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PUBLISHED

CVE-2023-52614

PM / devfreq: Fix buffer overflow in trans_stat_show

Assigner:Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
Reserved:2024-03-06
Published:2024-03-18
Updated:2024-06-07

Description

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Fix buffer overflow in trans_stat_show Fix buffer overflow in trans_stat_show(). Convert simple snprintf to the more secure scnprintf with size of PAGE_SIZE. Add condition checking if we are exceeding PAGE_SIZE and exit early from loop. Also add at the end a warning that we exceeded PAGE_SIZE and that stats is disabled. Return -EFBIG in the case where we don't have enough space to write the full transition table. Also document in the ABI that this function can return -EFBIG error.

Product status

Default status
unaffected

e552bbaf5b98 before 087de000e4f8
affected

e552bbaf5b98 before 796d3fad8c35
affected

e552bbaf5b98 before 8a7729cda2dd
affected

e552bbaf5b98 before a979f56aa4b9
affected

e552bbaf5b98 before eaef4650fa20
affected

e552bbaf5b98 before 08e23d05fa6d
affected

Default status
affected

3.8
affected

Any version before 3.8
unaffected

5.10.216
unaffected

5.15.149
unaffected

6.1.76
unaffected

6.6.15
unaffected

6.7.3
unaffected

6.8
unaffected

References

https://git.kernel.org/stable/c/087de000e4f8c878c81d9dd3725f00a1d292980c

https://git.kernel.org/stable/c/796d3fad8c35ee9df9027899fb90ceaeb41b958f

https://git.kernel.org/stable/c/8a7729cda2dd276d7a3994638038fb89035b6f2c

https://git.kernel.org/stable/c/a979f56aa4b93579cf0e4265ae04d7e9300fd3e8

https://git.kernel.org/stable/c/eaef4650fa2050147ca25fd7ee43bc0082e03c87

https://git.kernel.org/stable/c/08e23d05fa6dc4fc13da0ccf09defdd4bbc92ff4

cve.org CVE-2023-52614

nvd.nist.gov CVE-2023-52614

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