Bug 2424980 (CVE-2022-50707)

Summary: CVE-2022-50707 kernel: virtio-crypto: fix memory leak in virtio_crypto_alg_skcipher_close_session()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2025-12-24 12:05:37 UTC 
In the Linux kernel, the following vulnerability has been resolved:

virtio-crypto: fix memory leak in virtio_crypto_alg_skcipher_close_session()

'vc_ctrl_req' is alloced in virtio_crypto_alg_skcipher_close_session(),
and should be freed in the invalid ctrl_status->status error handling
case. Otherwise there is a memory leak.
Comment 1 Alexander B 2025-12-25 11:18:43 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025122420-CVE-2022-50707-8f32@gregkh/T