CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.2 | $0-$5k | 0.00 |
A vulnerability has been found in Linux Kernel up to 4.18.6 (Operating System) and classified as problematic. This vulnerability affects the function mlx5_ib_create_qp_resp
of the file drivers/infiniband/hw/mlx5/qp.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality. CVE summarizes:
An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.
The weakness was presented 07/26/2019 (Website). The advisory is available at lists.opensuse.org. This vulnerability was named CVE-2018-20855 since 07/26/2019. Local access is required to approach this attack. The successful exploitation requires a single authentication. Technical details are known, but there is no available exploit.
Upgrading to version 4.18.7 eliminates this vulnerability.
See 138837, 138839, 138853 and 138854 for similar entries.
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: 3.3VulDB Meta Temp Score: 3.2
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 3.3
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: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: Yes
Remote: No
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 4.18.7
Patch: git.kernel.org
Timeline
07/26/2019 🔍07/26/2019 🔍
07/26/2019 🔍
11/13/2023 🔍
Sources
Vendor: kernel.orgAdvisory: 0625b4ba1a5d4703c7fb01c497bd6c156908af00
Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-20855 (🔍)
See also: 🔍
Entry
Created: 07/26/2019 14:40Updated: 11/13/2023 08:49
Changes: 07/26/2019 14:40 (44), 07/13/2020 09:38 (2), 11/13/2023 08:47 (3), 11/13/2023 08:49 (16)
Complete: 🔍
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