Linux Kernel up to 6.1.122/6.6.68/6.12.7 tracing_cpumask_write privilege escalation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Linux Kernel up to 6.1.122/6.6.68/6.12.7. Affected is the function tracing_cpumask_write. Performing a manipulation results in an unknown weakness.
This vulnerability is cataloged as CVE-2024-56763. There is no exploit available.
It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.1.122/6.6.68/6.12.7. The impact remains unknown. The summary by CVE is:
In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent bad count for tracing_cpumask_write If a large count is provided, it will trigger a warning in bitmap_parse_user. Also check zero for it.
The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2024-56763 since 12/29/2024. Technical details are known, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 216191 (SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2025:0428-1)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 6.1.123, 6.6.69 or 6.12.8 eliminates this vulnerability. Applying the patch 3d15f4c2449558ffe83b4dba30614ef1cd6937c3/03041e474a6a8f1bfd4b96b164bb3165c48fa1a3/1cca920af19df5dd91254e5ff35e68e911683706/98feccbf32cfdde8c722bc4587aaa60ee5ac33f0 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 databases at Tenable (216191) and CERT Bund (WID-SEC-2025-0016). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Affected
- Debian Linux
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- Dell NetWorker
- Dell Avamar
- Dell PowerProtect Data Domain
- Open Source Linux Kernel
Product
Type
Vendor
Name
Version
- 6.1.122
- 6.6.0
- 6.6.1
- 6.6.2
- 6.6.3
- 6.6.4
- 6.6.5
- 6.6.6
- 6.6.7
- 6.6.8
- 6.6.9
- 6.6.10
- 6.6.11
- 6.6.12
- 6.6.13
- 6.6.14
- 6.6.15
- 6.6.16
- 6.6.17
- 6.6.18
- 6.6.19
- 6.6.20
- 6.6.21
- 6.6.22
- 6.6.23
- 6.6.24
- 6.6.25
- 6.6.26
- 6.6.27
- 6.6.28
- 6.6.29
- 6.6.30
- 6.6.31
- 6.6.32
- 6.6.33
- 6.6.34
- 6.6.35
- 6.6.36
- 6.6.37
- 6.6.38
- 6.6.39
- 6.6.40
- 6.6.41
- 6.6.42
- 6.6.43
- 6.6.44
- 6.6.45
- 6.6.46
- 6.6.47
- 6.6.48
- 6.6.49
- 6.6.50
- 6.6.51
- 6.6.52
- 6.6.53
- 6.6.54
- 6.6.55
- 6.6.56
- 6.6.57
- 6.6.58
- 6.6.59
- 6.6.60
- 6.6.61
- 6.6.62
- 6.6.63
- 6.6.64
- 6.6.65
- 6.6.66
- 6.6.67
- 6.6.68
- 6.12.0
- 6.12.1
- 6.12.2
- 6.12.3
- 6.12.4
- 6.12.5
- 6.12.6
- 6.12.7
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
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: Privilege escalationCWE: Unknown
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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 216191
Nessus Name: SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2025:0428-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.1.123/6.6.69/6.12.8
Patch: 3d15f4c2449558ffe83b4dba30614ef1cd6937c3/03041e474a6a8f1bfd4b96b164bb3165c48fa1a3/1cca920af19df5dd91254e5ff35e68e911683706/98feccbf32cfdde8c722bc4587aaa60ee5ac33f0
Timeline
12/29/2024 🔍01/06/2025 🔍
01/06/2025 🔍
10/13/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2024-56763 (🔍)
GCVE (CVE): GCVE-0-2024-56763
GCVE (VulDB): GCVE-100-290289
CERT Bund: WID-SEC-2025-0016 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service
Entry
Created: 01/06/2025 18:08Updated: 10/13/2025 21:20
Changes: 01/06/2025 18:08 (56), 01/08/2025 09:13 (11), 02/13/2025 09:35 (2), 10/13/2025 21:20 (7)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
No comments yet. Languages: en.
Please log in to comment.