CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
21.6%
A vulnerability was found in the Linux Kernel where the function
sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being
freed. Though the dangling pointer is set to NULL in sunkbd_disconnect,
there is still an alias in sunkbd_reinit causing Use After Free.
Author | Note |
---|---|
sbeattie | issue is specific to the sun4/sun5 keyboard driver. |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-136.140 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-66.74 | UNKNOWN |
ubuntu | 20.10 | noarch | linux | < 5.8.0-44.50 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-201.233 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1094.101 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1038.40 | UNKNOWN |
ubuntu | 20.10 | noarch | linux-aws | < 5.8.0-1024.26 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1085.89 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1121.135 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | < 5.4.0-1038.40~18.04.1 | UNKNOWN |
launchpad.net/bugs/cve/CVE-2020-25669
nvd.nist.gov/vuln/detail/CVE-2020-25669
security-tracker.debian.org/tracker/CVE-2020-25669
ubuntu.com/security/notices/USN-4708-1
ubuntu.com/security/notices/USN-4709-1
ubuntu.com/security/notices/USN-4749-1
ubuntu.com/security/notices/USN-4750-1
ubuntu.com/security/notices/USN-4751-1
ubuntu.com/security/notices/USN-4912-1
www.cve.org/CVERecord?id=CVE-2020-25669
www.openwall.com/lists/oss-security/2020/11/05/2
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
21.6%