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cve[email protected]CVE-2020-28941
HistoryNov 19, 2020 - 7:15 p.m.

CVE-2020-28941

2020-11-1919:15:11
CWE-763
[email protected]
web.nvd.nist.gov
164
linux kernel
security
cve-2020-28941
denial of service
nvd

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6

Confidence

High

EPSS

0

Percentile

5.1%

JSON

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.

Affected configurations

NVD
Node
linuxlinux_kernelRange≤5.9.9
Node
fedoraprojectfedoraMatch32
OR
fedoraprojectfedoraMatch33
Node
debiandebian_linuxMatch9.0
VendorProductVersionCPE
linuxlinux_kernelcpe:/o:linux:linux_kernel::::

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CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6

Confidence

High

EPSS

0

Percentile

5.1%

JSON
Related for CVE-2020-28941
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