In the Linux kernel, the following vulnerability has been resolved: nilfs2: protect references to superblock parameters exposed in sysfs The superblock buffers of nilfs2 can not only be overwritten at runtime for modifications/repairs, but they are also regularly swapped, replaced during resizing, and even abandoned when degrading to one side due to backing device issues. So, accessing them requires mutual exclusion using the reader/writer semaphore "nilfs->ns_sem". Some sysfs attribute show methods read this superblock buffer without the necessary mutual exclusion, which can cause problems with pointer dereferencing and memory access, so fix it.

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:6.11:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/157c0d94b4c40887329418c70ef4edd1a8d6b4ed cve-icon cve-icon
https://git.kernel.org/stable/c/19cfeba0e4b8eda51484fcf8cf7d150418e1d880 cve-icon cve-icon
https://git.kernel.org/stable/c/683408258917541bdb294cd717c210a04381931e cve-icon cve-icon
https://git.kernel.org/stable/c/8c6e43b3d5f109cf9c61bc188fcc8175404e924f cve-icon cve-icon
https://git.kernel.org/stable/c/962562d4c70c5cdeb4e955d63ff2017c4eca1aad cve-icon cve-icon
https://git.kernel.org/stable/c/b14e7260bb691d7f563f61da07d61e3c8b59a614 cve-icon cve-icon
https://git.kernel.org/stable/c/b90beafac05931cbfcb6b1bd4f67c1923f47040e cve-icon cve-icon
https://git.kernel.org/stable/c/ba97ba173f9625d5f34a986088979eae8b80d38e cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024091849-CVE-2024-46780-9155@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2024-46780 cve-icon
https://www.cve.org/CVERecord?id=CVE-2024-46780 cve-icon
History

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

Type Values Removed Values Added
Metrics epss

{'score': 0.00055}

 epss

{'score': 0.00057}

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00052}

 epss

{'score': 0.00055}

Wed, 01 Jan 2025 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-362

Wed, 20 Nov 2024 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Sun, 29 Sep 2024 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Wed, 18 Sep 2024 16:15:00 +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

Wed, 18 Sep 2024 07:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: nilfs2: protect references to superblock parameters exposed in sysfs The superblock buffers of nilfs2 can not only be overwritten at runtime for modifications/repairs, but they are also regularly swapped, replaced during resizing, and even abandoned when degrading to one side due to backing device issues. So, accessing them requires mutual exclusion using the reader/writer semaphore "nilfs->ns_sem". Some sysfs attribute show methods read this superblock buffer without the necessary mutual exclusion, which can cause problems with pointer dereferencing and memory access, so fix it.
Title nilfs2: protect references to superblock parameters exposed in sysfs
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-09-18T07:12:36.736Z

Updated: 2025-05-04T09:34:07.643Z

Reserved: 2024-09-11T15:12:18.276Z

Link: CVE-2024-46780

cve-icon Vulnrichment

Updated: 2024-09-29T14:38:20.261Z

cve-icon NVD

Status : Analyzed

Published: 2024-09-18T08:15:05.473

Modified: 2024-11-20T17:31:54.440

Link: CVE-2024-46780

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-09-18T00:00:00Z

Links: CVE-2024-46780 - Bugzilla