Ubuntu.comUB:CVE-2021-38203CVE-2021-38203
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
2.1 Low
CVSS2
Access Vector
LOCAL
Access 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
0.001 Low
EPSS
Percentile
27.7%
btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial
of service (deadlock) via processes that trigger allocation of new system
chunks during times when there is a shortage of free space in the system
space_info.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 22.04 | noarch | linux-azure-fde | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gkeop | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-oem-5.13 | < 5.13.0-1014.18 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gkeop-5.15 | < any | UNKNOWN |
References
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947
launchpad.net/bugs/cve/CVE-2021-38203
nvd.nist.gov/vuln/detail/CVE-2021-38203
security-tracker.debian.org/tracker/CVE-2021-38203
ubuntu.com/security/notices/USN-5096-1
www.cve.org/CVERecord?id=CVE-2021-38203
Related
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
2.1 Low
CVSS2
Access Vector
LOCAL
Access 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
0.001 Low
EPSS
Percentile
27.7%