Buffer overflow in Linux

CVE-2024-38577

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix show_rcu_tasks_trace_gp_kthread buffer overflow There is a possibility of buffer overflow in show_rcu_tasks_trace_gp_kthread() if counters, passed to sprintf() are huge. Counter numbers, needed for this are unrealistically high, but buffer overflow is still possible. Use snprintf() with buffer size instead of sprintf(). Found by Linux Verification Center (linuxtesting.org) with SVACE.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (17.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-38577?
CVE-2024-38577 is a high-severity vulnerability in Linux, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.0/10. Published 2024-06-19.
How severe is CVE-2024-38577?
High severity. CVSS v3 base score is 7.0 out of 10.