Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btnxpuart: Fixed a null pointer dereference in the btnxpuartflush function. A check was added before freeing the rx-skb in the flush and close functions to handle kernel crashes that occur when removing the driver...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Split the initial and dynamic conditions for extentcache. We need to allocate the extentcache tree without dynamic conditions to avoid a panic caused by a missing condition as described below. Create a file with a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum: Protect the driver from buggy firmware When processing port up/down events generated by the device’s firmware, the driver attempts to protect itself from events reported for non-existent local ports. However, it...

Astra Linux – Vulnerability in gnutls28

A NULL pointer dereference flaw was discovered in GnuTLS. Since Nettle’s hash update functions internally call memcpy, using zero-length inputs may lead to undefined behavior. This flaw can result in a denial of service after authentication in rare circumstances...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: ACPI: Processor – Updated the check for the cpuidle driver in acpiprocessorstart. Commit 7a8c994cbb2d “ACPI: Processor: Idle: Optimize ACPI idle driver registration” moved the ACPI idle driver registration to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu/ras: Move the data allocation call before the bad page check. In the rare case where eeprom contains only invalid address entries, the allocation process is skipped, which leads to the following NULL pointer issue:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: md: initbioset in mddevinit. IO operations may be required before mdrun, such as updating metadata after writing to sysfs. Without bioset, this triggers a NULL pointer dereference, as shown below: BUG: NULL pointer dereference in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/rw: Potential allocated iovec in the cache may be freed after a failure. If a read/write request passes through ioreqrwcleanup, and an allocated iovec is attached to the request but fails to be placed into the rwcache, it...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: mvm – Fixed a memory corruption issue A few lines above, space is allocated using kzalloc for: sizeofstruct iwlnvmdata + sizeofstruct ieee80211channel + sizeofstruct ieee80211rate mvm-nvmdata is a struct iwlnvmdata...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix potential null dereferencing in ext4mbinit In ext4mbinit, ext4mbavgfragmentsizedestroy may be called when sbi-smbavgfragmentsize remains uninitialized e.g., if the groupinfo slab cache allocation fails. Since...

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

In the Linux kernel, the following vulnerability has been resolved: media: vidtv: mux: Added checks and calls to kstrdup. A check is performed on the return value of kstrdup; if it fails, an error is returned to avoid NULL pointer dereferencing. Additionally, kfree is used in the subsequent error...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: musb: tusb6010: check return value after calling platformgetresource This vulnerability could lead to a nullptrderef error if platformgetresource returns NULL. Therefore, we need to check the return value of this function...

Astra Linux – Vulnerability in Squid

Squid is a caching proxy for the Web that supports HTTP, HTTPS, FTP, and other protocols. Due to a NULL pointer dereference bug, Squid is vulnerable to Denial of Service attacks targeting its Gopher gateway. The Gopher protocol was always available and enabled in Squid prior to Squid 6.0.1...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fixed NULL pointer access via aerinfo. The kzallocGFPKERNEL function may return NULL, resulting in kernel panic when accessing aerinfo-xxx. This issue has been fixed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: OPP: Fixed a potential null pointer dereference in devpmoppgetrequiredpstate. The “opp” pointer is dereferenced before the ISERRORNULL check. This issue was fixed by removing the dereference of the “opp” pointer from the cache an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: gpu: lontium-lt9611: Fixed a NULL pointer dereference in lt9611connectorinit. A NULL check on bridge-encoder indicates that it may be NULL, but it has already been dereferenced on all paths leading to the check. 812: if...

Astra Linux – Vulnerability in openexr

A flaw was discovered in OpenEXR’s multipart input file functionality. A crafted multipart input file containing no actual parts can lead to a NULL pointer dereferencing issue. The greatest threat of this vulnerability is to system availability...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: powerz Fixed a use-after-free when USB is disconnected. After the powerzdisconnect function frees the URB and releases the mutex, a subsequent powerzread call can acquire the mutex and call powerzreaddata, which dereferenc...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: accel/amdxdna: Fixed the issue of NULL pointer dereferencing of mgmtchann. mgmtchann may be set to NULL if the firmware returns an unexpected error in the ai2sendmgmtmsgwait function. This can later lead to NULL pointer...

Astra Linux – Vulnerability in SOX

A issue was discovered in libsox.a within SoX 14.4.2. In sox-fmt.h, within the startread function, there is an integer overflow in the result of integer addition with a wrap around to 0 passed into the lsxcalloc macro that wraps around to malloc. When a NULL pointer is returned, it is used withou...