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: 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...

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 vulnerabilities have been resolved: cgroup/dmem: Fixed a NULL pointer derefrence issue when setting the max value. The following issue was triggered: BUG: NULL pointer derefrence in the kernel; Address: 0000000000000000 PF: Supervisor read access in kernel mode...

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

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/pt: Fixed a crash that occurred with stop filters in single-range mode. A check for !buf-single was added before calling ptbufferregionsize in places where a missing check could cause a kernel crash. This fix...

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 vulnerabilities have been resolved: mshv: Error handling in mshvregionpin has been fixed. The current error handling has two issues: Firstly, the pinuserpagesfast function may return a short pin count less than the requested count but greater than zero when it...

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: A memory leak has been fixed when canceling the rehash operation. The rehash operation is rescheduled with a delay if the number of credits at the end of the operation is not negative—this indicates that t...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix for the shutdown order Ira reports that removing the cxlmockmem causes a crash with the following error message: BUG: Kernel NULL pointer dereference, address: 0000000000000044 .. RIP: 0010:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: cxl/region: Do not attempt cleanup after a failure in cxlRegionAttach. Commit 5e42bcbc3fef “cxl/region: Decrement -nrtargets in case of errors in cxlRegionAttach” attempted to prevent initialization errors when -nrtargets...

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

In the Linux kernel, the following vulnerabilities have been resolved: EFI: In runtime mode, a potential overflow of the size of the soft-reserved region has been fixed. If there are pages worth ≥ 4GB in a soft-reserved region, the value of mdsize will be reduced...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/vma: Fixed a memory leak in mmapregion. The commit 605f6586ecf7 “mm/vma: No memory leak occurs when .mmapprepare swaps the file” handled the success path by skipping getfile via filedoesntneedget, but missed the error path...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fixed the issue with the ib block iterator counter overflow. When registering a new DMA MR after selecting the best aligned page size for it, we iterate over the given sglist to split each entry into smaller, aligned D...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvdimm: Fixed scenarios where firmware activation led to deadlocks. Lockdep reports the following deadlock scenarios for CXL root devices: - power-management, deviceprepare, operations, and deviceshutdown operations for...

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: mlxsw: spectrumacltcam: Fixed a possible use-after-free during rehash. The rehash process delays the migration of filters from one region to another based on the number of available credits. If the number of credits is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fixed the validation of region HPA ordering. Some regions may not have any address space allocated. Skip these regions when validating HPA order; otherwise, a crash similar to the following may occur: devmcxladdregion...

CVE-2024-36343

Improper input validation in the System Management Mode SMM communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment TSEG memory region, potentially resulting in loss of confidentiality or integrity...

CVE-2024-36343

CVE-2024-36343 describes improper input validation in the System Management Mode (SMM) communications buffer, enabling a privileged attacker to perform an out-of-bounds read or write in a limited portion of the Top of Memory Segment (TSEG) on AMD platforms. The issue can impact confidentiality an...