Linux Kernel up to 6.12.3 i3c_master_put_i3c_addrs use after free

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.12.3. This affects the function i3c_master_put_i3c_addrs. Executing a manipulation can lead to use after free.
This vulnerability appears as CVE-2024-56562. There is no available exploit.
It is advisable to upgrade the affected component.
Details
A vulnerability was found in Linux Kernel up to 6.12.3. It has been declared as critical. This vulnerability affects the function i3c_master_put_i3c_addrs. 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: i3c: master: Fix miss free init_dyn_addr at i3c_master_put_i3c_addrs() if (dev->boardinfo && dev->boardinfo->init_dyn_addr) ^^^ here check "init_dyn_addr" i3c_bus_set_addr_slot_status(&master->bus, dev->info.dyn_addr, ...) ^^^^ free "dyn_addr" Fix copy/paste error "dyn_addr" by replacing it with "init_dyn_addr".
The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2024-56562 since 12/27/2024. 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 12/23/2025).
The vulnerability scanner Nessus provides a plugin with the ID 214888 (CentOS 9 : kernel-5.14.0-559.el9), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64 or 6.12.4 eliminates this vulnerability. Applying the patch c2f0ce241154b04f2fc150ff16ad82d9b8fdfa4a/093ecc6d82ff1d2e0cbf6f2000438b6c698145cb/0cb21f1ea3a2e19ee314a8fcf95461b5c453c59e/991e33a99fd3b5d432f0629565f532f563fe019a/ce30d11b39e8d637fed4704a5b43e9d556990475/0e8ab955c6d06f9d907761c07c02d1492f0a8ac1/3082990592f7c6d7510a9133afa46e31bbe26533 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 (214888) and CERT Bund (WID-SEC-2024-3762). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Affected
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE Linux
- Oracle Linux
- RESF Rocky Linux
- Dell NetWorker
- Dell Avamar
- Red Hat OpenShift
- IBM QRadar SIEM
- Dell PowerProtect Data Domain
- Open Source Linux Kernel
- IBM DataPower Gateway
- Dell Secure Connect Gateway
Product
Type
Vendor
Name
Version
- 5.4.286
- 5.10.230
- 5.15.173
- 6.1.119
- 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
- 6.12.0
- 6.12.1
- 6.12.2
- 6.12.3
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.8VulDB Meta Temp Score: 6.6
VulDB Base Score: 8.0
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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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Nessus ID: 214888
Nessus Name: CentOS 9 : kernel-5.14.0-559.el9
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 5.4.287/5.10.231/5.15.174/6.1.120/6.6.64/6.12.4
Patch: c2f0ce241154b04f2fc150ff16ad82d9b8fdfa4a/093ecc6d82ff1d2e0cbf6f2000438b6c698145cb/0cb21f1ea3a2e19ee314a8fcf95461b5c453c59e/991e33a99fd3b5d432f0629565f532f563fe019a/ce30d11b39e8d637fed4704a5b43e9d556990475/0e8ab955c6d06f9d907761c07c02d1492f0a8ac1/3082990592f7c6d7510a9133afa46e31bbe26533
Timeline
12/27/2024 🔍12/27/2024 🔍
12/27/2024 🔍
12/23/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2024-56562 (🔍)
GCVE (CVE): GCVE-0-2024-56562
GCVE (VulDB): GCVE-100-289528
CERT Bund: WID-SEC-2024-3762 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service
Entry
Created: 12/27/2024 18:24Updated: 12/23/2025 02:33
Changes: 12/27/2024 18:24 (57), 02/04/2025 01:40 (2), 07/24/2025 23:15 (7), 10/07/2025 20:59 (12), 12/23/2025 02:33 (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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