Fedora 30 update for kernel
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-12770 |
| CWE-ID | CWE-20 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
Fedora Operating systems & Components / Operating system kernel Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Input validation error
EUVDB-ID: #VU28170
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2020-12770
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local user to execute arbitrary code on the system.
The vulnerability exists due to the "sg_write" lacks an "sg_remove_request" call in a certain failure case. A local user can pass specially crafted input to the application and execute arbitrary code on the target system.
MitigationInstall updates from vendor's repository.
Vulnerable software versionsFedora: 30
kernel: before 5.6.12-100.fc30
CPE2.3 External linkshttps://bodhi.fedoraproject.org/updates/FEDORA-2020-5fe8394e69
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
