# CVE-2022-50754: CVE-2022-50754

Status: published. Published: 2025-12-24. Updated: 2026-11-10.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

Not reported in collected sources.

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: Not reported

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://git.kernel.org/stable/c/11d5fe7da67c3334cefc981297fd5defb78df15c (416baaa9-dc9f-4396-8d5f-8c081fb06d67)

- https://git.kernel.org/stable/c/3d27a436e294ac5d7a51bd5348ca63a42a468b35 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)

- https://git.kernel.org/stable/c/775a37ffa9f4681c4ad84c8634a7eec8af7098d4 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)

- https://git.kernel.org/stable/c/88989932c2269ea66074f52a6213598838f8b9e7 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)

- https://git.kernel.org/stable/c/935d86b29093e75b6c547d90b3979c2c2d23f1c4 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)

- https://git.kernel.org/stable/c/95e6adc6a7a4761ddf69ad713e55a06a3206309d (416baaa9-dc9f-4396-8d5f-8c081fb06d67)

- https://git.kernel.org/stable/c/c73275cf6834787ca090317f1d20dbfa3b7f05aa (416baaa9-dc9f-4396-8d5f-8c081fb06d67)

- https://git.kernel.org/stable/c/eb0f78e28cbc8f97439c0a4c80ee5160c1df5ce6 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)

## Provenance

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-50754; retrieved 2026-11-10; source updated 2026-11-10

Revision: e9088208e8b5db989ce9452a4ed21deac3873bc551ec81090cbaa70dcd5dc511

Canonical: https://y2.dev/cve/CVE-2022-50754

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