Vulnerability-Lookup

GHSA-HHCF-PXCH-R4CF

Vulnerability from github – Published: 2024-05-17 15:31 – Updated: 2025-09-26 18:31

Details

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

io_uring: Fix release of pinned pages when __io_uaddr_map fails

Looking at the error path of __io_uaddr_map, if we fail after pinning the pages for any reasons, ret will be set to -EINVAL and the error handler won't properly release the pinned pages.

I didn't manage to trigger it without forcing a failure, but it can happen in real life when memory is heavily fragmented.

Severity

5.5 (Medium)


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

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  "affected": [],
  "aliases": [
    "CVE-2024-35831"
  ],
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    "cwe_ids": [
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    "severity": "MODERATE"
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  "id": "GHSA-hhcf-pxch-r4cf",
  "modified": "2025-09-26T18:31:17Z",
  "published": "2024-05-17T15:31:10Z",
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35831"
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CVE-2024-35831 (GCVE-0-2024-35831)

Vulnerability from cvelistv5 – Published: 2024-05-17 13:41 – Updated: 2026-05-23 15:43

Title

io_uring: Fix release of pinned pages when __io_uaddr_map fails

Summary

In the Linux kernel, the following vulnerability has been resolved: io_uring: Fix release of pinned pages when __io_uaddr_map fails Looking at the error path of __io_uaddr_map, if we fail after pinning the pages for any reasons, ret will be set to -EINVAL and the error handler won't properly release the pinned pages. I didn't manage to trigger it without forcing a failure, but it can happen in real life when memory is heavily fragmented.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-24 14:16 UTC

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/0b6f39c175ba5f0ef…
https://git.kernel.org/stable/c/712e2c8415f55a4a4…
https://git.kernel.org/stable/c/4d376d7ad62b6a8e8…
https://git.kernel.org/stable/c/67d1189d1095d471e…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 223ef474316466e9f61f6e0064f3a6fe4923a2c5 , < 0b6f39c175ba5f0ef72bdb3b9d2a06ad78621d62 (git) Affected: 223ef474316466e9f61f6e0064f3a6fe4923a2c5 , < 712e2c8415f55a4a4ddaa98a430b87f624109f69 (git) Affected: 223ef474316466e9f61f6e0064f3a6fe4923a2c5 , < 4d376d7ad62b6a8e8dfff56b559d9d275e5b9b3a (git) Affected: 223ef474316466e9f61f6e0064f3a6fe4923a2c5 , < 67d1189d1095d471ed7fa426c7e384a7140a5dd7 (git) Affected: 3f3164ce6396138747984ee9e61158e248246300 (git) Affected: 6.5.7 , < 6.6 (semver)
Linux	Linux	Affected: 6.6 Unaffected: 0 , < 6.6 (semver) Unaffected: 6.6.23 , ≤ 6.6.* (semver) Unaffected: 6.7.11 , ≤ 6.7.* (semver) Unaffected: 6.8.2 , ≤ 6.8.* (semver) Unaffected: 6.9 , ≤ * (original_commit_for_fix)

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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.
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