Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm mirror log: The bitsetsize is rounded up to BITSPERLONG. The code in dm-log rounds up bitsetsize to 32 bits. Then, it uses findnextzerobitle on the allocated region. findnextzerobitle accesses the bitmap using unsigned long...

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: KVM: SVM – Flushing pages under kvm-lock to fix a Use-After-Free error in svmregisterencregion It is necessary to flush the cached pages in svmregisterencregion before releasing kvm-lock to address use-after-free issues. In such...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mshv: Fixed an infinite fault loop that occurred during GPA intercepts when permissions were denied. This issue prevents infinite fault loops when guests access memory regions without proper permissions. Currently,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mshv: Fixed the check for overlap in memory regions. The current check was incorrect; it only checks whether the beginning or end of a region is within an existing region. This does not take into account cases where the user spac...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cxl/region: Fixed leakage in constructregion. The first call to sysfsupdategroup requires explicitly freeing the resource, as it is too early for cxlregioniomemrelease to be called...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “phy: qcom-qmp-combo: fix NULL-deref on runtime resume” The commit with ID fc64623637da “phy: qcom-qmp-combo,usb: add support for separate PCSUSB region” began treating the PCSUSB registers as potentially separate from the PCS...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cxl/pmem: Fixed leaks in cxlpmemregion and cxlmemdev. When a cxlnvdimm object undergoes an -remove operation where the device is physically removed, nvdimmbridge is disabled, or the nvdimm device is disabled, any associated...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fixed the cxlregion leak, and cleaned up targets when a region is deleted. When a region is deleted, any targets that were previously assigned to that region still hold references to it. To trigger the release of thos...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A malicious user could exploit this flaw to crash the QEMU process on the host...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb3: Fixed temporary data corruption in the collapse range. The “collapse range” does not discard the affected cached regions; therefore, there is a risk of temporarily corrupting the file data. This fix corresponds to bug xfste...

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

In the Linux kernel, the following vulnerability has been resolved: mm/damon: fixed the issue of dividing by zero in damongetintervalsscore. The current implementation allows regions with zero size without any special reasons, but damongetintervalsscore crashes when the region size is zero...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: added the missing memcpy in kasaninit Hi Atish, It seems that the panic occurs due to the missing memcpy during kasaninit. Could you please check whether this patch is useful? When performing kasanpopulate, the newly...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a double-free issue related to reregusermr. If IBMRREREGTRANS is set during reregusermr, the umem will be released, and a new umem will be allocated in irdmareregmrtrans. If any step of irdmareregmrtrans fails...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Watchdog: cpu5wdt.c: Fixed a use-after-free bug caused by cpu5wdttrigger. When the cpu5wdt module is being removed, the original code uses deltimer to deactivate the timer. If the timer handler is still running, deltimer may not ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Firmware: qcom: uefisecapp: Fixed memory-related IO errors and crashes. It turns out that while the QSEECOM APPSEND command has specific fields for the request and response buffers, uefisecapp expects both to be in a single memor...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fixed memregion leaks in devmcxladdregion. The mode verification was moved to createregion, before allocating the memregion, to avoid memregion leaks...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In mm/hugetlb, do not call vmaaddreservation when ENOMEM occurs. sysbot reported a segmentation fault 1 in unmaphugepagerange. This occurs because vmaneedsreservation may return -ENOMEM if allocatefileregionEntries fails to...

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

In the Linux kernel, the following vulnerability has been resolved: cifs: Fixed the issue where the smbd connection was lost and destroyed when the MR allocation failed. If the MR allocation fails, the smbdDestroy function will return NULL, and the connection information will be leaked. We need t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: devlink: The region-snapshotlock was not held during snapshot flushing. Netdevsim triggers a segmentation fault when reloading, especially when destroying regions with snapshots pending: WARNING: CPU: 1 PID: 787 at...