Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: A signed comparison in iopollgetownership was fixed. iopollgetownership uses a signed comparison to check whether pollrefs has reached the threshold for the slowpath: c if unlikelyatomicread&req-pollrefs =...

The vulnerability of the io_poll_get_ownership() function in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the iopollgetownership function in the Linux operating system’s kernel is related to insufficient verification of data authenticity. Exploiting this vulnerability could allow an attacker to trigger a service failure...

kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership()

A flaw was found in the Linux kernel's iouring/poll component. A logic error exists in the iopollgetownership function due to an incorrect signed comparison. This flaw prevents the necessary slowpath from being triggered when the IOPOLLCANCELFLAG is set, potentially leading to unexpected behavior...

io_uring/poll: fix signed comparison in io_poll_get_ownership()

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CVE-2026-52933 io_uring/poll: fix signed comparison in io_poll_get_ownership()

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: fix signed comparison in iopollgetownership iopollgetownership uses a signed comparison to check whether pollrefs has reached the threshold for the slowpath: if unlikelyatomicread&req-pollrefs = IOPOLLREFBIAS...

CVE-2026-52933: Loop with Unreachable Exit Condition

In the Linux kernel, the following vulnerability has been resolved: iouring/poll: fix signed comparison in iopollgetownership iopollgetownership uses a signed comparison to check whether pollrefs has reached the threshold for the slowpath: if unlikelyatomicread&req-pollrefs = IOPOLLREFBIAS...