CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.8 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel up to 5.18.3 (Operating System) and classified as critical. This issue affects the function rpmsg_probe
of the file drivers/rpmsg/virtio_rpmsg_bus.c. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
rpmsg_probe in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.
The weakness was disclosed 06/26/2022 as c2eecefec5df1306eafce28ccdf1ca159a552ecc. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-34495 since 06/26/2022. Technical details are known, but no exploit is available.
Upgrading to version 5.18.4 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying the patch c2eecefec5df1306eafce28ccdf1ca159a552ecc is able to eliminate this problem. The bugfix is ready for download at github.com. 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: 5.9VulDB Meta Temp Score: 5.8
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Double freeCWE: CWE-415 / CWE-119
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 5.18.4
Patch: c2eecefec5df1306eafce28ccdf1ca159a552ecc
Timeline
06/26/2022 🔍06/26/2022 🔍
06/26/2022 🔍
07/15/2022 🔍
Sources
Vendor: kernel.orgAdvisory: c2eecefec5df1306eafce28ccdf1ca159a552ecc
Status: Confirmed
CVE: CVE-2022-34495 (🔍)
Entry
Created: 06/26/2022 22:12Updated: 07/15/2022 09:56
Changes: 06/26/2022 22:12 (46), 07/15/2022 09:56 (18)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.