4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
26.8%
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.
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 | 14.04 | noarch | linux | < 3.13.0-188.239) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-203.235 | 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 | < 4.4.0-1086.90) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1122.136 | UNKNOWN |
bugs.chromium.org/p/project-zero/issues/detail?id=2125
git.kernel.org/linus/c8bcd9c5be24fb9e6132e97da5a35e55a83e36b9
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c8bcd9c5be24fb9e6132e97da5a35e55a83e36b9
launchpad.net/bugs/cve/CVE-2020-29660
nvd.nist.gov/vuln/detail/CVE-2020-29660
security-tracker.debian.org/tracker/CVE-2020-29660
ubuntu.com/security/notices/USN-4748-1
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-4752-1
ubuntu.com/security/notices/USN-5130-1
www.cve.org/CVERecord?id=CVE-2020-29660
4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
26.8%