apparmor: fix a memleak in multi_transaction_new()
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
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.
Why it matters now
EPSS 0.00257 17th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.14.303, 4.19.270, 5.4.229 +5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.303, 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2, 6.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-50754
- 2026-10-03 Alias added: GHSA-fx2h-pcqr-7fq9
References
Other 8
- https://git.kernel.org/stable/c/11d5fe7da67c3334cefc981297fd5defb78df15c
- https://git.kernel.org/stable/c/95e6adc6a7a4761ddf69ad713e55a06a3206309d
- https://git.kernel.org/stable/c/eb0f78e28cbc8f97439c0a4c80ee5160c1df5ce6
- https://git.kernel.org/stable/c/935d86b29093e75b6c547d90b3979c2c2d23f1c4
- https://git.kernel.org/stable/c/775a37ffa9f4681c4ad84c8634a7eec8af7098d4
- https://git.kernel.org/stable/c/88989932c2269ea66074f52a6213598838f8b9e7
- https://git.kernel.org/stable/c/3d27a436e294ac5d7a51bd5348ca63a42a468b35
- https://git.kernel.org/stable/c/c73275cf6834787ca090317f1d20dbfa3b7f05aa
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Sources
- CVE-2022-50754 · CVE Program
- CVE-2022-50754 · NVD
- FIRST EPSS
- GHSA-fx2h-pcqr-7fq9 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-50754 · Red Hat security data · CC BY 4.0
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