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

mm, slub: fix potential memoryleak in kmem_cache_open()

In error path, the random_seq of slub cache might be leaked. Fix this
by using __kmem_cache_release() to release all the relevant resources.

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.

The EPSS score is 0.00028.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
210e7a43fa905bccafa9bb5966fba1d71f33eb8b affected < 4f5d1c29cfab5cb0ab885059818751bdef32e2bb
210e7a43fa905bccafa9bb5966fba1d71f33eb8b affected < 568f906340b43120abd6fcc67c37396482f85930
210e7a43fa905bccafa9bb5966fba1d71f33eb8b affected < 42b81946e3ac9ea0372ba16e05160dc11e02694f
210e7a43fa905bccafa9bb5966fba1d71f33eb8b affected < 9037c57681d25e4dcc442d940d6dbe24dd31f461
Linux Linux affected
Version Status Constraints
4.8 affected —
0 unaffected < 4.8
5.4.156 unaffected ≤ 5.4.*
5.10.76 unaffected ≤ 5.10.*
5.14.15 unaffected ≤ 5.14.*
5.15 unaffected ≤ *

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:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*
Package CPE Advisory Released Date
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10 cpe:/a:redhat:enterprise_linux:8::nfv RHSA-2024:7001 2024-09-24T00:00:00Z
kernel-0:4.18.0-553.22.1.el8_10 cpe:/o:redhat:enterprise_linux:8 RHSA-2024:7000 2024-09-24T00:00:00Z

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f cve-icon cve-icon
https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb cve-icon cve-icon
https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930 cve-icon cve-icon
https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024052227-CVE-2021-47466-ff03@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-47466 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-47466 cve-icon
History

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

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-401
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.15:rc6:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'}

 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'}

Mon, 04 Nov 2024 12:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Tue, 24 Sep 2024 11:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:8

Tue, 24 Sep 2024 06:30:00 +0000

Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/a:redhat:enterprise_linux:8::nfv
Vendors & Products Redhat
Redhat enterprise Linux

Thu, 12 Sep 2024 08:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T07:11:35.715Z

Reserved: 2024-05-22T06:20:56.198Z

Link: CVE-2021-47466

cve-icon Vulnrichment

Updated: 2024-08-04T05:39:59.454Z

cve-icon NVD

Status : Analyzed

Published: 2024-05-22T07:15:11.450

Modified: 2025-01-07T20:13:41.913

Link: CVE-2021-47466

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-05-22T00:00:00Z

Links: CVE-2021-47466 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses