https://seclists.org/oss-sec/2026/q2/535: Logic bug in the Linux kernel's __ptrace_may_access() function
Published May 15, 2026
·Updated
Affected Software
1 affected component
The Linux Foundation Linux Kernel
Frequently Asked Questions
1
What is the severity of CVE-2026-12345?
The severity of CVE-2026-12345 has been rated as high due to the potential for exploitation.
2
How do I fix CVE-2026-12345?
To mitigate CVE-2026-12345, users are advised to update to the latest patched version of the Linux kernel.
3
What does CVE-2026-12345 affect?
CVE-2026-12345 affects the Linux kernel's __ptrace_may_access() function, which can lead to privilege escalation.
4
Is there a temporary workaround for CVE-2026-12345?
Yes, setting the kernel.yama.ptrace_scope to a restrictive level may serve as a temporary workaround for CVE-2026-12345.
5
When was CVE-2026-12345 published?
CVE-2026-12345 was published on May 15, 2026.