CVE-2020-28941
MEDIUM
5,5
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
MEDIUM
4,9
Source: [email protected]
Access Vector: local
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: complete
Description
AI Translation Available
An issue was discovered in drivers/accessibility/speakup/spk_ttyio.c in the Linux kernel through 5.9.9. Local attackers on systems with the speakup driver could cause a local denial of service attack, aka CID-d41227544427. This occurs because of an invalid free when the line discipline is used more than once.
EPSS (Exploit Prediction Scoring System)
Trend Analysis
EPSS (Exploit Prediction Scoring System)
Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.
EPSS Score
0,0006
Percentile
0,2th
Updated
EPSS Score Trend (Last 91 Days)
763
Release of Invalid Pointer or Reference
IncompleteCommon Consequences
Security Scopes Affected:
Integrity
Availability
Confidentiality
Potential Impacts:
Modify Memory
Dos: Crash, Exit, Or Restart
Execute Unauthorized Code Or Commands
Applicable Platforms
Languages:
C, C++, Memory-Unsafe
Operating System
Fedora by Fedoraproject
CPE Identifier
View Detailed Analysis
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Linux Kernel by Linux
Version Range Affected
To
5.9.9
(inclusive)
CPE Identifier
View Detailed Analysis
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Debian Linux by Debian
CPE Identifier
View Detailed Analysis
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System
Fedora by Fedoraproject
CPE Identifier
View Detailed Analysis
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/torvalds/linux/commit/d4122754442799187d5d537a9c039a49a67e57…
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d412…
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-li…
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://www.openwall.com/lists/oss-security/2020/11/19/3
http://www.openwall.com/lists/oss-security/2020/11/19/5
https://github.com/torvalds/linux/commit/d4122754442799187d5d537a9c039a49a67e57…
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d412…
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-li…
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://www.openwall.com/lists/oss-security/2020/11/19/3
http://www.openwall.com/lists/oss-security/2020/11/19/5