CVE-2021-46948
Oracle Network Fabric Switching Driver (sfc) TX Event Handling Buffer Overflow
Description
In the Linux kernel, the following vulnerability has been resolved: sfc: farch: fix TX queue lookup in TX event handling We're starting from a TXQ label, not a TXQ type, so efx_channel_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-2021-46948
.
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).
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The following list is the news that have been mention
CVE-2021-46948
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-46948
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.
-
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/35c7a83ad1bb1d48ae249346e61b1132bcbf9052 No Types Assigned https://git.kernel.org/stable/c/35c7a83ad1bb1d48ae249346e61b1132bcbf9052 Patch Changed Reference Type https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e No Types Assigned https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e Patch Changed Reference Type https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253 No Types Assigned https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253 Patch Changed Reference Type https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c No Types Assigned https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c 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 event handling We're starting from a TXQ label, not a TXQ type, so efx_channel_get_tx_queue() is inappropriate (and could return NULL, leading to panics). Added Reference Linux https://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/35c7a83ad1bb1d48ae249346e61b1132bcbf9052 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e [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-2021-46948
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-2021-46948
weaknesses.