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CVE-2023-52614

Disclosure Date: March 18, 2024
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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.

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CVSS V3 Severity and Metrics
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Impact Score:
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Vector:
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Attack Vector (AV):
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Confidentiality (C):
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Integrity (I):
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Availability (A):
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General Information

Vendors

  • Linux

Products

  • Linux
Technical Analysis