Use After Free in Linux Kernel
CVE-2023-37454
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lore.kernel.org/all/00000000000056e02f05dfb6e11a@google.com/T/
- syzkaller.appspot.com/bug (Exploit, Mailing List, Third Party Advisory)
- syzkaller.appspot.com/bug (Exploit, Mailing List, Third Party Advisory)
- syzkaller.appspot.com/bug (Exploit, Mailing List, Third Party Advisory)
- bugzilla.suse.com/show_bug.cgi
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
Frequently asked questions
- What is CVE-2023-37454?
- CVE-2023-37454 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.5/10. Published 2023-07-06.
- How severe is CVE-2023-37454?
- Medium severity. CVSS v3 base score is 5.5 out of 10.