Buffer overflow in Linux Kernel
CVE-2023-28772
An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer overflow.
Vulnerability class: Buffer Overflow
EPSS: 0.007 (49.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Release Notes, Vendor Advisory)
- cve@mitre.org (Patch, Vendor Advisory)
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-28772?
- CVE-2023-28772 is a medium-severity vulnerability in Linux Kernel, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-03-23.
- How severe is CVE-2023-28772?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2023-28772 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.