CVE-2026-45862

The CVE-2026-45862 issue concerns the Linux kernel’s IOMMU VT-d PASID handling. A flaw in the cache flush order when writing a freshly allocated zero-initialized PASID table to a PASID directory entry creates a time window during which non-coherent IOMMU hardware could access RAM contents that ar...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of CPU cache flushing before writing PASID table addresses to the PASID directory entries. Thi...

PT-2026-43729

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the iommu/vt-d component where the address of a freshly allocated zero-initialized PASID table is written to a PASID directory entry before the CPU cache flush occurs...

PT-2026-43761

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Intel VT-d Scalable Mode PASID table entry handling. The current implementation zeros the entire 64-byte structure immediately using multiple 64-bit writes when...

Linux Distros Unpatched Vulnerability : CVE-2026-45862

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/vt-d: Flush cache for PASID table before using it When writing the address of a freshly allocated zero-initialized PASID table to a PASID directory entry,...

CVE-2026-45862

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush cache for PASID table before using it When writing the address of a freshly allocated zero-initialized PASID table to a PASID directory entry, do that after the CPU cache flush for this PASID table, not before i...

CVE-2026-7837

A flaw was found in Netatalk. A remote attacker may exploit a time-of-check time-of-use TOCTOU condition, where the state of a resource is checked, and then used, but the state changes between the check and the use. This condition, specifically in the adflush function, involves root-privileged fi...

CVE-2026-7837 TOCTOU with root privilege in ad_flush

A time-of-check time-of-use TOCTOU condition in the adflush function in Netatalk 3.0.0 through 4.4.2 involves root-privileged file operations, which may allow a remote attacker to cause limited data modification under specific race conditions...

CVE-2026-7837

A time-of-check time-of-use TOCTOU condition in the adflush function in Netatalk 3.0.0 through 4.4.2 involves root-privileged file operations, which may allow a remote attacker to cause limited data modification under specific race conditions...

CVE-2026-7837

CVE-2026-7837 is a TOCTOU vulnerability in Netatalk 3.0.0 through 4.4.2 affecting the ad_flush function. The issue involves root-privileged file operations and could allow a remote attacker to cause limited data modification under specific race conditions. The NVD entry documents a Network attack...

PT-2026-42442

Name of the Vulnerable Software and Affected Versions Netatalk versions 3.0.0 through 4.4.2 Description A time-of-check time-of-use TOCTOU condition—a race condition where a system checks a condition and then uses the result of that check, but the condition changes between the two steps—exists in...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: nbd: Fixed NULL pointer in flushworkqueue Open /dev/nbdX first; the configrefs will be 1, and the pointers in nbddevice remain null. Disconnect /dev/nbdX, then reference a NULL recvworkq. The protection provided by configrefs ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fixed a deadlock in mptcppushpending. mptcppushPending may call mptcpFlushJoinList with a subflow socket lock held. If such a call encounters mptcpSockOptSyncAll, then mptcpSockOptSync might attempt to lock the subflow...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to avoid potential memory corruption in updateiostatlatency. A sanity check for iotype was added to prevent potential memory corruption. This addresses the compile error below: fs/f2fs/iostat.c:231...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5: Fixed a race condition related to command flushing flows. Fixed a “use-after-free” warning due to a race condition involving command entries. This race condition occurs when one command releases its last reference...

Astra Linux – Vulnerability in Xen

A issue was discovered in Xen through version 4.11.x, allowing users of x86 Intel HVM guest operating systems to obtain unintended read/write DMA access. This could potentially lead to a denial of service host operating system crash or privilege escalation. This issue arises because a backport...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtiopmem: Added the missing REQOPWRITE for flushing bio. When performing mkfs.xfs on a pmem device, the following warning was encountered: ------------ Cut here ------------ Warning: CPU: 2, PID: 384; at block/blk-core.c:751:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvme: Fixed a multipath crash caused by the flush request when blktrace is enabled. The flush request initialized by blkkickflush has a NULL bio. This issue may be addressed during the nvmeendreq operation during io completion...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath12k – Prevent sending WMI commands to firmware during a firmware crash Currently, we encounter the following kernel call trace when a firmware crash occurs. This occurs because the host sends WMI commands to the...

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: kcm: Fixed error handling for SOCKDGRAM in kcmsendmsg. Syzkaller identified a memory leak in kcmsendmsg, and the commit c821a88bd720 "kcm: Fix memory leak in the error path of kcmsendmsg" suppressed this issue by updating...