Linux Kernel BPF mm/gup.c follow_page_pte race condition

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.8 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel (Operating System) (the affected version unknown). It has been declared as problematic. Affected by this vulnerability is the function follow_page_pte of the file mm/gup.c of the component BPF. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 10/20/2022. The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2022-3623. Technical details are known, but no exploit is available.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.8VulDB Meta Temp Score: 5.8
VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 5.0
CNA Vector (VulDB): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Race conditionCWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: git.kernel.org
Timeline
10/20/2022 🔍10/20/2022 🔍
10/20/2022 🔍
11/19/2022 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2022-3623 (🔍)
GCVE (CVE): GCVE-0-2022-3623
GCVE (VulDB): GCVE-100-211921
Entry
Created: 10/20/2022 21:58Updated: 11/19/2022 06:53
Changes: 10/20/2022 21:58 (40), 11/19/2022 06:38 (2), 11/19/2022 06:53 (21)
Complete: 🔍
Cache ID: 152:AC2:65
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