Vulnerability-Lookup

GHSA-XWJP-H426-22VM

Vulnerability from github – Published: 2026-09-17 18:32 – Updated: 2026-09-17 18:32

Details

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

isofs: release zisofs block pointer buffer head

zisofs_fill_pages() reads the compressed block pointer table. The error paths release the current buffer_head, the loop also releases the old buffer_head when it advances. However, the success path leaves the last buffer_head referenced. Release it before returning success.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-90434"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-17T17:17:48Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nisofs: release zisofs block pointer buffer head\n\nzisofs_fill_pages() reads the compressed block pointer table.  The error\npaths release the current buffer_head, the loop also releases the old\nbuffer_head when it advances. However, the success path leaves the last\nbuffer_head referenced. Release it before returning success.",
  "id": "GHSA-xwjp-h426-22vm",
  "modified": "2026-09-17T18:32:05Z",
  "published": "2026-09-17T18:32:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90434"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c2c54a7d174edc845f7bae24179fe72a926d10f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/106e1a3b2b3454fbda63a59e9290cb9a253f81aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3371d30a97a257b7b5f2c8009612e9d452180f0a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5677737c2cedf417c0fcf61540b9cef0e62273d4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dbcc7d1b818162aeab2e97fd217d86546d9fde15"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ec33e6b7a1de20d7e623b12633191a855445657d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f2a1611065c700a374b31c5cc8a7587f5e3bfe73"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-90434 (GCVE-0-2026-90434)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:09 – Updated: 2026-09-17 16:09

Title

isofs: release zisofs block pointer buffer head

Summary

In the Linux kernel, the following vulnerability has been resolved: isofs: release zisofs block pointer buffer head zisofs_fill_pages() reads the compressed block pointer table. The error paths release the current buffer_head, the loop also releases the old buffer_head when it advances. However, the success path leaves the last buffer_head referenced. Release it before returning success.

Severity

No CVSS data available.

Assigner

Linux mitre root Scorecard

References

8 references

URL	Tags
https://git.kernel.org/stable/c/dbcc7d1b818162aea…
https://git.kernel.org/stable/c/ec33e6b7a1de20d7e…
https://git.kernel.org/stable/c/0c2c54a7d174edc84…
https://git.kernel.org/stable/c/5677737c2cedf417c…
https://git.kernel.org/stable/c/f2a1611065c700a37…
https://git.kernel.org/stable/c/106e1a3b2b3454fbd…
https://git.kernel.org/stable/c/3371d30a97a257b7b…
https://git.kernel.org/stable/c/2f7dd9b86fe407605…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 59bc055211b8d266ab6089158058bf8268e02006 , < dbcc7d1b818162aeab2e97fd217d86546d9fde15 (git) Affected: 59bc055211b8d266ab6089158058bf8268e02006 , < ec33e6b7a1de20d7e623b12633191a855445657d (git) Affected: 59bc055211b8d266ab6089158058bf8268e02006 , < 0c2c54a7d174edc845f7bae24179fe72a926d10f (git) Affected: 59bc055211b8d266ab6089158058bf8268e02006 , < 5677737c2cedf417c0fcf61540b9cef0e62273d4 (git) Affected: 59bc055211b8d266ab6089158058bf8268e02006 , < f2a1611065c700a374b31c5cc8a7587f5e3bfe73 (git) Affected: 59bc055211b8d266ab6089158058bf8268e02006 , < 106e1a3b2b3454fbda63a59e9290cb9a253f81aa (git) Affected: 59bc055211b8d266ab6089158058bf8268e02006 , < 3371d30a97a257b7b5f2c8009612e9d452180f0a (git) Affected: 59bc055211b8d266ab6089158058bf8268e02006 , < 2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e (git)
Linux	Linux	Affected: 2.6.33 Unaffected: 0 , < 2.6.33 (semver) Unaffected: 5.10.270 , ≤ 5.10.* (semver) Unaffected: 5.15.221 , ≤ 5.15.* (semver) Unaffected: 6.1.188 , ≤ 6.1.* (semver) Unaffected: 6.6.157 , ≤ 6.6.* (semver) Unaffected: 6.12.110 , ≤ 6.12.* (semver) Unaffected: 6.18.52 , ≤ 6.18.* (semver) Unaffected: 7.2.6 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/isofs/compress.c"
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            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
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            },
            {
              "lessThanOrEqual": "5.15.*",
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              "version": "7.3-rc1",
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        }
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      "providerMetadata": {
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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.

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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GHSA-XWJP-H426-22VM

CVE-2026-90434 (GCVE-0-2026-90434)

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