What is the severity of CVE-2021-47048?

CVE-2021-47048 has a severity rating that indicates a potential for significant impact due to a use-after-free vulnerability.

How do I fix CVE-2021-47048?

To fix CVE-2021-47048, upgrade your Linux kernel to a version later than 5.10.37, 5.11.21, or 5.12.4.

Which versions of the Linux kernel are affected by CVE-2021-47048?

CVE-2021-47048 affects Linux kernel versions between 5.10 and 5.10.37, 5.11 and 5.11.21, and 5.12 and 5.12.4.

What type of vulnerability is CVE-2021-47048?

CVE-2021-47048 is classified as a use-after-free vulnerability in the Linux kernel.

Is CVE-2021-47048 exploitable remotely?

There is potential for exploitation if the vulnerability is triggered in a specific environment, but it primarily affects local operations.

Vulnerability/
CVE-2021-47048

high

7.8

CWE

416

28/2/2024

19/12/2024

CVE-2021-47048: spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op

First published: Wed Feb 28 2024(Updated: )

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.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Affected Software	Affected Version	How to fix
Linux Kernel	>=5.10<5.10.37
Linux Kernel	>=5.11<5.11.21
Linux Kernel	>=5.12<5.12.4

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-47048?
CVE-2021-47048 has a severity rating that indicates a potential for significant impact due to a use-after-free vulnerability.
How do I fix CVE-2021-47048?
To fix CVE-2021-47048, upgrade your Linux kernel to a version later than 5.10.37, 5.11.21, or 5.12.4.
Which versions of the Linux kernel are affected by CVE-2021-47048?
CVE-2021-47048 affects Linux kernel versions between 5.10 and 5.10.37, 5.11 and 5.11.21, and 5.12 and 5.12.4.
What type of vulnerability is CVE-2021-47048?
CVE-2021-47048 is classified as a use-after-free vulnerability in the Linux kernel.
Is CVE-2021-47048 exploitable remotely?
There is potential for exploitation if the vulnerability is triggered in a specific environment, but it primarily affects local operations.

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agent/references
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agent/first-publish-date
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collector/mitre-cve
source/MITRE
agent/weakness
agent/last-modified-date
agent/source
agent/tags
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/software-canonical-lookup-request
vendor/linux
canonical/linux kernel
version/linux kernel/5.10
version/linux kernel/5.11
version/linux kernel/5.12

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Frequently Asked Questions

What is the severity of CVE-2021-47048?
CVE-2021-47048 has a severity rating that indicates a potential for significant impact due to a use-after-free vulnerability.
How do I fix CVE-2021-47048?
To fix CVE-2021-47048, upgrade your Linux kernel to a version later than 5.10.37, 5.11.21, or 5.12.4.
Which versions of the Linux kernel are affected by CVE-2021-47048?
CVE-2021-47048 affects Linux kernel versions between 5.10 and 5.10.37, 5.11 and 5.11.21, and 5.12 and 5.12.4.
What type of vulnerability is CVE-2021-47048?
CVE-2021-47048 is classified as a use-after-free vulnerability in the Linux kernel.
Is CVE-2021-47048 exploitable remotely?
There is potential for exploitation if the vulnerability is triggered in a specific environment, but it primarily affects local operations.

CVE-2021-47048: spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op

Remedy

Remedy

Remedy

Remedy

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-47048?

How do I fix CVE-2021-47048?

Which versions of the Linux kernel are affected by CVE-2021-47048?

What type of vulnerability is CVE-2021-47048?

Is CVE-2021-47048 exploitable remotely?

Company

Resources

Contact

Frequently Asked Questions

What is the severity of CVE-2021-47048?

How do I fix CVE-2021-47048?

Which versions of the Linux kernel are affected by CVE-2021-47048?

What type of vulnerability is CVE-2021-47048?

Is CVE-2021-47048 exploitable remotely?