Vulnerability-Lookup

GHSA-FXX9-Q7VV-G6P2

Vulnerability from github – Published: 2024-07-29 15:30 – Updated: 2025-11-04 00:31

Details

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

null_blk: fix validation of block size

Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check.

Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1].

[axboe: remove unnecessary braces and != 0 check]

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-2024-41077"
  ],
  "database_specific": {
    "cwe_ids": [
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    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-29T15:15:15Z",
    "severity": "MODERATE"
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  "id": "GHSA-fxx9-q7vv-g6p2",
  "modified": "2025-11-04T00:31:03Z",
  "published": "2024-07-29T15:30:47Z",
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      "type": "CVSS_V3"
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CVE-2024-41077 (GCVE-0-2024-41077)

Vulnerability from cvelistv5 – Published: 2024-07-29 14:57 – Updated: 2026-05-11 20:25

Title

null_blk: fix validation of block size

Summary

In the Linux kernel, the following vulnerability has been resolved: null_blk: fix validation of block size Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. [axboe: remove unnecessary braces and != 0 check]

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

Assigner

Linux

References

7 references

URL	Tags
https://git.kernel.org/stable/c/9625afe1dd4a158a1…
https://git.kernel.org/stable/c/9b873bdaae64bddad…
https://git.kernel.org/stable/c/2772ed2fc075eef7d…
https://git.kernel.org/stable/c/08f03186b96e25e31…
https://git.kernel.org/stable/c/f92409a9da02f27d0…
https://git.kernel.org/stable/c/c462ecd659b5fce73…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: cedcafad8277b3a07e90bf2f68fff5c6b28a183e , < 9625afe1dd4a158a14bb50f81af9e2dac634c0b1 (git) Affected: cedcafad8277b3a07e90bf2f68fff5c6b28a183e , < 9b873bdaae64bddade9d8c6df23c8a31948d47d0 (git) Affected: cedcafad8277b3a07e90bf2f68fff5c6b28a183e , < 2772ed2fc075eef7df3789906fc9dae01e4e132e (git) Affected: cedcafad8277b3a07e90bf2f68fff5c6b28a183e , < 08f03186b96e25e3154916a2e70732557c770ea7 (git) Affected: cedcafad8277b3a07e90bf2f68fff5c6b28a183e , < f92409a9da02f27d05d713bff5f865e386cef9b3 (git) Affected: cedcafad8277b3a07e90bf2f68fff5c6b28a183e , < c462ecd659b5fce731f1d592285832fd6ad54053 (git)
Linux	Linux	Affected: 4.14 Unaffected: 0 , < 4.14 (semver) Unaffected: 5.10.223 , ≤ 5.10.* (semver) Unaffected: 5.15.164 , ≤ 5.15.* (semver) Unaffected: 6.1.101 , ≤ 6.1.* (semver) Unaffected: 6.6.42 , ≤ 6.6.* (semver) Unaffected: 6.9.11 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix)

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JSON

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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.

Action not permitted

GHSA-FXX9-Q7VV-G6P2

CVE-2024-41077 (GCVE-0-2024-41077)

Tags

Sightings

Nomenclature