CVE-2023-2593

5.9 mediumEPSS 0.8%

Medium (5.9). EPSS 0.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.9 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWE: CWE-835
Published: 2025-07-30
Modified: 2026-06-29
Record from: the NVD, synced 2026-10-19

References

https://access.redhat.com/security/cve/CVE-2023-2593
https://bugzilla.redhat.com/show_bug.cgi?id=2384787
https://lore.kernel.org/lkml/CAH2r5msyEy20e=FBx6wPWWc3kXzNR4b+zHshSqidRdFKVf_7Jg@mail.gmail.com/

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