UnratedFix available
apparmor: fix a memleak in multi_transaction_new()
Type: advisorySources: OSV
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.303, 4.19.270, 5.10.163, 5.15.86, 5.4.229, 6.0.16, 6.1.2
- CVEs
- CVE-2022-50754
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 17:27 UTC · Revision 1
Source evidence
apparmor: fix a memleak in multi_transaction_new()
core-osv · Original sourcePublished 24 Dec 2025, 13:05 UTC
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.
osv:CVE-2022-50754
Kernel
Fixed versions: 4.14.303, 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2
Complete source record
{
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"url": "https://osv.dev/vulnerability/CVE-2022-50754",
"method": "structured",
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"title": "apparmor: fix a memleak in multi_transaction_new()",
"summary": "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.",
"evidence": "osv:CVE-2022-50754",
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"modified": "2026-10-28T02:30:44.606742249Z",
"provider": "osv",
"references": [
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"https://nvd.nist.gov/vuln/detail/CVE-2022-50754",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"provider_metadata": {
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"security_relevant": true,
"severity_evidence": null
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"source_id": "core-osv",
"document_id": 512532,
"published_at": "2025-12-24T13:05:48.245+00:00"
}