In the Linux kernel, the following vulnerability has been resolved: udf: Avoid using corrupted block bitmap buffer When the filesystem block bitmap is corrupted, we detect the corruption while loading the bitmap and fail the allocation with error. However the next allocation from the same bitmap will notice the bitmap buffer is already loaded and tries to allocate from the bitmap with mixed results (depending on the exact nature of the bitmap corruption). Fix the problem by using BH_verified bit to indicate whether the bitmap is valid or not.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/2199e157a465aaf98294d3932797ecd7fce942d5 cve-icon cve-icon
https://git.kernel.org/stable/c/271cab2ca00652bc984e269cf1208699a1e09cdd cve-icon cve-icon
https://git.kernel.org/stable/c/57053b3bcf3403b80db6f65aba284d7dfe7326af cve-icon cve-icon
https://git.kernel.org/stable/c/6a43e3c210df6c5f00570f4be49a897677dbcb64 cve-icon cve-icon
https://git.kernel.org/stable/c/8ca170c39eca7cad6e0cfeb24e351d8f8eddcd65 cve-icon cve-icon
https://git.kernel.org/stable/c/a90d4471146de21745980cba51ce88e7926bcc4f cve-icon cve-icon
https://git.kernel.org/stable/c/cae9e59cc41683408b70b9ab569f8654866ba914 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html cve-icon
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html cve-icon
https://lore.kernel.org/linux-cve-announce/2024081750-CVE-2024-42306-647c@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2024-42306 cve-icon
https://www.cve.org/CVERecord?id=CVE-2024-42306 cve-icon
History

Mon, 03 Nov 2025 22:30:00 +0000

Type Values Removed Values Added
References

Tue, 07 Oct 2025 20:30:00 +0000

Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00301}

 epss

{'score': 0.00245}

Fri, 25 Oct 2024 14:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20

Wed, 11 Sep 2024 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 19 Aug 2024 19:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Mon, 19 Aug 2024 04:45:00 +0000

Type Values Removed Values Added
References

Sat, 17 Aug 2024 09:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: udf: Avoid using corrupted block bitmap buffer When the filesystem block bitmap is corrupted, we detect the corruption while loading the bitmap and fail the allocation with error. However the next allocation from the same bitmap will notice the bitmap buffer is already loaded and tries to allocate from the bitmap with mixed results (depending on the exact nature of the bitmap corruption). Fix the problem by using BH_verified bit to indicate whether the bitmap is valid or not.
Title udf: Avoid using corrupted block bitmap buffer
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-08-17T09:09:11.938Z

Updated: 2025-11-03T22:04:14.937Z

Reserved: 2024-07-30T07:40:12.273Z

Link: CVE-2024-42306

cve-icon Vulnrichment

Updated: 2024-09-11T12:42:23.498Z

cve-icon NVD

Status : Modified

Published: 2024-08-17T09:15:10.777

Modified: 2025-11-03T22:17:59.910

Link: CVE-2024-42306

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-08-17T00:00:00Z

Links: CVE-2024-42306 - Bugzilla