Linux Kernel up to 6.19.5 media cx25821_dev_setup memory leak

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel up to 6.19.5. It has been declared as critical. This affects the function cx25821_dev_setup of the component media. Executing a manipulation can lead to memory leak.
This vulnerability is tracked as CVE-2026-43183. No exploit exists.
It is recommended to upgrade the affected component.
Details
A vulnerability was found in Linux Kernel up to 6.19.5. It has been declared as critical. This vulnerability affects the function cx25821_dev_setup of the component media. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:
In the Linux kernel, the following vulnerability has been resolved: media: cx25821: Fix a resource leak in cx25821_dev_setup() Add release_mem_region() if ioremap() fails to release the memory region obtained by cx25821_get_resources().
The advisory is available at git.kernel.org. This vulnerability was named CVE-2026-43183 since 05/01/2026. Technical details are known, but there is no available exploit.
Upgrading to version 5.10.252, 5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.16 or 6.19.6 eliminates this vulnerability. Applying the patch 9f1c926248bde95a77ca104ab525467470607836/071bfc6e723aabbbf08f0d439fb913cd01eb8de2/f7759eb6738ee9fc296f6ab1705c6809947976f3/4010e596d23cda6de65acb14f7fd4ce8289f1d49/e220ec4c4596d634685b8a08d79ad876a720b466/b7210170b10e2d17f7a4f6b9d39cc092442db860/80ce3797dc99dae4ce8b939626b891c9eb85139f/68cd8ac994cac38a305200f638b30e13c690753b 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.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
- 5.10.251
- 5.15.201
- 6.1.164
- 6.6.127
- 6.12.0
- 6.12.1
- 6.12.2
- 6.12.3
- 6.12.4
- 6.12.5
- 6.12.6
- 6.12.7
- 6.12.8
- 6.12.9
- 6.12.10
- 6.12.11
- 6.12.12
- 6.12.13
- 6.12.14
- 6.12.15
- 6.12.16
- 6.12.17
- 6.12.18
- 6.12.19
- 6.12.20
- 6.12.21
- 6.12.22
- 6.12.23
- 6.12.24
- 6.12.25
- 6.12.26
- 6.12.27
- 6.12.28
- 6.12.29
- 6.12.30
- 6.12.31
- 6.12.32
- 6.12.33
- 6.12.34
- 6.12.35
- 6.12.36
- 6.12.37
- 6.12.38
- 6.12.39
- 6.12.40
- 6.12.41
- 6.12.42
- 6.12.43
- 6.12.44
- 6.12.45
- 6.12.46
- 6.12.47
- 6.12.48
- 6.12.49
- 6.12.50
- 6.12.51
- 6.12.52
- 6.12.53
- 6.12.54
- 6.12.55
- 6.12.56
- 6.12.57
- 6.12.58
- 6.12.59
- 6.12.60
- 6.12.61
- 6.12.62
- 6.12.63
- 6.12.64
- 6.12.65
- 6.12.66
- 6.12.67
- 6.12.68
- 6.12.69
- 6.12.70
- 6.12.71
- 6.12.72
- 6.12.73
- 6.12.74
- 6.18.0
- 6.18.1
- 6.18.2
- 6.18.3
- 6.18.4
- 6.18.5
- 6.18.6
- 6.18.7
- 6.18.8
- 6.18.9
- 6.18.10
- 6.18.11
- 6.18.12
- 6.18.13
- 6.18.14
- 6.18.15
- 6.19.0
- 6.19.1
- 6.19.2
- 6.19.3
- 6.19.4
- 6.19.5
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.7VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Memory leakCWE: CWE-401 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Kernel 5.10.252/5.15.202/6.1.165/6.6.128/6.12.75/6.18.16/6.19.6
Patch: 9f1c926248bde95a77ca104ab525467470607836/071bfc6e723aabbbf08f0d439fb913cd01eb8de2/f7759eb6738ee9fc296f6ab1705c6809947976f3/4010e596d23cda6de65acb14f7fd4ce8289f1d49/e220ec4c4596d634685b8a08d79ad876a720b466/b7210170b10e2d17f7a4f6b9d39cc092442db860/80ce3797dc99dae4ce8b939626b891c9eb85139f/68cd8ac994cac38a305200f638b30e13c690753b
Timeline
05/01/2026 CVE reserved05/06/2026 Advisory disclosed
05/06/2026 VulDB entry created
05/06/2026 VulDB entry last update
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2026-43183 (🔒)
GCVE (CVE): GCVE-0-2026-43183
GCVE (VulDB): GCVE-100-361402
Entry
Created: 05/06/2026 16:32Changes: 05/06/2026 16:32 (23), 05/06/2026 16:33 (36)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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