Ubuntu.comUB:CVE-2022-38457CVE-2022-38457
6.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
0.0004 Low
EPSS
Percentile
5.1%
A use-after-free(UAF) vulnerability was found in function
‘vmw_cmd_res_check’ in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux
kernel’s vmwgfx driver with device file ‘/dev/dri/renderD128 (or Dxxx)’.
This flaw allows a local attacker with a user account on the system to gain
privilege, causing a denial of service(DoS).
Bugs
- <https://bugzilla.openanolis.cn/show_bug.cgi?id=2074>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2133455>
- <https://bugzilla.suse.com/show_bug.cgi?id=1203330>
Notes
| Author | Note |
|---|---|
| sbeattie | ffb6260be81f (“drm/vmwgfx: clean up some error pointer checking”) does not address this issue, but looks to be covering something similar. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 20.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-aws | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws-5.15 | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-5.15 | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure-fde | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-fde-5.15 | < any | UNKNOWN |
Related
6.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
0.0004 Low
EPSS
Percentile
5.1%