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almalinuxAlmaLinuxALSA-2023:2249
HistoryMay 09, 2023 - 12:00 a.m.

Moderate: xorg-x11-server-Xwayland security update

2023-05-0900:00:00
errata.almalinux.org
6
x server
wayland
buffer overflow
use-after-free
stack overflow
out-of-bounds access
privilege elevation
memory leak
security update
cve fixes

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.028 Low

EPSS

Percentile

90.7%

Xwayland is an X server for running X clients under Wayland.

Security Fix(es):

  • xorg-x11-server: buffer overflow in _GetCountedString() in xkb/xkb.c (CVE-2022-3550)
  • xorg-x11-server: XkbGetKbdByName use-after-free (CVE-2022-4283)
  • xorg-x11-server: XTestSwapFakeInput stack overflow (CVE-2022-46340)
  • xorg-x11-server: XIPassiveUngrab out-of-bounds access (CVE-2022-46341)
  • xorg-x11-server: XvdiSelectVideoNotify use-after-free (CVE-2022-46342)
  • xorg-x11-server: ScreenSaverSetAttributes use-after-free (CVE-2022-46343)
  • xorg-x11-server: XIChangeProperty out-of-bounds access (CVE-2022-46344)
  • xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation (CVE-2023-0494)
  • xorg-x11-server: memory leak in ProcXkbGetKbdByName() in xkb/xkb.c (CVE-2022-3551)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.028 Low

EPSS

Percentile

90.7%