2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
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
0.0004 Low
EPSS
Percentile
14.2%
A vulnerability was found in Linux Kernel where in the
spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth
without checking whether it is NULL or not, and may lead to a NULL-ptr
deref crash.
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 | 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 | 18.04 | noarch | linux-aws-5.4 | < 5.4.0-1038.40~18.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1094.101~16.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure | < 5.4.0-1040.42 | UNKNOWN |
ubuntu | 20.10 | noarch | linux-azure | < 5.8.0-1023.25 | UNKNOWN |
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f0992098cadb4c9c6a00703b66cafe604e178fea
launchpad.net/bugs/cve/CVE-2020-27830
nvd.nist.gov/vuln/detail/CVE-2020-27830
security-tracker.debian.org/tracker/CVE-2020-27830
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-2020-27830
www.openwall.com/lists/oss-security/2020/12/07/1
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
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
0.0004 Low
EPSS
Percentile
14.2%