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CVE
PUBLISHED

CVE-2023-52647

media: nxp: imx8-isi: Check whether crossbar pad is non-NULL before access

AssignerLinux
Reserved2024-03-06
Published2024-05-01
Updated2024-07-05

Description

In the Linux kernel, the following vulnerability has been resolved: media: nxp: imx8-isi: Check whether crossbar pad is non-NULL before access When translating source to sink streams in the crossbar subdev, the driver tries to locate the remote subdev connected to the sink pad. The remote pad may be NULL, if userspace tries to enable a stream that ends at an unconnected crossbar sink. When that occurs, the driver dereferences the NULL pad, leading to a crash. Prevent the crash by checking if the pad is NULL before using it, and return an error if it is.

Product status

Default status
unaffected

cf21f328fcaf before c95318607fbe
affected

cf21f328fcaf before c4bd29bf5b7f
affected

cf21f328fcaf before 91c8ce42fcde
affected

cf21f328fcaf before eb2f93210028
affected

Default status
affected

6.4
affected

Any version before 6.4
unaffected

6.6.24
unaffected

6.7.12
unaffected

6.8.3
unaffected

6.9
unaffected

References

https://git.kernel.org/stable/c/c95318607fbe8fdd44991a8dad2e44118e6b8812

https://git.kernel.org/stable/c/c4bd29bf5b7f67925bc1abd16069f22dadf5f061

https://git.kernel.org/stable/c/91c8ce42fcde09f1da24acab9013b3e19cb88a4e

https://git.kernel.org/stable/c/eb2f932100288dbb881eadfed02e1459c6b9504c

cve.org CVE-2023-52647

nvd.nist.gov CVE-2023-52647

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