CVE-2021-46949 - Vulnerability Details - OpenCVE

In the Linux kernel, the following vulnerability has been resolved: sfc: farch: fix TX queue lookup in TX flush done handling We're starting from a TXQ instance number ('qid'), not a TXQ type, so efx_get_tx_queue() is inappropriate (and could return NULL, leading to panics).

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

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::::::::

No data.

References

Link	Providers
https://git.kernel.org/stable/c/5b1faa92289b53cad654123ed2bc8e10f6ddd4ac
https://git.kernel.org/stable/c/98d91180748986bfb6dfb3e72765f3225719a647
https://git.kernel.org/stable/c/a1570985ec04116cc665b760faf666a104154170
https://git.kernel.org/stable/c/fb791572d6747ef385f628450f8d57cd132e6e5a
https://lore.kernel.org/linux-cve-announce/[email protected]/T/#u
https://nvd.nist.gov/vuln/detail/CVE-2021-46949
https://www.cve.org/CVERecord?id=CVE-2021-46949

History

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'}`

Wed, 11 Sep 2024 18:30:00 +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'}`

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-02-27T18:40:33.496Z

Updated: 2025-05-04T07:00:59.755Z

Reserved: 2024-02-25T13:45:52.722Z

Link: CVE-2021-46949

Vulnrichment

Updated: 2024-08-04T05:17:43.114Z

NVD

Status : Modified

Published: 2024-02-27T19:04:06.373

Modified: 2024-11-21T06:35:00.553

Link: CVE-2021-46949

Redhat

Severity : Low

Publid Date: 2024-02-27T00:00:00Z

Links: CVE-2021-46949 - Bugzilla

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