CVE-2022-23089

Medium

Description

When dumping core and saving process information, proc_getargv() might return an sbuf which have a sbuf_len() of 0 or -1, which is not properly handled. An out-of-bound read can happen when user constructs a specially crafted ps_string, which in turn can cause the kernel to crash.

SeverityMedium

CVSS4.7

Exploit probability7. percentile0.2%

Product

Freebsd

PublishedFeb 15, 2024

First seenFeb 15, 2024

Weakness typeCWE-125Out-of-bounds read

How to fix

Update

freebsd freebsd12.3, 13.0 or later

Vendor advisories

security.freebsd.org/advisories/FreeBSD-SA-22:09.elf.asc

Affected products

Product	Affected versions	Fixed in
freebsd freebsd	v < 12.3, 12.4 ≤ v < 13.0, 12.3, 13.0, 13.1	12.3, 13.0

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