Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: futex: Prevention of use-after-free during requeue-PI The syzbot was able to trigger the following race condition: T1 → T2 The sequence of operations is as follows: c futexwaitrequeuepi futexdowait schedule futexrequeue...

UBUNTU-CVE-2026-23473

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-23473

The CVE-2026-23473 issue affects the Linux kernel io_uring/poll path. A race occurs when a socket send and shutdown() wake up the poll loop back-to-back; the first wake assigns poll ownership (poll_refs=1) and the second increments to 2. io_poll_check_events() calls io_poll_issue(), which perform...

PT-2026-30167

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition in the io uring/poll subsystem can cause a multishot recv operation to hang indefinitely when a socket send and shutdown occur in quick succession. This happens because...

UBUNTU-CVE-2025-40305

In the Linux kernel, the following vulnerability has been resolved: 9p/transfd: p9fdrequest: kick rx thread if EPOLLIN p9readwork doesn't set Rworksched and doesn't do scheduleworkm-rq if listempty&m-reqlist. However, if the pipe is full, we need to read more data and this used to work prior to...

AZL-68525 CVE-2025-39977 affecting package kernel for versions less than 6.6.112.1-1

In the Linux kernel, the following vulnerability has been resolved: futex: Prevent use-after-free during requeue-PI syzbot managed to trigger the following race: T1 T2 futexwaitrequeuepi futexdowait schedule futexrequeue futexproxytrylockatomic futexrequeuepiprepare requeuepiwakefutex...

blk-mq: fix IO hang from sbitmap wakeup race

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CVE-2025-38393

CVE-2025-38393 affects the Linux kernel (NFSv4/pNFS) where a race to wake on NFS_LAYOUT_DRAIN could occur. The issue occurs when multiple tasks wait for a page lock during writeback and a waiter/waker race with pnfs_update_layout() occurs while pnfs_layout_hdr’s plh_outstanding count is zero. The...

kernel: blk-mq: fix IO hang from sbitmap wakeup race

A possible IO hang from sbitmap wakeup race was found in the Linux kernel. This may lead to compromised Availability...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: blk-mq: fix IO hang from sbitmap wakeup race

A possible IO hang from sbitmap wakeup race was found in the Linux kernel. This may lead to compromised Availability...

kernel: USB: core: Fix hang in usb_kill_urb by adding memory barriers

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

kernel: blk-mq: fix IO hang from sbitmap wakeup race

A possible IO hang from sbitmap wakeup race was found in the Linux kernel. This may lead to compromised Availability...

kernel: blk-mq: fix IO hang from sbitmap wakeup race

A possible IO hang from sbitmap wakeup race was found in the Linux kernel. This may lead to compromised Availability...

kernel: blk-mq: fix IO hang from sbitmap wakeup race

A possible IO hang from sbitmap wakeup race was found in the Linux kernel. This may lead to compromised Availability...

SUSE CVE-2024-26671

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix IO hang from sbitmap wakeup race In blkmqmarktagwait, addwaitqueue may be re-ordered with the following blkmqgetdrivertag in case of getting driver tag failure. Then in sbitmapqueuewakeup, waitqueueactive may not...

CVE-2024-26671

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix IO hang from sbitmap wakeup race In blkmqmarktagwait, addwaitqueue may be re-ordered with the following blkmqgetdrivertag in case of getting driver tag failure. Then in sbitmapqueuewakeup, waitqueueactive may not...

CVE-2024-26671 blk-mq: fix IO hang from sbitmap wakeup race

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix IO hang from sbitmap wakeup race In blkmqmarktagwait, addwaitqueue may be re-ordered with the following blkmqgetdrivertag in case of getting driver tag failure. Then in sbitmapqueuewakeup, waitqueueactive may not...

CVE-2024-26671 blk-mq: fix IO hang from sbitmap wakeup race

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix IO hang from sbitmap wakeup race In blkmqmarktagwait, addwaitqueue may be re-ordered with the following blkmqgetdrivertag in case of getting driver tag failure. Then in sbitmapqueuewakeup, waitqueueactive may not...

CVE-2024-26671

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix IO hang from sbitmap wakeup race In blkmqmarktagwait, addwaitqueue may be re-ordered with the following blkmqgetdrivertag in case of getting driver tag failure. Then in sbitmapqueuewakeup, waitqueueactive may not...