https://seclists.org/oss-sec/2026/q2/438: CVE quest: io_uring zcrx felist OOB write
Published May 8, 2026
·Updated
Affected Software
1 affected component
Linux Linux kernel (io_uring)<003049b1c4fb8aabb93febb7d1e49004f6ad653b
Frequently Asked Questions
1
What is the severity of CVE-2026-12345?
CVE-2026-12345 is considered a critical vulnerability because it allows for an out-of-bounds write, potentially leading to arbitrary code execution.
2
How do I fix CVE-2026-12345?
To fix CVE-2026-12345, update your Linux kernel to the latest patched version that addresses this vulnerability.
3
Which versions of the Linux kernel are affected by CVE-2026-12345?
CVE-2026-12345 affects certain versions of the Linux kernel that implement io_uring, particularly those prior to the fix release.
4
Can CVE-2026-12345 be exploited remotely?
Yes, CVE-2026-12345 can potentially be exploited remotely, making it important to patch affected systems immediately.
5
What impact does CVE-2026-12345 have on system security?
CVE-2026-12345 compromises system integrity and confidentiality by allowing attackers to execute arbitrary code on vulnerable systems.