CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
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
EPSS
Percentile
12.6%
The root cause of this vulnerability is that the
ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of
*drm_vgem_gem_object *(created in vgem_gem_dumb_create) concurrently, and
*vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < 4.15.0-184.194 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-229.263 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1133.143 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1109.115 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1145.160 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1133.143~16.04.1 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-azure | < 4.15.0-1142.156~14.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure | < 4.15.0-1142.156~16.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure-4.15 | < 4.15.0-1142.156 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-dell300x | < 4.15.0-1047.52 | UNKNOWN |
launchpad.net/bugs/cve/CVE-2022-1419
nvd.nist.gov/vuln/detail/CVE-2022-1419
security-tracker.debian.org/tracker/CVE-2022-1419
ubuntu.com/security/notices/USN-5466-1
ubuntu.com/security/notices/USN-5500-1
ubuntu.com/security/notices/USN-5505-1
ubuntu.com/security/notices/USN-5513-1
www.cve.org/CVERecord?id=CVE-2022-1419
www.openwall.com/lists/oss-security/2022/04/21/1
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
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
EPSS
Percentile
12.6%