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CVE-2021-47048

UNKNOWN
Published 2024-02-28T08:13:51.551Z
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No CVSS data available

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e 1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e 1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e 1c26372e5aa9e53391a1f8fe0dc7cd93a7e5ba9e
Linux

Linux

Affected Versions:

5.10 0 5.10.37 5.11.21 5.12.4 5.13

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-hhq7-4gxq-q8mp

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-47048
WEB https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a
WEB https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c
WEB https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58
WEB https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62

Advisory provided by GitHub Security Advisory Database. Published: February 28, 2024, Modified: December 9, 2024

References

https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a
https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62
https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c
https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58
Published: 2024-02-28T08:13:51.551Z
Last Modified: 2025-05-04T07:03:08.916Z
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