What is CVE-2023-5717?

CVE-2023-5717 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-10-25.

How severe is CVE-2023-5717?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2023-5717 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Linux Kernel

CVE-2023-5717

A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events (perf) component can be exploited to achieve local privilege escalation. If perf_read_group() is called while an event's sibling_list is smalle…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (51.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux Kernel — versions 4.4

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-5717?: CVE-2023-5717 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-10-25.
How severe is CVE-2023-5717?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-5717 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.