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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fixed a memory leak in uvcgpioparse Previously, the unit buffer was allocated before checking the IRQ for privacy-related GPIO signals. If an error occurred, the unit buffer could be leaked. The issue is now...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: catch commit test ctx allocation failure The patch series “mm/damon/sysfs: fix commit test damonctx deallocation” addresses this issue. The DAMON sysfs interface dynamically allocates and uses a damonctx object to...

Astra Linux – Vulnerability in Linux 5.10

A issue was discovered in the Linux kernel through version 5.16-rc6. The amvdecsetcanvases function in the drivers/staging/media/meson/vdec/vdechelpers.c file lacks a check on the return value of kzalloc. This could lead to a null pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fixed null pointer dereferencing in pinctrldttomap Here is the BUG report by KASAN regarding null pointer dereferencing: BUG: KASAN: nullptrderef in strcmp+0x2e/0x50 A read of size 1 was performed at address...

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 in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ovpn: TCP – fix for extracting packets from the stream When processing TCP stream data in ovpntcprecv, we receive large cloned skbs from strprcv, which may contain multiple coalesced packets. The current implementation has two...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fixed the crash that occurred during decoder allocation. When the decoders of an intermediate port are exhausted by existing regions, and a new region is created with that port in its hierarchical path, the...

Astra Linux – Vulnerability in Linux 5.10

A issue was discovered in the Linux kernel through version 5.16-rc6. The lkdtmARRAYBOUNDS function in drivers/misc/lkdtm/bugs.c lacks a check for the return value of kmalloc, which can lead to a null pointer derefrence...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Avoid using GFPKERNEL in an atomic context. Using GFPKERNEL in a preemption-disabled context may cause the following warning when CONFIGDEBUGATOMICSLEEP is enabled. 32.542271 BUG: A sleeping function was called from...

Astra Linux – Vulnerability in Linux, Linux 5.10

A data leak flaw was discovered in the way of the XFSIOCALLOCSP IOCTL in the XFS filesystem, which allows for an increase in file sizes when the size is unaligned. A local attacker could exploit this flaw to leak data from the XFS filesystem that would otherwise be inaccessible to them...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: iio: adc: at91adc: fixed a possible memory leak in at91adcallocatetrigger If iiotriggerregister returns an error, it should call iiotriggerfree to release the reference held by iiotriggeralloc, so that it can call iiotrigrelease ...

Astra Linux – Vulnerability in netcdf

A issue was discovered in ezXML 0.8.3 through 0.8.6. The ezxmlparse functions improperly handle XML entities, resulting in an infinite loop where memory allocation occurs...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the USB redirector device usb-redir of QEMU. Small USB packets are combined into a single, large transfer request, in order to reduce overhead and improve performance. The combined size of the bulk transfer is used to dynamically allocate a variable length array VLA on th...

Astra Linux – Vulnerability in binutils

A issue was discovered in the Binary File Descriptor BFD library also known as libbfd, as distributed in GNU Binutils 2.32. It involves an attempt at excessive memory allocation in the bfdelfslurpversiontables function within elf.c...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file via sftp using vsock, the data size is usually 32 kB. In such cases, kmalloc seems to fail when attempting to allocate 32 32 kB regions. vhost-5837...

Astra Linux – Vulnerability in Linux 5.10

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: s390/qeth: fixed a NULL dereference in qethclearworkingpoollist When qethsetonline calls qethclearworkingpoollist to roll back after an error exit from qethhardsetupcard, there is a risk of accessing card-qdio.inq before it has...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dm: A crash occurs if blkallocdisk fails. If blkallocdisk fails, the variable md-disk is set to an error value. cleanupmappeddevice will notice that md-disk is non-NULL and will attempt to access it, resulting in a crash at the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/core: Page allocation is disabled in tasktickmmcid. With KASAN and PREEMPTRT enabled, calling taskworkadd within tasktickmmcid may cause the following crash. 63.696416 BUG: A sleeping function is called from an invalid...