CVE-2023-37454

Name: CVE-2023-37454
Creator: NVD / NIST
Published: 2023-07-06T17:15:14.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2023-37454 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered in the Linux kernel through 6.4.2. A crafted UDF filesystem image causes a use-after-free write operation in the udf_put_super and udf_close_lvid functions in fs/udf/super.c. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Linux kernel through 6.4.2. A crafted UDF filesystem image causes a use-after-free write operation in the udf_put_super and udf_close_lvid functions in fs/udf/super.c. NOTE: the suse.com reference has a different perspective about this.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.36%

28.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 6.4.2

References

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-37454
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6f861765464f43a71462d52026fbddfc858239a5
https://lore.kernel.org/all/00000000000056e02f05dfb6e11a%40google.com/T/
https://syzkaller.appspot.com/bug?extid=26873a72980f8fa8bc55Exploit, Mailing List, Third Party Advisory
https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57Exploit, Mailing List, Third Party Advisory
https://syzkaller.appspot.com/bug?extid=61564e5023b7229ec85dExploit, Mailing List, Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-37454
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6f861765464f43a71462d52026fbddfc858239a5
https://lore.kernel.org/all/00000000000056e02f05dfb6e11a%40google.com/T/
https://syzkaller.appspot.com/bug?extid=26873a72980f8fa8bc55Exploit, Mailing List, Third Party Advisory
https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57Exploit, Mailing List, Third Party Advisory
https://syzkaller.appspot.com/bug?extid=61564e5023b7229ec85dExploit, Mailing List, Third Party Advisory

Timeline

Published: Jul 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-37454?

How severe is CVE-2023-37454?

CVE-2023-37454 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2023-37454?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-37454?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST