CVE-2020-8428

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 51.8% of scored records. A rank, not a probability.

NVD base score

7.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-01-28 23:43Z6 YR AGO

Last updated

2024-08-04 09:56Z2 YR AGO

Reserved

2020-01-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

a3841f50347ca55ec0bbb525da873333b72389e7332e7cc359466a58bece9628

• www.openwall.comhttps://www.openwall.com/lists/oss-security/2020/01/28/2x_refsource_MISC
• github.comhttps://github.com/torvalds/linux/commit/d0cb50185ae942b03c4327be322055d622dc79f6x_refsource_MISC
• git.kernel.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0cb50185ae942b03c4327be322055d622dc79f6x_refsource_MISC
• www.openwall.com[oss-security] 20200129 Re: Linux kernel: user-triggerable read-after-free crash or 1-bit infoleak oracle in open(2)http://www.openwall.com/lists/oss-security/2020/01/28/4mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20200202 Re: Linux kernel: user-triggerable read-after-free crash or 1-bit infoleak oracle in open(2)http://www.openwall.com/lists/oss-security/2020/02/02/1mailing-listx_refsource_MLIST
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20200313-0003/x_refsource_CONFIRM
• lists.opensuse.orgopenSUSE-SU-2020:0336http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlvendor-advisoryx_refsource_SUSE
• usn.ubuntu.comUSN-4320-1https://usn.ubuntu.com/4320-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4318-1https://usn.ubuntu.com/4318-1/vendor-advisoryx_refsource_UBUNTU
• packetstormsecurity.comhttp://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.htmlx_refsource_MISC
• usn.ubuntu.comUSN-4324-1https://usn.ubuntu.com/4324-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4325-1https://usn.ubuntu.com/4325-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4319-1https://usn.ubuntu.com/4319-1/vendor-advisoryx_refsource_UBUNTU
• www.debian.orgDSA-4667https://www.debian.org/security/2020/dsa-4667vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security updatehttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-4698https://www.debian.org/security/2020/dsa-4698vendor-advisoryx_refsource_DEBIAN