CVE-2021-46949
Arraya Networks SFC TX Queue Lookup Array Indexing Vulnerability
Description
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).
INFO
Published Date :
Feb. 27, 2024, 7:04 p.m.
Last Modified :
April 10, 2024, 8:14 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-46949.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-46949 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-46949 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 10, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://git.kernel.org/stable/c/5b1faa92289b53cad654123ed2bc8e10f6ddd4ac No Types Assigned https://git.kernel.org/stable/c/5b1faa92289b53cad654123ed2bc8e10f6ddd4ac Patch Changed Reference Type https://git.kernel.org/stable/c/98d91180748986bfb6dfb3e72765f3225719a647 No Types Assigned https://git.kernel.org/stable/c/98d91180748986bfb6dfb3e72765f3225719a647 Patch Changed Reference Type https://git.kernel.org/stable/c/a1570985ec04116cc665b760faf666a104154170 No Types Assigned https://git.kernel.org/stable/c/a1570985ec04116cc665b760faf666a104154170 Patch Changed Reference Type https://git.kernel.org/stable/c/fb791572d6747ef385f628450f8d57cd132e6e5a No Types Assigned https://git.kernel.org/stable/c/fb791572d6747ef385f628450f8d57cd132e6e5a Patch Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10.0 up to (excluding) 5.10.36 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11.0 up to (excluding) 5.11.20 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12.0 up to (excluding) 5.12.3 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 27, 2024
Action Type Old Value New Value Added Description 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). Added Reference Linux https://git.kernel.org/stable/c/fb791572d6747ef385f628450f8d57cd132e6e5a [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/a1570985ec04116cc665b760faf666a104154170 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/98d91180748986bfb6dfb3e72765f3225719a647 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/5b1faa92289b53cad654123ed2bc8e10f6ddd4ac [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-46949 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-46949
weaknesses.