CVE-2024-36967

KEYS: trusted: Fix memory leak in tpm2_key_encode()

MEDIUM
5.5
CVSS Score
Published: June 8, 2024 at 12:52 PM UTC
Updated: June 17, 2026 at 07:37 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak in tpm2_key_encode() 'scratch' is never freed. Fix this by calling kfree() in the success, and in the error case.

Affected

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

5.13 ≤ v < 5.15.1605.13 ≤ v < 6.1.925.13 ≤ v < 6.105.13 ≤ v < 6.6.325.13 ≤ v < 6.8.115.13 ≤ v < 6.9.25.16 ≤ v < 6.1.926.2 ≤ v < 6.6.326.7 ≤ v < 6.8.116.9 ≤ v < 6.9.25.13f2219745250f388edacabe6cca73654131c67d0a
Vendor states this is fixed in 189c768932d435045b1fae12bf63e53866f06a28 (fixed)
Vendor states this is fixed in 1e6914fa8e7798bcf3ce4a5b96ea4ac1d5571cdf (fixed)
Vendor states this is fixed in 5d91238b590bd883c86ba7707c5c9096469c08b7 (fixed)
Vendor states this is fixed in cf26a92f560eed5d6ddc3d441cc645950cbabc56 (fixed)
Vendor states this is fixed in e62835264d0352be6086975f18fdfed2b5520b13 (fixed)
Vendor states this is fixed in ffcaa2172cc1a85ddb8b783de96d38ca8855e248 (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.160 (unaffected)
Vendor states this is fixed in 6.1.92 (unaffected)
Vendor states this is fixed in 6.10 (unaffected)
Vendor states this is fixed in 6.6.32 (unaffected)
Vendor states this is fixed in 6.8.11 (unaffected)
Vendor states this is fixed in 6.9.2 (unaffected)

References (6)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/189c768932d435045b1fae12bf63e53866f06a28
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1e6914fa8e7798bcf3ce4a5b96ea4ac1d5571cdf
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5d91238b590bd883c86ba7707c5c9096469c08b7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/cf26a92f560eed5d6ddc3d441cc645950cbabc56
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e62835264d0352be6086975f18fdfed2b5520b13
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ffcaa2172cc1a85ddb8b783de96d38ca8855e248

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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