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PUBLISHED

CVE-2024-36965

remoteproc: mediatek: Make sure IPI buffer fits in L2TCM

Assigner:Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
Reserved:2024-05-30
Published:2024-06-08
Updated:2024-06-08

Description

In the Linux kernel, the following vulnerability has been resolved: remoteproc: mediatek: Make sure IPI buffer fits in L2TCM The IPI buffer location is read from the firmware that we load to the System Companion Processor, and it's not granted that both the SRAM (L2TCM) size that is defined in the devicetree node is large enough for that, and while this is especially true for multi-core SCP, it's still useful to check on single-core variants as well. Failing to perform this check may make this driver perform R/W operations out of the L2TCM boundary, resulting (at best) in a kernel panic. To fix that, check that the IPI buffer fits, otherwise return a failure and refuse to boot the relevant SCP core (or the SCP at all, if this is single core).

Product status

Default status
unaffected

3efa0ea743b7 before 00548ac6b144
affected

3efa0ea743b7 before 1d9e2de24533
affected

3efa0ea743b7 before 26c6d7dc8c6a
affected

3efa0ea743b7 before 838b49e211d5
affected

3efa0ea743b7 before 36c79eb48455
affected

3efa0ea743b7 before 331f91d86f71
affected

Default status
affected

5.11
affected

Any version before 5.11
unaffected

5.15.160
unaffected

6.1.92
unaffected

6.6.32
unaffected

6.8.11
unaffected

6.9.2
unaffected

6.10-rc1
unaffected

References

https://git.kernel.org/stable/c/00548ac6b14428719c970ef90adae2b3b48c0cdf

https://git.kernel.org/stable/c/1d9e2de24533daca36cbf09e8d8596bf72b526b2

https://git.kernel.org/stable/c/26c6d7dc8c6a9fde9d362ab2eef6390efeff145e

https://git.kernel.org/stable/c/838b49e211d59fa827ff9df062d4020917cffbdf

https://git.kernel.org/stable/c/36c79eb4845551e9f6d28c663b38ce0ab03b84a9

https://git.kernel.org/stable/c/331f91d86f71d0bb89a44217cc0b2a22810bbd42

cve.org CVE-2024-36965

nvd.nist.gov CVE-2024-36965

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