What is CVE-2023-37454?

CVE-2023-37454 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2023-37454 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-37454?

CVE-2023-37454 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-37454?

No patch is currently available for CVE-2023-37454. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-37454 actively exploited?

CVE-2023-37454 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2023-37454

Medium

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.

Package Linux Kernel

Published 2023-07-06

Last modified 2024-11-21

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2023-37454 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2023-37454 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

SUSE
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-37454
Kernel.org
https://lore.kernel.org/all/00000000000056e02f05dfb6e11a%40google.com/T/
Syzkaller
https://syzkaller.appspot.com/bug?extid=26873a72980f8fa8bc55

Exploit Mailing List Third Party Advisory
Syzkaller
https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57

Exploit Mailing List Third Party Advisory
Syzkaller
https://syzkaller.appspot.com/bug?extid=61564e5023b7229ec85d

Exploit Mailing List Third Party Advisory
Kernel patch commit
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6f861765464f43a71462d52026fbddfc858239a5
Patch

Details

CVE ID CVE-2023-37454

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2023-07-06

Modified 2024-11-21

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-37454?

CVE-2023-37454 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2023-37454 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-37454?

CVE-2023-37454 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-37454?

No patch is currently available for CVE-2023-37454. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-37454 actively exploited?

No — CVE-2023-37454 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →