github - ghsa-qj2f-x8m5-rrr3

GHSA-QJ2F-X8M5-RRR3

Vulnerability from github – Published: 2025-03-12 12:30 – Updated: 2025-03-13 21:31

Details

In the Linux kernel, the following vulnerability has been resolved:

io_uring: prevent opcode speculation

sqe->opcode is used for different tables, make sure we santitise it against speculations.

Severity ?

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-21863"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-03-12T10:15:19Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: prevent opcode speculation\n\nsqe-\u003eopcode is used for different tables, make sure we santitise it\nagainst speculations.",
  "id": "GHSA-qj2f-x8m5-rrr3",
  "modified": "2025-03-13T21:31:18Z",
  "published": "2025-03-12T12:30:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21863"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1e988c3fe1264708f4f92109203ac5b1d65de50b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/506b9b5e8c2d2a411ea8fe361333f5081c56d23a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b9826e3b26ec031e9063f64a7c735449c43955e4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fdbfd52bd8b85ed6783365ff54c82ab7067bd61b"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-21863 (GCVE-0-2025-21863)

Vulnerability from cvelistv5 – Published: 2025-03-12 09:42 – Updated: 2025-10-01 19:26

Summary

In the Linux kernel, the following vulnerability has been resolved: io_uring: prevent opcode speculation sqe->opcode is used for different tables, make sure we santitise it against speculations.

Severity ?

7.8 (High)


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

CWE

CWE-noinfo Not enough information

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/b9826e3b26ec031e9…
	https://git.kernel.org/stable/c/506b9b5e8c2d2a411…
	https://git.kernel.org/stable/c/fdbfd52bd8b85ed67…
	https://git.kernel.org/stable/c/1e988c3fe1264708f…

Impacted products

Vendor

Product

Version

Linux

Affected: d3656344fea0339fb0365c8df4d2beba4e0089cd , < b9826e3b26ec031e9063f64a7c735449c43955e4 (git)
Affected: d3656344fea0339fb0365c8df4d2beba4e0089cd , < 506b9b5e8c2d2a411ea8fe361333f5081c56d23a (git)
Affected: d3656344fea0339fb0365c8df4d2beba4e0089cd , < fdbfd52bd8b85ed6783365ff54c82ab7067bd61b (git)
Affected: d3656344fea0339fb0365c8df4d2beba4e0089cd , < 1e988c3fe1264708f4f92109203ac5b1d65de50b (git)

Linux

Affected: 5.6
Unaffected: 0 , < 5.6 (semver)
Unaffected: 6.6.80 , ≤ 6.6.* (semver)
Unaffected: 6.12.17 , ≤ 6.12.* (semver)
Unaffected: 6.13.5 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-QJ2F-X8M5-RRR3

CVE-2025-21863 (GCVE-0-2025-21863)

Tags

Sightings

Nomenclature