CVE-2021-47048
spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op
Description
In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op When handling op->addr, it is using the buffer "tmpbuf" which has been freed. This will trigger a use-after-free KASAN warning. Let's use temporary variables to store op->addr.val and op->cmd.opcode to fix this issue.
INFO
Published Date :
Feb. 28, 2024, 9:15 a.m.
Last Modified :
Dec. 9, 2024, 7:05 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- There is no known solution at this time.
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-2021-47048.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47048 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-2021-47048
weaknesses.
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-2021-47048 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47048 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.
-
Initial Analysis by [email protected]
Dec. 09, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10 up to (excluding) 5.10.37 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.11.21 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12 up to (excluding) 5.12.4 Changed Reference Type https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a No Types Assigned https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a Patch Changed Reference Type https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a No Types Assigned https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a Patch Changed Reference Type https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c No Types Assigned https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c Patch Changed Reference Type https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c No Types Assigned https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c Patch Changed Reference Type https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 No Types Assigned https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 Patch Changed Reference Type https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 No Types Assigned https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 Patch Changed Reference Type https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62 No Types Assigned https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62 Patch Changed Reference Type https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62 No Types Assigned https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62 Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a Added Reference https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c Added Reference https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 Added Reference https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62 -
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 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Feb. 28, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op When handling op->addr, it is using the buffer "tmpbuf" which has been freed. This will trigger a use-after-free KASAN warning. Let's use temporary variables to store op->addr.val and op->cmd.opcode to fix this issue. Added Reference Linux https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62 [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c [No types assigned] Added Reference Linux https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 [No types assigned]