CVE-2021-3894

kernel: sctp: local DoS: unprivileged user can cause BUG()

Published n/a CVSS 3.1 · 0.0 Low EPSS n/a KEV · Not listed

Description

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

Analysis

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

Affected Products

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a2d859e3fc97e79d907761550dbc03ff1b36479c
https://nvd.nist.gov/vuln/detail/CVE-2021-3894
https://www.cve.org/CVERecord?id=CVE-2021-3894

History

No history.

Subscriptions

No data.

Weaknesses

CWE-400
Uncontrolled Resource Consumption

Sources

CVE record Updated: Feb 12, 2023, 12:00 AM

Status: REJECTED
Assigner: redhat
Published: No published date
Updated: Feb 12, 2023, 12:00 AM
Reserved: Oct 20, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Nov 7, 2023, 3:38 AM

Status: Rejected
Published: Aug 23, 2022, 4:15 PM
Modified: Nov 7, 2023, 3:38 AM

View source JSON

Red Hat Updated: Feb 3, 2022, 5:04 AM

Severity
Public date: Feb 3, 2022, 5:04 AM

View source Bugzilla JSON

OpenCVE enrichment No data

No data.

{"bugzilla": {"description": "kernel: sctp: local DoS: unprivileged user can cause BUG()", "id": "2014970", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2014970"}, "csaw": false, "cvss3": {"cvss3_base_score": "0.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:N", "status": "draft"}, "cwe": "CWE-400", "details": ["A vulnerability was found in the Linux kernel. This flaw allows an unprivileged local user to panic the system, resulting in a denial of service by calling setsockopt(2) with specially crafted arguments. The highest threat from this vulnerability is to system availability."], "mitigation": {"lang": "en:us", "value": "As the SCTP module will be auto-loaded when required, its use can be disabled by preventing the module from loading with the following instructions:\n# echo \"install sctp /bin/true\" >> /etc/modprobe.d/disable-sctp.conf\nThe system will need to be restarted if the SCTP modules are loaded. In most circumstances, the CIFS kernel modules will be unable to be unloaded while any network interfaces are active and the protocol is in use.\nIf the system requires this module to work correctly, this mitigation may not be suitable.\nIf you need further assistance, see the KCS article https://access.redhat.com/solutions/41278 or contact Red Hat Global Support Services."}, "name": "CVE-2021-3894", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2022-02-03T05:04:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-3894\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-3894\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a2d859e3fc97e79d907761550dbc03ff1b36479c"], "statement": "This flaw was found to be a duplicate of CVE-2022-0322. Please see https://access.redhat.com/security/cve/CVE-2022-0322 for information about affected products and security errata."}

Analysis

Affected Products

Remediation

Tracking

Advisories

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact None

User Interaction Required

Subscriptions

Sources

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