7.5
Advisory Published
Updated

CVE-2021-29632

First published: Tue Jan 18 2022(Updated: )

In FreeBSD 13.0-STABLE before n247428-9352de39c3dc, 12.2-STABLE before r370674, 13.0-RELEASE before p6, and 12.2-RELEASE before p12, certain conditions involving use of the highlight buffer while text is scrolling on the console, console data may overwrite data structures associated with the system console or other kernel memory.

Credit: secteam@freebsd.org

Affected SoftwareAffected VersionHow to fix
FreeBSD FreeBSD=12.2
FreeBSD FreeBSD=12.2-beta1-p1
FreeBSD FreeBSD=12.2-p1
FreeBSD FreeBSD=12.2-p10
FreeBSD FreeBSD=12.2-p11
FreeBSD FreeBSD=12.2-p2
FreeBSD FreeBSD=12.2-p3
FreeBSD FreeBSD=12.2-p4
FreeBSD FreeBSD=12.2-p5
FreeBSD FreeBSD=12.2-p6
FreeBSD FreeBSD=12.2-p7
FreeBSD FreeBSD=12.2-p8
FreeBSD FreeBSD=12.2-p9
FreeBSD FreeBSD=13.0
FreeBSD FreeBSD=13.0-beta1
FreeBSD FreeBSD=13.0-beta2
FreeBSD FreeBSD=13.0-beta3
FreeBSD FreeBSD=13.0-beta3-p1
FreeBSD FreeBSD=13.0-beta4
FreeBSD FreeBSD=13.0-p1
FreeBSD FreeBSD=13.0-p2
FreeBSD FreeBSD=13.0-p3
FreeBSD FreeBSD=13.0-p4
FreeBSD FreeBSD=13.0-p5
FreeBSD FreeBSD=13.0-rc1
FreeBSD FreeBSD=13.0-rc2
FreeBSD FreeBSD=13.0-rc3
FreeBSD FreeBSD=13.0-rc4
FreeBSD FreeBSD=13.0-rc5
FreeBSD FreeBSD=13.0-rc5-p1

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Frequently Asked Questions

  • What is CVE-2021-29632?

    CVE-2021-29632 is a vulnerability in FreeBSD that can allow console data to overwrite data structures associated with the system.

  • How severe is CVE-2021-29632?

    CVE-2021-29632 has a severity value of 7.5 (high).

  • Which versions of FreeBSD are affected by CVE-2021-29632?

    FreeBSD 12.2 and 13.0 are affected by CVE-2021-29632.

  • Where can I find more information about CVE-2021-29632?

    You can find more information about CVE-2021-29632 in the FreeBSD Security Advisory FreeBSD-SA-22:01.vt.asc and the NetApp advisory ntap-20220217-0004.

  • How can I fix CVE-2021-29632?

    To fix CVE-2021-29632, it is recommended to update to FreeBSD 13.0-STABLE n247428-9352de39c3dc, FreeBSD 12.2-STABLE r370674, FreeBSD 13.0-RELEASE p6, or FreeBSD 12.2-RELEASE p12.

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