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Red Hat: CVE-2023-52614: kernel: PM / devfreq: Fix buffer overflow in trans_stat_show (Multiple Advisories)

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Red Hat: CVE-2023-52614: kernel: PM / devfreq: Fix buffer overflow in trans_stat_show (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:L/Au:M/C:C/I:N/A:N)
Published
03/18/2024
Created
12/06/2024
Added
12/05/2024
Modified
12/16/2024

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.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2023-52614
  • RHSA-2024:9315
  • 查看数 703
  • 已创建
  • 最后回复

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