Skip to content
CVE Ledger
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API docsPage
  • MCP serverPage
  • AboutPage
  • Data sourcesPage
  • Data statusPage
  • ChangelogPage
  • How it's builtPage
  • Support the projectPage

14 results

Back

CVE-2026-45995io_uring/zcrx: fix user_struct uaf

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix user_struct uaf io_free_rbuf_ring() usees a struct user_struct, which io_zcrx_ifq_free() puts it down before destroying the ring.

Timeline

  1. ID reserved

    By Linux

  2. · 14 days later

    Published

  3. · 18 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-45995, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.12% · top 98% of all CVEs (13 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • affected 5c686456a4e83ef06c74d40be05c21a0ef136684 – < 9feb88eeda6d288f93fcfb6bca563f89e316479d
    • affected 5c686456a4e83ef06c74d40be05c21a0ef136684 – < 0fcccfd87152f957fa8312b841f6efef42a05a20

  • Linux · Linux

    • affected 6.19
    • unaffected < 6.19
    • unaffected 7.0.4 – ≤ 7.0.*
    • unaffected 7.1 – ≤ *

References

References2

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-45995 badge
[![CVE-2026-45995](https://cveledger.app/badge/CVE-2026-45995.svg)](https://cveledger.app/cve/CVE-2026-45995)

Record last updated .