CVE-2023-2593

MEDIUM

CVSS v3.1: 5.9 · EPSS: 0.0068 (47.6 percentile)

NetworkNo privilegesNo user interaction

Source data as of:

At a glance

Severity
MEDIUM
CVSS
5.9 v3.1 · NVD
EPSS
0.0068 (47.6 percentile) · FIRST.org
CISA KEV
No
Attack conditions (CVSS vector)
NetworkNo privilegesNo user interaction · Source: NVD Vector
Published
2025-07-30 · Modified: 2026-06-25
References
Jump to references (3)

CVSS / EPSS / KEV

CVSS v3.1 5.9 / 10 MEDIUM Source: NVD
EPSS 0.0068 47.6 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

A flaw exists within the Linux kernel's handling of new TCP connections. The issue results from the lack of memory release after its effective lifetime. This vulnerability allows an unauthenticated attacker to create a denial of service condition on the system.

Record details

CVE ID
CVE-2023-2593
CVSS (v3.1)
5.9 (MEDIUM)
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability subscore
2.2
Impact subscore
3.6
EPSS
0.0068 (47.6 percentile) — 2026-06-26
CISA KEV
No
Weakness (CWE)
CWE-835
Affected configurations (CPE)
0
Published
2025-07-30
Modified
2026-06-25
Status
Deferred

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2026-54904 HIGH CVSS 8.2 CVE-2026-4598 HIGH CVSS 7.5 CVE-2026-10642 MEDIUM CVSS 6.5 CVE-2026-45864 MEDIUM CVSS 5.5

Published the same year

CVE-2023-27971 CRITICAL CVSS 9.8 CVE-2023-27972 CRITICAL CVSS 9.8 CVE-2023-27973 CRITICAL CVSS 9.8 CVE-2023-35175 CRITICAL CVSS 9.8
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