Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-12657 |
CWE-ID | CWE-416 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Red Hat Enterprise Linux Server - TUS Operating systems & Components / Operating system Red Hat Enterprise Linux for Power, little endian Operating systems & Components / Operating system Red Hat Enterprise Linux for x86_64 Operating systems & Components / Operating system kpatch-patch-4_18_0-193_1_2 (Red Hat package) Operating systems & Components / Operating system package or component kpatch-patch-4_18_0-193 (Red Hat package) Operating systems & Components / Operating system package or component |
Vendor | Red Hat Inc. |
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU28167
Risk: Low
CVSSv3.1:
CVE-ID: CVE-2020-12657
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in "block/bfq-iosched.c" file related to "bfq_idle_slice_timer_body". A local user can execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationInstall updates from vendor's website.
Red Hat Enterprise Linux Server - TUS: 8.2
Red Hat Enterprise Linux for Power, little endian: 8
Red Hat Enterprise Linux for x86_64: 8.0
kpatch-patch-4_18_0-193_1_2 (Red Hat package): before 1-1.el8_2
kpatch-patch-4_18_0-193 (Red Hat package): before 1-3.el8
http://access.redhat.com/errata/RHSA-2020:2567
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?