Ubuntu.comUB:CVE-2022-1882CVE-2022-1882
7.2 High
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
7.8 High
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
0.0004 Low
EPSS
Percentile
5.1%
A use-after-free flaw was found in the Linux kernel’s pipes functionality
in how a user performs manipulations with the pipe post_one_notification()
after free_pipe_info() that is already called. This flaw allows a local
user to crash or potentially escalate their privileges on the system.
Bugs
- <https://bugzilla.redhat.com/show_bug.cgi?id=2089701>
- <https://bugzilla.suse.com/show_bug.cgi?id=1199904>
Notes
| Author | Note |
|---|---|
| sbeattie | possibly introduced in db8facfc9fafacefe8a835 (v5.17-rc8) |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 22.04 | noarch | linux | < 5.15.0-50.56 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < 5.15.0-1021.25 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws-5.15 | < 5.15.0-1021.25~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure | < 5.15.0-1021.26 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-5.15 | < 5.15.0-1021.26~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure-fde | < 5.15.0-1021.26 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-fde-5.15 | < 5.15.0-1021.26~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gcp | < 5.15.0-1019.25 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gcp-5.15 | < 5.15.0-1021.28~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gke | < 5.15.0-1017.20 | UNKNOWN |
References
launchpad.net/bugs/cve/CVE-2022-1882
lore.kernel.org/lkml/[email protected]/T/
lore.kernel.org/lkml/[email protected]/
nvd.nist.gov/vuln/detail/CVE-2022-1882
security-tracker.debian.org/tracker/CVE-2022-1882
ssd-disclosure.com/ssd-advisory-linux-config_watch_queue-lpe/
ubuntu.com/security/notices/USN-5667-1
ubuntu.com/security/notices/USN-5683-1
ubuntu.com/security/notices/USN-5703-1
www.cve.org/CVERecord?id=CVE-2022-1882
Related
7.2 High
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
7.8 High
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
0.0004 Low
EPSS
Percentile
5.1%