VULNERABILITY

Red Hat: CVE-2024-58069: kernel: rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read (Multiple Advisories)

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Red Hat: CVE-2024-58069: kernel: rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read (Multiple Advisories)

Severity
6
CVSS
(AV:L/AC:H/Au:S/C:C/I:C/A:C)
Published
03/06/2025
Created
05/16/2025
Added
05/15/2025
Modified
05/15/2025

Description

In the Linux kernel, the following vulnerability has been resolved: rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read The nvmem interface supports variable buffer sizes, while the regmap interface operates with fixed-size storage. If an nvmem client uses a buffer size less than 4 bytes, regmap_read will write out of bounds as it expects the buffer to point at an unsigned int. Fix this by using an intermediary unsigned int to hold the value.

Solution(s)

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

References

  • CVE-2024-58069
  • RHSA-2025:7423

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