Executive Summary

Informations
Name CVE-2020-29660 First vendor Publication 2020-12-09
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Overall CVSS Score 4.4
Base Score 4.4 Environmental Score 4.4
impact SubScore 3.6 Temporal Score 4.4
Exploitabality Sub Score 0.8
 
Attack Vector Local Attack Complexity Low
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29660

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-667 Insufficient Locking
50 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Os 1
Os 2
Os 2
Os 3404

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210122-0001/
DEBIAN https://www.debian.org/security/2021/dsa-4843
MISC http://packetstormsecurity.com/files/164950/Kernel-Live-Patch-Security-Notice...
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
MLIST http://www.openwall.com/lists/oss-security/2020/12/10/1
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

Alert History

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Date Informations
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2020-12-18 21:23:27
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2020-12-11 05:22:51
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2020-12-09 21:24:09
  • First insertion