apparmor: fix a memleak in multi_transaction_new()
In multi_transaction_new(), the variable t is not freed or passed out
on the failure of copy_from_user(t->data, buf, size), which could lead
to a memleak.
Fix this bug by adding a put_multi_transaction(t) in the error path.
Analysis
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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Linux | Linux | unaffected |
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| Linux | Linux | affected |
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No data.
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No data available yet.
No vendor fix or workaround currently provided.
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Tracking
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Thu, 25 Dec 2025 00:15:00 +0000
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threat_severity
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threat_severity
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Wed, 24 Dec 2025 13:15:00 +0000
| Type | Values Removed | Values Added |
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| Description | In the Linux kernel, the following vulnerability has been resolved: apparmor: fix a memleak in multi_transaction_new() In multi_transaction_new(), the variable t is not freed or passed out on the failure of copy_from_user(t->data, buf, size), which could lead to a memleak. Fix this bug by adding a put_multi_transaction(t) in the error path. | |
| Title | apparmor: fix a memleak in multi_transaction_new() | |
| First Time appeared |
Linux
Linux linux Kernel |
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| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
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| References |
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MITRE
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T19:24:52.463Z
Reserved: 2025-12-24T13:02:21.544Z
Link: CVE-2022-50754
Vulnrichment
No data.
NVD
Status : Deferred
Published: 2025-12-24T13:16:02.140
Modified: 2026-04-15T00:35:42.020
Link: CVE-2022-50754
Redhat
OpenCVE Enrichment
No data.
No weakness.