Linux Kernel up to 6.0.12 ravb_rx_gbeth use after free

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.7 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Linux Kernel up to 6.0.12. Affected is the function ravb_rx_gbeth. Executing a manipulation can lead to use after free.
This vulnerability appears as CVE-2022-48964. There is no available exploit.
The affected component should be upgraded.
Details
A vulnerability classified as critical was found in Linux Kernel up to 6.0.12. This vulnerability affects the function ravb_rx_gbeth. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
In the Linux kernel, the following vulnerability has been resolved: ravb: Fix potential use-after-free in ravb_rx_gbeth() The skb is delivered to napi_gro_receive() which may free it, after calling this, dereferencing skb may trigger use-after-free.
The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2022-48964 since 08/22/2024. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/18/2026).
Upgrading to version 6.0.13 eliminates this vulnerability. Applying the patch e63c681494dc/5a5a3e564de6 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2024-3251). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Affected
- Google Container-Optimized OS
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- NetApp StorageGRID
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- Kyocera Printer
- NetApp AFF
- NetApp ActiveIQ Unified Manager
- SUSE openSUSE
- IBM Security Guardium
- RESF Rocky Linux
- Dell NetWorker
- Dell Avamar
- IBM QRadar SIEM
- NetApp FAS
- SolarWinds Security Event Manager
- Dell PowerProtect Data Domain
- Open Source Linux Kernel
- Dell PowerScale OneFS
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.9VulDB Meta Temp Score: 7.7
VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.0.13
Patch: e63c681494dc/5a5a3e564de6
Timeline
08/22/2024 🔍10/21/2024 🔍
10/21/2024 🔍
01/18/2026 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-48964 (🔍)
GCVE (CVE): GCVE-0-2022-48964
GCVE (VulDB): GCVE-100-281368
CERT Bund: WID-SEC-2024-3251 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service
Entry
Created: 10/21/2024 23:08Updated: 01/18/2026 21:45
Changes: 10/21/2024 23:08 (57), 10/25/2024 00:27 (12), 07/22/2025 21:35 (7), 09/29/2025 10:23 (1), 10/05/2025 09:39 (1), 01/18/2026 21:45 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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