Vulnerability-Lookup

GHSA-9787-F568-7RR2

Vulnerability from github – Published: 2023-06-28 21:30 – Updated: 2025-02-13 18:31

Details

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.

Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.

We recommend upgrading past commit 4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable.

Severity

5.5 (Medium)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2023-3389"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-06-28T20:15:09Z",
    "severity": "HIGH"
  },
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  "id": "GHSA-9787-f568-7rr2",
  "modified": "2025-02-13T18:31:40Z",
  "published": "2023-06-28T21:30:29Z",
  "references": [
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      "url": "https://kernel.dance/ef7dfac51d8ed961b742218f526bd589f3900a59"
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      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-3389 (GCVE-0-2023-3389)

Vulnerability from cvelistv5 – Published: 2023-06-28 19:33 – Updated: 2025-03-05 18:55

Title

Use after free in io_uring in the Linux Kernel

Summary

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).

Severity

7.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-05 18:36 UTC

CWE

CWE-416 - Use After Free

Assigner

Google Google root

References

10 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/s…	patch
https://git.kernel.org/pub/scm/linux/kernel/git/s…	patch
https://kernel.dance/0e388fce7aec40992eadee654193…
https://kernel.dance/4716c73b188566865bdd79c3a670…
https://git.kernel.org/pub/scm/linux/kernel/git/t…	patch
https://kernel.dance/ef7dfac51d8ed961b742218f526b…
https://security.netapp.com/advisory/ntap-2023073…
https://www.debian.org/security/2023/dsa-5480
http://packetstormsecurity.com/files/174577/Kerne…
https://lists.debian.org/debian-lts-announce/2023…

Impacted products

1 product

Vendor	Product	Version
Linux	Kernel	Affected: 5.13 , < 6.4 (custom) Affected: 5.10.162 , < 5.10.185 (custom)

Date Public

2023-06-18 02:21

Credits

Querijn Voet

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.