boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2023-52656MEDIUM
Linux Linux — io_uring: drop any code related to SCM_RIGHTS
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0031   23.5     —
AFFECTED
  Product  Versions                                    Fixed
  Linux    2b188cc1bb857a9d4701ae59aa7768b5124e262e –  —
  Linux    5.1 –                                       5.4.273
TIMELINE
  Mar 6   Reserved by Linux
  May 13  Published (CNA: Linux)
  Aug 4   RESCORED — CVE-2023-52656 (Linux). CVSS 7.8 → 5.5 (NVD).
CNA: Linux · CVSS v3.1 · 8 references · NVD status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring: drop any code related to SCM_RIGHTS This is dead code after we dropped support for passing io_uring fds over SCM_RIGHTS, get rid of it.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
March 6, 2024ReservedReserved by Linux
May 13, 2024PublishedPublished (CNA: Linux)
August 4, 2026RESCOREDRESCORED — CVE-2023-52656 (Linux). CVSS 7.8 → 5.5 (NVD).

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinux2b188cc1bb857a9d4701ae59aa7768b5124e262e
LinuxLinux5.15.4.273

References (8)

Related

Authoritative record: CVE-2023-52656 at cve.org

Vendors: linux

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-52656 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.