CVE-2023-53527 — Missing Release of Memory after Effective Lifetime in Linux

CWE-401 — Missing Release of Memory after Effective Lifetime5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 1

Description

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request() The memory allocated in tb_queue_dp_bandwidth_request() needs to be released once the request is handled to avoid leaking it.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel6.3 — 6.4.11+1
▶Debianlinux/linux_kernel< 6.4.11-1+1
▶CVEListV5linux/linux6ce3563520be90a155706bafc186fc264a13850e — 0752bb32aed2c5dd85821195a507a1079c4835f7+2
▶debiandebian/linux< linux 6.4.11-1 (forky)

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-qwjg-7mjq-fhh3: In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request() The memory allo↗2025-10-01
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OSV
CVE-2023-53527: In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request() The memory alloca↗2025-10-01
▶

📋Vendor Advisories

2
Red Hat
kernel: thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()↗2025-10-01
▶
Debian
CVE-2023-53527: linux - In the Linux kernel, the following vulnerability has been resolved: thunderbolt...↗2023
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