VDB
CVE-2022-47939
CVE-2022-47939
PUBLISHED
Es existiert eine Schwachstelle im Linux Kernel in ksmbd. Bei der Verarbeitung von SMB2_TREE_DISCONNECT-Befehlen kommt es, aufgrund fehlender Überprüfungen, zu einem Use-After-Free Problem. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um Code im Kontext des Kernels auszuführen.
EPSS 0.62% · 70.2th percentile
Risk Scores
EPSS Score
0.62%
70.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu | Ubuntu Linux |
Timeline
- Dec 22, 2022 CVE Published
- Dec 23, 2022 PoC Published
- Dec 24, 2022 EPSS Score
- Dec 26, 2022 PoC Published
- Dec 27, 2022 PoC Published
- Dec 28, 2022 PoC Published
- Feb 3, 2023 EPSS Score
- Feb 9, 2023 PoC Published
- Mar 17, 2023 EPSS Score
- Apr 27, 2023 EPSS Score
- Jun 8, 2023 EPSS Score
- Aug 29, 2023 EPSS Score
References
- https://wid.cert-bund.de/.well-known/csaf/white/2022/wid-sec-w-2022-2403.json advisory
- https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-2403 advisory
- https://ubuntu.com/security/notices/USN-5876-1 advisory
- https://ubuntu.com/security/notices/USN-5877-1 advisory
- https://ubuntu.com/security/notices/USN-5851-1 advisory
- https://ubuntu.com/security/notices/USN-5860-1 advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1691/ advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1690/ advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1689/ advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1688/ advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1687/ advisory