What is CVE-2023-3159?

CVE-2023-3159 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 6.7/10. Published 2023-06-12.

How severe is CVE-2023-3159?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Is CVE-2023-3159 known to be exploited?

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

Use After Free in Linux Kernel

CVE-2023-3159

A use after free issue was discovered in driver/firewire in outbound_phy_packet_callback in the Linux Kernel. In this flaw a local attacker with special privilege may cause a use after free problem when queue_event() fails.

Vulnerability class: Use-After-Free

EPSS: 0.002 (12.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux Linux_kernel — versions 5.18
N/a Kernel — versions Kernel version prior to Kernel 5.18-rc6

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

ethan42/linux-ieee1394

References

secalert@redhat.com (Patch)

Frequently asked questions

What is CVE-2023-3159?: CVE-2023-3159 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 6.7/10. Published 2023-06-12.
How severe is CVE-2023-3159?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2023-3159 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.