VDB
CVE-2022-47942
CVE-2022-47942
PUBLISHED
Es existiert eine Schwachstelle im Linux Kernel in ksmbd. Die Länge von, vom Benutzer bereitgestellten Daten, wird nicht ordnungsgemäß überprüft, bevor diese in einen Heap-basierten Puffer kopiert werden. Ein authentisierter Angreifer kann diese Schwachstelle ausnutzen, um einen Pufferüberlauf zu verursachen und um Code im Kontext des Kernels auszuführen.
EPSS 0.81% · 74.6th percentile
Risk Scores
EPSS Score
0.81%
74.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu | Ubuntu Linux |
Exploit Intelligence
- CIRCL seen: CVE-2022-47942 (circl-sighting)
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 (circl)
- https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7 (circl)
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7 (circl)
- http://www.openwall.com/lists/oss-security/2022/12/23/10 (circl)
- https://www.zerodayinitiative.com/advisories/ZDI-22-1688/ (circl)
Timeline
- Dec 22, 2022 CVE Published
- Dec 23, 2022 PoC Published
- Dec 24, 2022 EPSS Score
- Feb 3, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 27, 2023 EPSS Score
- Jun 8, 2023 EPSS Score
- Jul 19, 2023 EPSS Score
- Aug 30, 2023 EPSS Score
- Oct 10, 2023 EPSS Score
- Nov 21, 2023 EPSS Score
- Feb 12, 2024 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