CVE-2020-8992
Ubuntu Security Notice USN-4419-1
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
ext4_protect_reserved_inode in fs/ext4/block_validity.c in the Linux kernel through 5.5.3 allows attackers to cause a denial of service (soft lockup) via a crafted journal size.
La función ext4_protect_reserved_inode en el archivo fs/ext4/block_validity.c en el kernel de Linux versiones hasta 5.5.3, permite a atacantes causar una denegación de servicio (soft lockup) por medio de un journal size diseñado.
It was discovered that a race condition existed in the Precision Time Protocol implementation in the Linux kernel, leading to a use-after- free vulnerability. A local attacker could possibly use this to cause a denial of service or possibly execute arbitrary code. Matthew Sheets discovered that the SELinux network label handling implementation in the Linux kernel could be coerced into de-referencing a NULL pointer. A remote attacker could use this to cause a denial of service. Various other issues were also addressed.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-02-14 CVE Reserved
- 2020-02-14 CVE Published
- 2024-08-04 CVE Updated
- 2025-05-09 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
- CWE-834: Excessive Iteration
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20200313-0003 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://patchwork.ozlabs.org/patch/1236118 | 2022-04-27 |
| URL | Date | SRC |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html | 2022-04-27 | |
| https://usn.ubuntu.com/4318-1 | 2022-04-27 | |
| https://usn.ubuntu.com/4324-1 | 2022-04-27 | |
| https://usn.ubuntu.com/4342-1 | 2022-04-27 | |
| https://usn.ubuntu.com/4344-1 | 2022-04-27 | |
| https://usn.ubuntu.com/4419-1 | 2022-04-27 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Netapp Search vendor "Netapp" | H410c Firmware Search vendor "Netapp" for product "H410c Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H410c Search vendor "Netapp" for product "H410c" | - | - |
Safe
|
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | <= 5.5.3 Search vendor "Linux" for product "Linux Kernel" and version " <= 5.5.3" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | esm |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | esm |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.1 Search vendor "Opensuse" for product "Leap" and version "15.1" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Active Iq Unified Manager Search vendor "Netapp" for product "Active Iq Unified Manager" | - | vmware_vsphere |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Cloud Backup Search vendor "Netapp" for product "Cloud Backup" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Data Availability Services Search vendor "Netapp" for product "Data Availability Services" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Hci Management Node Search vendor "Netapp" for product "Hci Management Node" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Solidfire Search vendor "Netapp" for product "Solidfire" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Steelstore Cloud Integrated Storage Search vendor "Netapp" for product "Steelstore Cloud Integrated Storage" | - | - |
Affected
| ||||||