Ubuntu update for xorg-server
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-2319 CVE-2022-2320 |
| CWE-ID | CWE-787 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Ubuntu Operating systems & Components / Operating system xwayland (Ubuntu package) Operating systems & Components / Operating system package or component xserver-xorg-core (Ubuntu package) Operating systems & Components / Operating system package or component xwayland-hwe-18.04 (Ubuntu package) Operating systems & Components / Operating system package or component xserver-xorg-core-hwe-18.04 (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds write
EUVDB-ID: #VU65222
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2319
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the ProcXkbSetGeometry request handler of the Xkb extension. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Update the affected package xorg-server to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 22.04
xwayland (Ubuntu package): before 2:22.1.1-1ubuntu0.1
xserver-xorg-core (Ubuntu package): before 2:21.1.3-2ubuntu2.1
xwayland-hwe-18.04 (Ubuntu package): before 2:1.20.8-2ubuntu2.2~18.04.7
xserver-xorg-core-hwe-18.04 (Ubuntu package): before 2:1.20.8-2ubuntu2.2~18.04.7
External linkshttp://ubuntu.com/security/notices/USN-5510-1
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Out-of-bounds write
EUVDB-ID: #VU65223
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2320
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the ProcXkbSetDeviceInfo request handler of the Xkb extension. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Update the affected package xorg-server to the latest version.
Vulnerable software versionsUbuntu: 18.04 - 22.04
xwayland (Ubuntu package): before 2:22.1.1-1ubuntu0.1
xserver-xorg-core (Ubuntu package): before 2:21.1.3-2ubuntu2.1
xwayland-hwe-18.04 (Ubuntu package): before 2:1.20.8-2ubuntu2.2~18.04.7
xserver-xorg-core-hwe-18.04 (Ubuntu package): before 2:1.20.8-2ubuntu2.2~18.04.7
External linkshttp://ubuntu.com/security/notices/USN-5510-1
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
