Alpine: multiple xorg-server packages: security update to 21.1.5-r0

high Tenable Cloud Security Plugin ID 427270

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty
request has a length-validation issues, resulting in out-of-bounds memory reads and potential information
disclosure. This issue can lead to local privileges elevation on systems where the X server is running
privileged and remote code execution for ssh X forwarding sessions. (CVE-2022-46344)

- A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a
dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName
requests.. This issue can lead to local privileges elevation on systems where the X server is running
privileged and remote code execution for ssh X forwarding sessions. (CVE-2022-4283)

- A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the
XTestFakeInput request of the XTest extension may corrupt the stack if GenericEvents with lengths larger
than 32 bytes are sent through a the XTestFakeInput request. This issue can lead to local privileges
elevation on systems where the X server is running privileged and remote code execution for ssh X
forwarding sessions. This issue does not affect systems where client and server use the same byte order.
(CVE-2022-46340)

- A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab
request accesses out-of-bounds memory when invoked with a high keycode or button code. This issue can lead
to local privileges elevation on systems where the X server is running privileged and remote code
execution for ssh X forwarding sessions. (CVE-2022-46341)

- A vulnerability was found in X.Org. This security flaw occurs because the handler for the
XvdiSelectVideoNotify request may write to memory after it has been freed. This issue can lead to local
privileges elevation on systems where the X se (CVE-2022-46342)

See Also

https://security.alpinelinux.org/vuln/CVE-2022-4283

https://security.alpinelinux.org/vuln/CVE-2022-46340

https://security.alpinelinux.org/vuln/CVE-2022-46341

https://security.alpinelinux.org/vuln/CVE-2022-46342

https://security.alpinelinux.org/vuln/CVE-2022-46343

https://security.alpinelinux.org/vuln/CVE-2022-46344

Plugin Details

Severity: High

ID: 427270

Version: Revision 1.18

Type: Local

Published: 5/16/2025

Updated: 6/12/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2022-46344

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 12/14/2022

Reference Information

CVE: CVE-2022-4283, CVE-2022-46340, CVE-2022-46341, CVE-2022-46342, CVE-2022-46343, CVE-2022-46344