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Related Vulnerabilities: CVE-2021-4008 CVE-2021-4009 CVE-2021-4010 CVE-2021-4011

A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the SProcRenderCompositeGlyphs function due to improper validation of the request length. (CVE-2021-4008) A flaw was found in xorg-x11-server. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. (CVE-2021-4009) A flaw was found in xorg-x11-server where an out-of-bounds access can occur in the SProcScreenSaverSuspend function. (CVE-2021-4010) A flaw was found in xorg-x11-server where an out-of-bounds access can occur in the SwapCreateRegister function. (CVE-2021-4011)

Source

ALAS2022-2022-209

Amazon Linux 2022 Security Advisory: ALAS-2022-209
Advisory Release Date: 2022-11-04 22:30 Pacific
Advisory Updated Date: 2023-01-24 21:35 Pacific

Severity: Important

References: CVE-2021-4008 CVE-2021-4009 CVE-2021-4010 CVE-2021-4011

Issue Overview:

A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the SProcRenderCompositeGlyphs function due to improper validation of the request length. (CVE-2021-4008)

A flaw was found in xorg-x11-server. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. (CVE-2021-4009)

A flaw was found in xorg-x11-server where an out-of-bounds access can occur in the SProcScreenSaverSuspend function. (CVE-2021-4010)

A flaw was found in xorg-x11-server where an out-of-bounds access can occur in the SwapCreateRegister function. (CVE-2021-4011)

Affected Packages:

xorg-x11-server

Issue Correction:
Run dnf update xorg-x11-server to update your system.

New Packages:

aarch64:
    xorg-x11-server-Xorg-debuginfo-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-debuginfo-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-common-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-Xephyr-debuginfo-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-Xvfb-debuginfo-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-Xvfb-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-Xnest-debuginfo-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-Xdmx-debuginfo-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-Xdmx-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-Xephyr-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-Xnest-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-Xorg-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-devel-1.20.14-3.amzn2022.aarch64
    xorg-x11-server-debugsource-1.20.14-3.amzn2022.aarch64

i686:
    xorg-x11-server-Xephyr-debuginfo-1.20.14-3.amzn2022.i686
    xorg-x11-server-Xorg-debuginfo-1.20.14-3.amzn2022.i686
    xorg-x11-server-debugsource-1.20.14-3.amzn2022.i686
    xorg-x11-server-Xdmx-debuginfo-1.20.14-3.amzn2022.i686
    xorg-x11-server-Xvfb-debuginfo-1.20.14-3.amzn2022.i686
    xorg-x11-server-Xnest-debuginfo-1.20.14-3.amzn2022.i686
    xorg-x11-server-Xorg-1.20.14-3.amzn2022.i686
    xorg-x11-server-Xephyr-1.20.14-3.amzn2022.i686
    xorg-x11-server-Xdmx-1.20.14-3.amzn2022.i686
    xorg-x11-server-Xvfb-1.20.14-3.amzn2022.i686
    xorg-x11-server-debuginfo-1.20.14-3.amzn2022.i686
    xorg-x11-server-Xnest-1.20.14-3.amzn2022.i686
    xorg-x11-server-devel-1.20.14-3.amzn2022.i686
    xorg-x11-server-common-1.20.14-3.amzn2022.i686

noarch:
    xorg-x11-server-source-1.20.14-3.amzn2022.noarch

src:
    xorg-x11-server-1.20.14-3.amzn2022.src

x86_64:
    xorg-x11-server-Xnest-debuginfo-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-Xorg-debuginfo-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-Xdmx-debuginfo-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-Xephyr-debuginfo-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-Xvfb-debuginfo-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-Xvfb-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-common-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-debuginfo-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-devel-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-Xnest-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-Xdmx-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-Xephyr-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-debugsource-1.20.14-3.amzn2022.x86_64
    xorg-x11-server-Xorg-1.20.14-3.amzn2022.x86_64

Additional References

Red Hat: CVE-2021-4008, CVE-2021-4009, CVE-2021-4010, CVE-2021-4011

Mitre: CVE-2021-4008, CVE-2021-4009, CVE-2021-4010, CVE-2021-4011

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ALAS2022-2022-209

ALAS2022-2022-209

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