstpfns. The kcalloc function used in dmirrordeviceevictchunk will return null if the physical memory runs out. As a result, if srcpfns or dstpfns is dereferenced, ...

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: scsi: target: core: Fixed the nullptrderef issue in targetallocdevice There is a nullptrderef issue reported by KASAN: BUG: KASAN: nullptrderef in targetallocdevice+0xbc4/0xbe0 targetcoremod … kasanreport+0xb9/0xf0...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Netwerk: Ethernet: xscale: Ensure proper check for PTP support. In ixp4xxgettsinfo, ixp46xptpfind is called unconditionally. This feature only exists in ixp46x, resulting in the following segmentation fault from tcpdump:...

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: netlabel: Fixed a NULL pointer exception caused by CALIPSO on IPv4 sockets. When calling netlblconnsetattr, addr-safamily is used to determine the function’s behavior. If sk is an IPv4 socket, but the connect function is called...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Input: mtk-pmic-keys – fixed the issue of possible null pointer dereferencing. In mtkpmickeysprobe, the regs parameter is only set if the button is parsed in the device tree. However, on hardware where the button is left floating...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue of NULL pointer dereferencing occurred when testing as follows: a Using syscallNRSocket, 0x10ul, 3ul, 0 to create a netlink socket. b Using syscallNRSendMsg, ... to create a bond link device and a vxcan link device, and...

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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: host: isp116x: check the return value after calling platformgetresource. If platformgetresource returns NULL, it may lead to a nullptrderef error. Therefore, we need to check the return value...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Avoid using a null object of the framebuffer. Instead of directly using state-fb-obj0, obtain the object from the framebuffer by calling drmgemfbgetobj. Return an error code when the object is null to avoid using a nu...

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: anysee: fixed the null-ptr-deref in anyseemasterxfer. In anyseemasterxfer, msg is controlled by the user. When msgi.buf is null and msgi.len is zero, previous checks on msgi.buf will still be performed. Malicious data will...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions 14.10.1 and below have a NULL pointer dereference vulnerability in the MSL Magick Scripting Language parser when processing tags before images are loaded. This can lead to DoS attacks due to...

Astra Linux – Vulnerability in openjpeg2

It was discovered that openjpeg v 2.5.0 contains a NULL pointer dereference through the /openjp2/dwt.c component...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Video: fbdev: smscufx: Fixed null-ptr-deref in ufxusbprobe I received a report of a null-ptr-deref issue: Bug: NULL pointer dereferencing in the kernel; address: 0000000000000000 … RIP: 0010:fbdestroymodelist+0x38/0x100 … Call...

Astra Linux – Vulnerability in libvirt

A NULL pointer dereference was detected in the libvirt API, which was introduced in the upstream version 3.10.0 and fixed in libvirt 6.0.0. This issue relates to the retrieval of a storage pool based on its target path. More specifically, this flaw affects storage pools created without a target...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Lag – Check for LAG devices before creating debugfs. The function mlx5lagdevaddmdev may return 0 success even when an error occurs, but this error is handled gracefully. As a result, the initialization process continues...

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: fbdev: The fbnewmodelist function was fixed to prevent a nullptrderef in fbvideomodetovar. info-var, which represents the current mode of a framebuffer, is expected to have a matching entry in info-modelist. The vartodisplay...