UBUNTU-CVE-2026-23275

In the Linux kernel, the following vulnerability has been resolved: iouring: ensure ctx-rings is stable for task work flags manipulation If DEFERTASKRUN | SETUPTASKRUN is used and task work is added while the ring is being resized, it's possible for the OR'ing of IORINGSQTASKRUN to happen in the...

CVE-2026-23275 io_uring: ensure ctx->rings is stable for task work flags manipulation

In the Linux kernel, the following vulnerability has been resolved: iouring: ensure ctx-rings is stable for task work flags manipulation If DEFERTASKRUN | SETUPTASKRUN is used and task work is added while the ring is being resized, it's possible for the OR'ing of IORINGSQTASKRUN to happen in the...

CVE-2026-23275

In the Linux kernel, the following vulnerability has been resolved: iouring: ensure ctx-rings is stable for task work flags manipulation If DEFERTASKRUN | SETUPTASKRUN is used and task work is added while the ring is being resized, it's possible for the OR'ing of IORINGSQTASKRUN to happen in the...

CVE-2026-23275

In the Linux kernel, the following vulnerability has been resolved: iouring: ensure ctx-rings is stable for task work flags manipulation If DEFERTASKRUN | SETUPTASKRUN is used and task work is added while the ring is being resized, it's possible for the OR'ing of IORINGSQTASKRUN to happen in the...

CVE-2026-23275

CVE-2026-23275 (Linux kernel, io_uring): The issue arises when DEFER_TASKRUN | SETUP_TASKRUN are used and task work is added while the ring is resized, allowing an overlap window where IORING_SQ_TASKRUN could be OR’ed on the old/new rings during swapping. The fix adds a 2nd rings pointer, →rings_...

CVE-2026-23275 io_uring: ensure ctx->rings is stable for task work flags manipulation

In the Linux kernel, the following vulnerability has been resolved: iouring: ensure ctx-rings is stable for task work flags manipulation If DEFERTASKRUN | SETUPTASKRUN is used and task work is added while the ring is being resized, it's possible for the OR'ing of IORINGSQTASKRUN to happen in the...

io_uring/rw: free potentially allocated iovec on cache put failure

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libfuse 资源管理错误漏洞

libfuse is an open-source user-space file system development library developed by libfuse. Versions of libfuse 3.18.0 to 3.18.2 contained a resource management vulnerability. This vulnerability stemmed from issues with the iouring subsystem, where objects were reclaimed and then reused, potential...

CVE-2026-33150: Use After Free

libfuse is the reference implementation of the Linux FUSE. From version 3.18.0 to before version 3.18.2, a use-after-free vulnerability in the iouring subsystem of libfuse allows a local attacker to crash FUSE filesystem processes and potentially execute arbitrary code. When iouring thread creati...

PT-2026-26679

Name of the Vulnerable Software and Affected Versions libfuse versions 3.18.0 through 3.18.1 Description libfuse, the reference implementation of the Linux FUSE, contains a flaw in the fuse uring init queue function. A NULL pointer dereference and memory leak can occur when setting up the io urin...

CVE-2026-33179: NULL Pointer Dereference

libfuse is the reference implementation of the Linux FUSE. From version 3.18.0 to before version 3.18.2, a NULL pointer dereference and memory leak in fuseuringinitqueue allows a local user to crash the FUSE daemon or cause resource exhaustion. When numaalloclocal fails during iouring queue entry...

PT-2026-26675

Name of the Vulnerable Software and Affected Versions libfuse versions 3.18.0 through 3.18.1 Description libfuse, the reference implementation of the Linux FUSE, contains a flaw in its io uring subsystem. A use-after-free condition exists from versions 3.18.0 up to, but not including, 3.18.2. Thi...

Linux Distros Unpatched Vulnerability : CVE-2026-23263

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring/zcrx: fix page array leak d9f595b9a65e iouring/zcrx: fix leaking pages on sg init fail fixed a page leakage but didn't free the page array, release it a...

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 the instability of the ctx-rings pointer during the task work flag operation by iouring. This...

Linux Distros Unpatched Vulnerability : CVE-2026-23275

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring: ensure ctx-rings is stable for task work flags manipulation If DEFERTASKRUN | SETUPTASKRUN is used and task work is added while the ring is being...

CVE-2026-23275: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iouring: ensure ctx-rings is stable for task work flags manipulation If DEFERTASKRUN | SETUPTASKRUN is used and task work is added while the ring is being resized, it's possible for the OR'ing of IORINGSQTASKRUN to happen in the...

CVE-2026-23275

In the Linux kernel, the following vulnerability has been resolved: iouring: ensure ctx-rings is stable for task work flags manipulation If DEFERTASKRUN | SETUPTASKRUN is used and task work is added while the ring is being resized, it's possible for the OR'ing of IORINGSQTASKRUN to happen in the...

SUSE CVE-2026-23259

In the Linux kernel, the following vulnerability has been resolved: iouring/rw: free potentially allocated iovec on cache put failure If a read/write request goes through ioreqrwcleanup and has an allocated iovec attached and fails to put to the rwcache, then it may end up with an unaccounted iov...

SUSE CVE-2026-23263

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix page array leak d9f595b9a65e "iouring/zcrx: fix leaking pages on sg init fail" fixed a page leakage but didn't free the page array, release it as well...

EUVD-2026-12900

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix page array leak d9f595b9a65e "iouring/zcrx: fix leaking pages on sg init fail" fixed a page leakage but didn't free the page array, release it as well...