CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.4 | $0-$5k | 0.00 |
A vulnerability has been found in Linux Kernel up to 5.11.2 (Operating System) and classified as problematic. This vulnerability affects the function video_usercopy
of the file drivers/media/v4l2-core/v4l2-ioctl.c of the component Webcam Handler. 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.
The weakness was presented 04/02/2021. The advisory is available at bugzilla.suse.com. This vulnerability was named CVE-2021-30002. Technical details are known, but there is no available exploit.
Upgrading to version 5.11.3 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch 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.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Memory leakCWE: CWE-401 / CWE-404
ATT&CK: Unknown
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 5.11.3
Patch: git.kernel.org
Timeline
04/02/2021 🔍04/02/2021 🔍
04/02/2021 🔍
04/07/2021 🔍
Sources
Vendor: kernel.orgAdvisory: bugzilla.suse.com
Status: Confirmed
CVE: CVE-2021-30002 (🔍)
Entry
Created: 04/02/2021 16:17Updated: 04/07/2021 23:23
Changes: 04/02/2021 16:17 (44), 04/07/2021 23:23 (5)
Complete: 🔍
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