Astra Linux – Vulnerability in Linux, Linux 5.10

A NULL pointer dereference flaw was discovered in the btrfsrmdevice function in fs/btrfs/volumes.c within the Linux Kernel. Triggering this bug requires ‘CAPSYSADMIN’. This flaw allows a local attacker to crash the system or leak internal kernel information. The greatest threat posed by this...

Astra Linux – Vulnerability found in Linux 5.10, 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 5.10

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: A NULL pointer dereference occurs during the removal of a device. During the suspend and resume cycles, the removal and rescan of devices can lead to NULL pointer dereferences. During driver initialization, if th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mt76: mt7921: fixed the error code “return” in “mt7921acpiread”. The kernel’s NULL pointer was dereferenced when the ACPI SAR table was not properly implemented. Fixed the error code “return” to indicate that the ACPI SA...

Astra Linux – Vulnerability in ffmpeg

A null pointer dereferencing issue was discovered in ‘FFmpeg’ within the decodemainheader function of the libavformat/nutdec.c file. The flaw occurs because the function does not check the return value of avformatnewstream, leading to a null pointer dereferencing error, which can cause the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powercap: intelrapl: A NULL pointer dereference issue has been fixed. A NULL pointer dereference occurs when probing the MMIO RAPL driver on platforms where the CPU ID is not listed in the intelraplcommon CPU model list. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Check the return value after calling platformgetresource platformgetresource may return a NULL pointer. We need to check its return value to avoid a null-ptr-deref in resourcesize...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: Resetting connections when trying to use SMCRv2 fails. We identified a crash when using SMCRv2 with 2 Mellanox ConnectX-4 devices. This issue can be reproduced by running the following commands: - smcrun nginx - smcru...

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

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixing the lifetime of the sysfs interface The current nilfs2 sysfs support has issues with the timing of the creation and deletion of sysfs entries. This may lead to null pointer dereferences, use-after-free errors, a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: Added a check for the encoder in intelhdcpgetcapability. Sometimes during hotplug scenarios or suspend/resume scenarios, the encoder may not be initialized properly. To prevent null pointer dereferencing in the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed NULL pointer dereferencing in i40edbgdumpdesc. When attempting to dump VFs using debugfs, a crash occurred due to NULL pointer dereferencing in i40edbgdumpdesc. A check was added to i40edbgdumpdesc to ensure that the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek – Assign a dummy codec when no specific codec is specified for a DAI link. MediaTek sound card drivers check whether a DAI link exists and is being used on a board. They assign the correct parameters to the DAI lin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv4: icmp: fix null-ptr-deref in icmpbuildprobe The ipv6stub-ipv6devfind function may return ERRPTR-EAFNOSUPPORT when the IPv6 stack is not active CONFIGIPV6=m and not loaded. Passing this error pointer to devhold will cause a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: dsi: Store driver data before invoking mipidsihostregister The call to mipidsihostregister triggers a callback to mtkdsibind, which uses devgetdrvdata to retrieve the mtkdsi struct. Therefore, this structure must be...

Astra Linux – Vulnerability in Linux 5.10, Linux

A null pointer dereference issue was discovered in the SCTP network protocol within the net/sctp/streamsched.c file in the Linux kernel. If the streamin allocation fails, the streamout resource is freed, allowing further access to it. A local user could exploit this vulnerability to crash the...

Astra Linux – Vulnerability in libssh

A NULL pointer dereference was detected in libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: imu: adis: Fixed NULL pointer dereferencing in adisinit. The adisinit function dereferences adis-ops to check whether the individual function pointers write, read, reset are NULL. However, it does not first check whether...

Astra Linux – Vulnerability in Qemu

In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, which can lead to a NULL pointer dereferencing...

Astra Linux – Vulnerability in netcdf

A issue was discovered in ezXML 0.8.3 through 0.8.6. The function ezxmldecode, when parsing a crafted XML file, performs incorrect memory handling, resulting in a NULL pointer being dereferenced while running strlen on a NULL pointer...

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: 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...