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

In the Linux kernel, the following vulnerabilities have been resolved: udplite: Fixed a NULL pointer dereference in skmemraiseallocated. syzbot reported a NULL pointer dereference in skgetrmem0 while using IPPROTOUDPLITE 0x88: 14:25:52 executing program 1: r0 = socket$inet60xa, 0x80002, 0x88 We...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Driver: soc: xilinx: fixed a memory leak in xlnxaddcbfornotifyevent. The kfree function should be called when memory fails to be allocated for cbdata in xlnxaddcbfornotifyevent. Otherwise, a memory leak will occur; therefore,...

Astra Linux – Vulnerability in exempi

The XMP Toolkit SDK version 2020.1 and earlier is affected by a write-what-where condition vulnerability that occurs during the application’s memory allocation process. This may cause the memory management functions to become mismatched, resulting in local application denial of service in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clk: mmp: pxa1908-mpmu: Fixed the issue where a NULL value was returned instead of an ISERR pointer. The devmkzalloc function now returns NULL if there is an error, rather than an error pointer. The check has been updated to matc...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where an uninitialized pointer was freed during the readalloconename function. The readalloconename function does not initialize the name field of the passed fscryptstr structure if kmalloc fails to allocate...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xfrm: Update ipcompscratches with NULL when freed Currently, if ipcompallocscratches fails to allocate memory, ipcompscratches holds an obsolete address. Therefore, when we try to free the percpu scratches using...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: SELinux: The use of both GFPKERNEL and GFPATOMIC in convertcontext was enabled. The following warning was triggered in a hardware environment: SELinux: Converting 162 SID table entries... BUG: The sleeping function was called...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netpoll: Fixed a deadlock in memory allocation under spinlock. A deadlock occurred in the refillskbs function, where memory allocation while holding skbpool-lock could trigger a recursive lock acquisition attempt. This deadlock...

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/mlx5e: fixed a memory leak in mlx5eptpopen. When kvzallocnode or kvzalloc fails in mlx5eptpopen, the memory pointed to by “c” or “cparams” is not freed, which can lead to a memory leak. This issue has been fixed by freeing th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath12k – Fix for kernel crash during resume Currently, during resume, the QMI target memory is not handled properly. This results in a kernel crash if DMA remap is not supported: BUG: Incorrect page state in process...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: cgbc-hwmon Add a NULL check after devmkzalloc The driver allocates memory for sensor data using devmkzalloc, but did not check whether the allocation succeeded. In the event of a memory allocation failure, dereferencing th...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.11.3, when it was used with Xen PV. A certain part of the netback driver lacks proper handling of errors, such as failed memory allocations as a result of changes to the way errors related to grant mapping are handled. A denial-of-servi...

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

In the Linux kernel, the following vulnerability has been resolved: Input: uinput – rejects requests with an unreasonable number of slots When using uinput, the syzkaller may attempt to set up a device with a very large number of slots, leading to a memory allocation failure in inputmtinitslots...

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: exfat: Use kvmallocarray/kvfree instead of kmallocarray/kfree. The call stack shown below represents a scenario in the Linux 4.19 kernel. Memory allocation failed for the exfat file system, due to system memory fragmentation...

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: pinctrl: at91-pio4: check return value of devmkasprintf devmkasprintf returns a pointer to dynamically allocated memory. The pointer might be NULL if the allocation fails. Check the validity of the pointer. Identified using...

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: dmaengine: ti: edma: Fix memory allocation size for queueprioritymap A critical memory allocation bug was fixed in the edmasetupfromhw function, where queueprioritymap was allocated with insufficient memory. The code declared...

Astra Linux – Vulnerability in grub2

Integer underflow in grubnetrecvip4packets; A malicious IP packet can cause an integer underflow in the grubnetrecvip4packets function, affecting the rsm-totallen value. Under certain circumstances, the totallen value may wrap around to a small integer number, which will be used in memory...

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: backlight: pm8941: Add a NULL check in wledconfigure. The devmkasprintf function returns NULL when memory allocation fails. Currently, wledconfigure does not check for this case, resulting in a NULL pointer being dereferenced. Ad...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: afalg – Zero initialize memory allocated via sockkmalloc Several crypto user API contexts and requests that were allocated using sockkmalloc remained uninitialized. This meant that callers had to explicitly set the fields...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfc: fixed a segfault in nfcgenldumpdevicesdone When kmalloc in nfcgenldumpdevices fails, nfcgenldumpdevicesdone causes a segfault as follows: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f CPU: 0 PID: 25...