Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: Do not clobber swpentryt during THP split. The following issue was observed when running stress mmap since the commit b653db77350c: “mm: Clear page-private when splitting or migrating a page.” Watchdog: BUG: Soft...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mptcp: fixed a soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with the MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: iommu/arm-smmu-v3: Fixed the soft lockup triggered by armsmmumminvalidaterange. When running an SVA case, the following soft lockup is triggered: -------------------------------------------------------------------- watchdog:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw89: Fix for soft lockup in rtw89entityrecalcmgntroles. During rtw89entityrecalcmgntroles, there is a normalization process that will reorder the list if an entry with the target pattern is found. Once such an entry is...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel before version 5.9. Arch/x86/kvm/svm/sev.c allows attackers to cause a denial of service soft lockup by triggering the destruction of a large SEV VM, which requires unregistering many encrypted regions. This vulnerability is also known as...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/shmem, swap: fixed the soft lockup issue with mTHP swapin. The following soft lockup can be easily reproduced on my test machine using the following command: echo always...

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

In the Linux kernel, the following vulnerability has been resolved: Audit: Fixed a possible soft lockup in audit inode child. Tracefs or debugfs might cause hundreds to thousands of PATH records. Too many PATH records might lead to a soft lockup. For example: 1. CONFIGKASAN=y && CONFIGPREEMPTION=...

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

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Bypass of empty buckets in batadvpurgeorigref Many syzbot reports point to soft lockups in batadvpurgeorigref 1 The root cause is unknown, but we can avoid spending too much time on this issue and potentially obtain...

SUSE CVE-2026-43492

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: mpi: Fix integer underflow in mpireadrawfromsgl Yiming reports an integer underflow in mpireadrawfromsgl when subtracting "lzeros" from the unsigned "nbytes". For this to happen, the scatterlist "sgl" needs to occupy...

UBUNTU-CVE-2026-43492

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: mpi: Fix integer underflow in mpireadrawfromsgl Yiming reports an integer underflow in mpireadrawfromsgl when subtracting "lzeros" from the unsigned "nbytes". For this to happen, the scatterlist "sgl" needs to occupy...

EUVD-2026-30878

In the Linux kernel, the following vulnerability has been resolved: lib/crypto: mpi: Fix integer underflow in mpireadrawfromsgl Yiming reports an integer underflow in mpireadrawfromsgl when subtracting "lzeros" from the unsigned "nbytes". For this to happen, the scatterlist "sgl" needs to occupy...

SUSE CVE-2025-38241

In the Linux kernel, the following vulnerability has been resolved: mm/shmem, swap: fix softlockup with mTHP swapin Following softlockup can be easily reproduced on my test machine with: echo always /sys/kernel/mm/transparenthugepage/hugepages-64kB/enabled swapon /dev/zram0 zram0 is a 48G swap...

SUSE CVE-2026-43029

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

CVE-2026-43029

A flaw was found in the Linux kernel's Multipath TCP mptcp implementation. When an attacker sends data with MSGPEEK | MSGWAITALL flags, the system can enter a soft lockup state. This occurs because the skreceivequeue is not properly cleared, causing the system to continuously find available data...

CVE-2026-43029

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

CVE-2026-43029 mptcp: fix soft lockup in mptcp_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

EUVD-2026-26628

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

CVE-2026-43029 mptcp: fix soft lockup in mptcp_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

CVE-2026-43029

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lockup in mptcprecvmsg syzbot reported a soft lockup in mptcprecvmsg 0. When receiving data with MSGPEEK | MSGWAITALL flags, the skb is not removed from the skreceivequeue. This causes skwaitdata to always find...

CVE-2026-43029

The CVE-2026-43029 issue affects the Linux kernel MPTCP implementation. When data is received with MSG_PEEK and MSG_WAITALL, skb’s are not removed from the sk_receive_queue, causing sk_wait_data() to incorrectly report data available and potentially trigger a soft lockup. The root cause is the mi...