Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ublk: The SQE128 flag is validated before accessing the cmd field. The ublkctrlcmddump function accesses the sqe-cmd field before checking the IOURINGFSQE128 flag. This could lead to out-of-boundary memory access. The flag...

SUSE CVE-2026-64259

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: make a fusereq on SQE commit only findable after memcpy Bad userspace might try to trick us and send commit SQEs request unique / commit-id of requests that are not even send to fuse-server iouringcmddone not called...

UBUNTU-CVE-2026-64258

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: remove request-less entries from entwreqqueue to fix NULL deref If a copy into the userspace ring buffer fails, a request will be terminated and fuseuringreqend will set ent-fusereq to NULL but it will leave the entry...

CVE-2026-64259 fuse-uring: make a fuse_req on SQE commit only findable after memcpy

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: make a fusereq on SQE commit only findable after memcpy Bad userspace might try to trick us and send commit SQEs request unique / commit-id of requests that are not even send to fuse-server iouringcmddone not called...

CVE-2026-64259 fuse-uring: make a fuse_req on SQE commit only findable after memcpy

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: make a fusereq on SQE commit only findable after memcpy Bad userspace might try to trick us and send commit SQEs request unique / commit-id of requests that are not even send to fuse-server iouringcmddone not called...

EUVD-2026-45591

In the Linux kernel, the following vulnerability has been resolved: net: mana: validate rxreqidx to prevent out-of-bounds array access In manahwcrxeventhandler, rxreqidx is derived from sge-address in DMA-coherent memory. In Confidential VMs SEV-SNP/TDX, this memory is shared unencrypted and HW c...

SUSE CVE-2026-53299

In the Linux kernel, the following vulnerability has been resolved: net: airoha: Move ndesc initialization at end of airohaqdmainittx If queue entry list allocation fails in airohaqdmainittxqueue routine, airohaqdmacleanuptxqueue will trigger a NULL pointer dereference accessing the queue entry...

CVE-2026-53242 ALSA: PCM: Fix wait queue list corruption in snd_pcm_drain() on linked streams

In the Linux kernel, the following vulnerability has been resolved: ALSA: PCM: Fix wait queue list corruption in sndpcmdrain on linked streams sndpcmdrain uses initwaitqueueentry which does not clear entry.prev/next, and addwaitqueue with a conditional removewaitqueue that is skipped when tocheck...

SUSE CVE-2026-52912

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfqueue: hold bridge skb-dev while queued brpassframeup rewrites skb-dev from the ingress port to the bridge master before queueing bridge LOCALIN packets. NFQUEUE only holds references on state.in/out and bridge...

EUVD-2026-38715

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfqueue: hold bridge skb-dev while queued brpassframeup rewrites skb-dev from the ingress port to the bridge master before queueing bridge LOCALIN packets. NFQUEUE only holds references on state.in/out and bridge...

PT-2026-43723

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The ib uverbs post send function uses the wqe size variable from userspace without validation before passing it to kmalloc. If a small value is provided for wqe size, the system may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a issue where a “use-after-free” condition could occur during an interrupt. During a destroy CQ operation, an interrupt may cause the processing of a CQE to occur after the resources managed by irdmacqfreersrc...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Returns a CQE error if an invalid lkey is provided. In RXE, there is a lack of update of the WQE status in cases of LOCALwrite failures. This caused the following kernel panic if someone performed an atomic operation...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: mana: Fixed error handling for TX CQE messages. For an unknown type of TX CQE error likely due to newer hardware, still free the SKB, update the queue tail, etc. Otherwise, the accounting data will be incorrect...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a physical SQE boundary-checking error involving a 128-byte operation in iouring, potentially...

kernel: io_uring: prevent opcode speculation

In the Linux kernel, the following vulnerability has been resolved: iouring: prevent opcode speculation sqe-opcode is used for different tables, make sure we santitise it against speculations...

UBUNTU-CVE-2023-54030

In the Linux kernel, the following vulnerability has been resolved: iouring/net: don't overflow multishot recv Don't allow overflowing multishot recv CQEs, it might get out of hand, hurt performance, and in the worst case scenario OOM the task...

EUVD-2025-36481

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: always prune wait queue entry in iowaitidwait For a successful return, always remove our entry from the wait queue entry list. Previously this was skipped if a cancelation was in progress, but this can race with...

CVE-2025-40047 io_uring/waitid: always prune wait queue entry in io_waitid_wait()

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: always prune wait queue entry in iowaitidwait For a successful return, always remove our entry from the wait queue entry list. Previously this was skipped if a cancelation was in progress, but this can race with...

PT-2025-44115

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s io uring/waitid functionality. Specifically, the io waitid wait function did not consistently remove its entry from the wait queue entry list upon a...