CVE-2023-37454

low-risk
Published 2023-07-06

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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (12)

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-37454
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6f861...
https://lore.kernel.org/all/00000000000056e02f05dfb6e11a%40google.com/T/
Exploit https://syzkaller.appspot.com/bug?extid=26873a72980f8fa8bc55
Exploit https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57
Exploit https://syzkaller.appspot.com/bug?extid=61564e5023b7229ec85d
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-37454
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6f861...
https://lore.kernel.org/all/00000000000056e02f05dfb6e11a%40google.com/T/
Exploit https://syzkaller.appspot.com/bug?extid=26873a72980f8fa8bc55
Exploit https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57
Exploit https://syzkaller.appspot.com/bug?extid=61564e5023b7229ec85d
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal