Cyber Resilience

CVE-2023-28772

Medium

Published: 23 March 2023

Published
23 March 2023
Modified
05 May 2025
KEV Added
—
Patch
—
CVSS Score v3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0021 44.0th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-28772 is a medium-severity Classic Buffer Overflow (CWE-120) vulnerability in Linux Linux Kernel. Its CVSS base score is 6.7 (Medium).

Operationally, ranked at the 44.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in the Linux kernel before 5.13.3. lib/seq_buf.c has a seq_buf_putmem_hex buffer overflow.

CWE(s)
CWE-120

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

linux
linux kernel
2.6.27 — 4.4.276 · 4.5 — 4.9.276 · 4.10 — 4.14.240

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References