CVE-2023-53544 — Use After Free in Linux

CWE-416 — Use After FreeCWE-825 — Expired Pointer Dereference5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 96.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 4

Description

In the Linux kernel, the following vulnerability has been resolved: cpufreq: davinci: Fix clk use after free The remove function first frees the clks and only then calls cpufreq_unregister_driver(). If one of the cpufreq callbacks is called just before cpufreq_unregister_driver() is run, the freed clks might be used.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶NVDlinux/linux_kernel2.6.33 — 4.14.308+2
▶Debianlinux/linux_kernel< 6.1.20-1+2
▶CVEListV5linux/linux6601b8030de3e9c29930684eeac15302a59f991a — 66b3bbe6fbd8dd410868e5b53ac3944a934b9310+4
▶debiandebian/linux< linux 6.1.20-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-3cqr-ghj9-p46w: In the Linux kernel, the following vulnerability has been resolved: cpufreq: davinci: Fix clk use after free The remove function first frees the clk↗2025-10-04
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OSV
CVE-2023-53544: In the Linux kernel, the following vulnerability has been resolved: cpufreq: davinci: Fix clk use after free The remove function first frees the clks↗2025-10-04
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📋Vendor Advisories

2
Red Hat
kernel: cpufreq: davinci: Fix clk use after free↗2025-10-04
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Debian
CVE-2023-53544: linux - In the Linux kernel, the following vulnerability has been resolved: cpufreq: da...↗2023
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