What is CVE-2023-1859?

CVE-2023-1859 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 4.7/10. Published 2023-05-17.

How severe is CVE-2023-1859?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Use After Free in Linux Kernel

CVE-2023-1859

A use-after-free flaw was found in xen_9pfs_front_removet in net/9p/trans_xen.c in Xen transport for 9pfs in the Linux Kernel. This flaw could allow a local attacker to crash the system due to a race problem, possibly leading to a kernel information leak.

Vulnerability class: Use-After-Free

EPSS: 0.002 (7.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux Linux_kernel — versions 6.3
N/a Kernel — versions Kernel version prior to 6.3-rc7

Weakness classification (CWE)

CWE-416 — Use After Free

References

secalert@redhat.com

Frequently asked questions

What is CVE-2023-1859?: CVE-2023-1859 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 4.7/10. Published 2023-05-17.
How severe is CVE-2023-1859?: Medium severity. CVSS v3 base score is 4.7 out of 10.