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  • FreeBSD Errata Notice FreeBSD-EN-23:07.mpr

    From FreeBSD Errata Notices@21:1/5 to All on Wed Jun 21 07:00:11 2023
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    ============================================================================= FreeBSD-EN-23:07.mpr Errata Notice
    The FreeBSD Project

    Topic: mpr(4) may fail to initialize devices

    Category: core
    Module: mpr
    Announced: 2023-06-21
    Affects: All supported versions of FreeBSD.
    Corrected: 2023-05-02 12:21:35 UTC (stable/13, 13.2-STABLE)
    2023-06-21 05:06:39 UTC (releng/13.2, 13.2-RELEASE-p1)
    2023-06-21 05:07:50 UTC (releng/13.1, 13.1-RELEASE-p8)
    2023-05-02 12:21:26 UTC (stable/12, 12.4-STABLE)
    2023-06-21 05:43:37 UTC (releng/12.4, 12.4-RELEASE-p3)

    I. Background

    mpr(4) is a driver for Broadcom SAS controllers.

    II. Problem Description

    The mpr(4) driver did not correctly initialize command data sent to the controller when attaching.

    III. Impact

    mpr(4) would fail to initialize the controller in some cases, making the attached storage devices inaccessible.

    IV. Workaround

    No workaround is available.

    V. Solution

    Upgrade your system to a supported FreeBSD stable or release / security
    branch (releng) dated after the correction date and reboot.

    Perform one of the following:

    1) To update your system via a binary patch:

    Systems running a RELEASE version of FreeBSD on the amd64, i386, or
    (on FreeBSD 13 and later) arm64 platforms can be updated via the freebsd-update(8) utility:

    # freebsd-update fetch
    # freebsd-update install
    # shutdown -r +10min "Rebooting for an erratum update"

    2) To update your system via a source code patch:

    The following patches have been verified to apply to the applicable
    FreeBSD release branches.

    a) Download the relevant patch from the location below, and verify the
    detached PGP signature using your PGP utility.

    # fetch https://security.FreeBSD.org/patches/EN-23:07/mpr.patch
    # fetch https://security.FreeBSD.org/patches/EN-23:07/mpr.patch.asc
    # gpg --verify mpr.patch.asc

    b) Apply the patch. Execute the following commands as root:

    # cd /usr/src
    # patch < /path/to/patch

    c) Recompile your kernel as described in <URL:https://www.FreeBSD.org/handbook/kernelconfig.html> and reboot the
    system.

    VI. Correction details

    This issue is corrected by the corresponding Git commit hash or Subversion revision number in the following stable and release branches:

    Branch/path Hash Revision
    - ------------------------------------------------------------------------- stable/13/ e7a3a08febd0 stable/13-n255252 releng/13.2/ e63d8b8fa6d9 releng/13.2-n254619 releng/13.1/ bc61a15ededc releng/13.1-n250185 stable/12/ r373058 releng/12.4/ r373102
    - -------------------------------------------------------------------------

    For FreeBSD 13 and later:

    Run the following command to see which files were modified by a
    particular commit:

    # git show --stat <commit hash>

    Or visit the following URL, replacing NNNNNN with the hash:

    <URL:https://cgit.freebsd.org/src/commit/?id=NNNNNN>

    To determine the commit count in a working tree (for comparison against
    nNNNNNN in the table above), run:

    # git rev-list --count --first-parent HEAD

    For FreeBSD 12 and earlier:

    Run the following command to see which files were modified by a particular revision, replacing NNNNNN with the revision number:

    # svn diff -cNNNNNN --summarize svn://svn.freebsd.org/base

    Or visit the following URL, replacing NNNNNN with the revision number:

    <URL:https://svnweb.freebsd.org/base?view=revision&revision=NNNNNN>

    VII. References

    The latest revision of this advisory is available at <URL:https://security.FreeBSD.org/advisories/FreeBSD-EN-23:07.mpr.asc> -----BEGIN PGP SIGNATURE-----

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