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CVE-2024-26655

kernel: posix-clock: memory leak in posix_clock_open()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 1, 2024

Updated · November 21, 2025

Description

A vulnerability was found in the posix_clock_open() function of Linux Kernel, where failure of the clk ops.open() function initialize a clock results in a memory leak, when the allocated resources, such as pccontext were not properly released upon encountering errors during clock initialization, this could lead to gradual depletion of system memory resources over time.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-401 · Missing Release of Memory after Effective Lifetime