Ubuntu.comUB:CVE-2022-1786CVE-2022-1786
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
7.2 High
CVSS2
Access Vector
LOCAL
Access 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
0.0004 Low
EPSS
Percentile
5.3%
A use-after-free flaw was found in the Linux kernel’s io_uring subsystem in
the way a user sets up a ring with IORING_SETUP_IOPOLL with more than one
task completing submissions on this ring. This flaw allows a local user to
crash or escalate their privileges on the system.
References
git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=29f077d070519a88a793fbc70f1e6484dc6d9e35
launchpad.net/bugs/cve/CVE-2022-1786
nvd.nist.gov/vuln/detail/CVE-2022-1786
security-tracker.debian.org/tracker/CVE-2022-1786
www.cve.org/CVERecord?id=CVE-2022-1786
www.openwall.com/lists/oss-security/2022/05/24/4
Related
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
7.2 High
CVSS2
Access Vector
LOCAL
Access 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
0.0004 Low
EPSS
Percentile
5.3%