Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rethook: Fix a potential memory leak in rethookalloc. In rethookalloc, the variable rh is not freed or passed out if handler is NULL. This could lead to a memory leak. Fix this issue. Masami: Added the "rethook:" tag to the title...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: rapidio: fixed a possible Use-after-Allocation UAF issue when kfifoalloc fails. If kfifoalloc fails in mportcdevopen, it jumps to errfifo and simply frees the priv object. However, since priv remains in chdev-filelist, traversal ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: capabilities: Fixed a potential memory leak on the error path from vfsgetxattralloc. In capinodegetsecurity, we will use vfsgetxattralloc to complete the memory allocation of tmpbuf. If we have completed the memory allocation of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: io-wq: Fixed a memory leak during worker creation. If the CPU mask allocation for a node fails, the memory allocated for the iowqe structure of the current node does not get freed during error handling, since it has not yet been...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: libertas – fixed a memory leak in lbsinitadapter. When kfifoalloc failed in lbsinitadapter, the command buffer was not released. Add freed memory to the processing error path...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nouveau/dmem: handling of kcalloc allocation failures The kcalloc function in nouveaudmemevictchunk will return null if the physical memory runs out. As a result, if we dereference srcpfns, dstpfns, or dmaaddrs, null pointer...

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: btrfs: Protect folio::private when attaching an extent buffer for folios BUG Since version 6.8, several people have reported rare kernel crashes. The common cause is incorrect page status error messages like this: BUG: Incorrect...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/migrate: prevents infinite recursion. If the buf + offset is not aligned to XECAHELINEBYTES, we fall back to using a bounce buffer. However, the bounce buffer is allocated on the stack, and the only alignment requirement...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: hisisas: The pointer to debugfsdir is set to NULL after removing debugfs. If init debugfs fails during device registration due to a memory allocation failure, the function debugfsremoverecursive is called. However, debugfsd...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Changed the nlapolicy for bearer-related names to NLANULSTRING. The syzbot reported the following uninit-value access issues 1: ===================================================== BUG: KMSAN: uninit-value in strlen...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QXL display device emulation in QEMU. An integer overflow in the cursoralloc function can lead to the allocation of a small cursor object, followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: only publishes modedata after clone setup The iptfsclonestate function stores x-modedata before allocating the reorder window. If this allocation fails, the cloned state is freed, and -ENOMEM is returned, leaving...

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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Firmware: Xilinx: Do not perform sleepable memory allocations from an atomic context. The following issue was discovered using lockdep: 6.691371 BUG: A sleeping function is called from an invalid context at...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: media: staging/intel-ipu3: Fixed error handling for setfmt operations. If an error occurs during the setfmt operation, do not overwrite the previous sizes with the invalid configuration. Without this patch, v4l2-compliance wil...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: spi: Fix for statistics allocation. The controller per-cpu statistics is not allocated until after the controller has been registered with the driver core. This creates a window during which accessing the sysfs attributes may lea...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a group with a corrupted block bitmap in ext4mbtrybestfound. Determine whether the group block bitmap is corrupted before using acbex in ext4mbtrybestfound to prevent allocating blocks from a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/slub: A check for s-flags was added in the alloctaggingslabfree hook function. When CONFIGMEMCG, CONFIGKFENCE, and CONFIGKMEMLEAK are enabled, the following warning always occurs. This happens because the following call sta...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtionet: fixed device mismatch in devmkzalloc/devmkfree The initial rsshdr allocation uses virtiodevice-device, but virtnetsetqueues frees resources using netdevice-device. This device mismatch causes the following devres...