7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
31.0%
An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11.
There is a race condition between certain expand functions
(expand_downwards and expand_upwards) and page-table free operations from
an munmap call, aka CID-246c320a8cfe.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | linux | < 5.4.0-45.49 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1022.22 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | < 5.4.0-1022.22~18.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure | < 5.4.0-1023.23 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure-5.4 | < 5.4.0-1023.23~18.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-gcp | < 5.4.0-1022.22 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-kvm | < 5.4.0-1021.21 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-oracle-5.4 | < 5.4.0-1022.22~18.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-oem-5.6 | < 5.6.0-1048.52 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-raspi-5.4 | < 5.4.0-1016.17~18.04.1 | UNKNOWN |
bugs.chromium.org/p/project-zero/issues/detail?id=2056
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11
git.kernel.org/linus/246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4c
launchpad.net/bugs/cve/CVE-2020-29369
nvd.nist.gov/vuln/detail/CVE-2020-29369
security-tracker.debian.org/tracker/CVE-2020-29369
ubuntu.com/security/notices/USN-4752-1
www.cve.org/CVERecord?id=CVE-2020-29369
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.001 Low
EPSS
Percentile
31.0%