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CVE-2023-53527

thunderbolt: Fix memory leak in tb_handle_dp_bandwidth_request()

MEDIUM
5.5
CVSS Score
Published: October 1, 2025 at 11:46 AM UTC
Updated: June 17, 2026 at 06:45 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.3 ≤ v < 6.4.116.3 ≤ v < 6.56.36.5 rc16.5 rc26.5 rc36.5 rc46.5 rc56ce3563520be90a155706bafc186fc264a13850e
Vendor states this is fixed in 0752bb32aed2c5dd85821195a507a1079c4835f7 (fixed)
Vendor states this is fixed in 596a5123cc782d458b057eb3837e66535cd0befa (fixed)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.4.11 (unaffected)
Vendor states this is fixed in 6.5 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Patch
Source: cverecord
https://git.kernel.org/stable/c/0752bb32aed2c5dd85821195a507a1079c4835f7
Patch
Source: cverecord
https://git.kernel.org/stable/c/596a5123cc782d458b057eb3837e66535cd0befa

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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