CVE-2020-29661

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

1.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 63.8% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2020-12-09 16:57Z5 YR AGO

Last updated

2024-08-04 16:55Z2 YR AGO

Reserved

2020-12-09

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
• CWE-667Improper LockingClass
• CWE-825Expired Pointer DereferenceBase

Data version

5.1

Document digest

185118014f966778c3e9287bbf92c96986fd0cfab37f27240ef0191bbb23ba5e

• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=54ffccbf053b5b6ca4f6e45094b942fab92a25fcx_refsource_MISC
• www.openwall.com[oss-security] 20201210 2 kernel issueshttp://www.openwall.com/lists/oss-security/2020/12/10/1mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2020-b732958765https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MZ7OAKAEFAXQRGBZK4LYUWINCD3D2XCL/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2020-bc0cc81a7ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOB25SU6XUL4TNP7KB63WNZSYTIYFDPP/vendor-advisoryx_refsource_FEDORA
• www.debian.orgDSA-4843https://www.debian.org/security/2021/dsa-4843vendor-advisoryx_refsource_DEBIAN
• lists.debian.org[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security updatehttps://lists.debian.org/debian-lts-announce/2021/02/msg00018.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2021/03/msg00010.htmlmailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2021.htmlx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/160681/Linux-TIOCSPGRP-Broken-Locking.htmlx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210122-0001/x_refsource_CONFIRM
• packetstormsecurity.comhttp://packetstormsecurity.com/files/164950/Kernel-Live-Patch-Security-Notice-LSN-0082-1.htmlx_refsource_MISC