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Diffstat (limited to 'website/static/security/advisories/FreeBSD-EN-22:18.wifi.asc')
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1 files changed, 130 insertions, 0 deletions
diff --git a/website/static/security/advisories/FreeBSD-EN-22:18.wifi.asc b/website/static/security/advisories/FreeBSD-EN-22:18.wifi.asc new file mode 100644 index 0000000000..16c955af6b --- /dev/null +++ b/website/static/security/advisories/FreeBSD-EN-22:18.wifi.asc @@ -0,0 +1,130 @@ +-----BEGIN PGP SIGNED MESSAGE----- +Hash: SHA512 + +============================================================================= +FreeBSD-EN-22:18.wifi Errata Notice + The FreeBSD Project + +Topic: WiFi patch update + +Category: core +Module: net80211 +Announced: 2022-08-09 +Affects: FreeBSD 13.0 +Corrected: 2022-08-09 20:11:00 UTC (releng/13.0, 13.0-RELEASE-p12) + +Note: The corrected date and patch revision above (p12) are specific to the + 13.0-RELEASE version published via freebsd-update. The revision details + in the table below reference the git repository information, which was + correct at the time of the original WiFi patch. + +For general information regarding FreeBSD Errata Notices and Security +Advisories, including descriptions of the fields above, security +branches, and the following sections, please visit +<URL:https://security.FreeBSD.org/>. + +I. Background + +FreeBSD's net80211 kernel subsystem provides infrastructure and drivers +for IEEE 802.11 wireless (Wi-Fi) communications. + +II. Problem Description + +FreeBSD-SA-22:02.wifi included a number of improvements to net80211 data +validation. Some of these changes were not included in the patch provided +for FreeBSD 13.0 and via freebsd-update. The changes were included in the +git repository. + +III. Impact + +The interface affected by the missing change is only available to the +superuser. The superuser may be able to cause kernel crash. + +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 +5min "Installing errata 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-22:18/wifi.patch +# fetch https://security.FreeBSD.org/patches/EN-22:18/wifi.patch.asc +# gpg --verify wifi.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 +- ------------------------------------------------------------------------- +releng/13.0/ 0d1db5c3257e releng/13.0-n244782 +- ------------------------------------------------------------------------- + +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 + +VII. References + +<URL:https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254737> + +The latest revision of this advisory is available at +<URL:https://security.FreeBSD.org/advisories/FreeBSD-EN-22:18.wifi.asc> +-----BEGIN PGP SIGNATURE----- + +iQIzBAEBCgAdFiEE/A6HiuWv54gCjWNV05eS9J6n5cIFAmLyz0YACgkQ05eS9J6n +5cIYBA//VQCS16TK3QcOXDznzTi66YqL5GvCklVWzk52la+D0cIazzNKKWLwuJAF +bAB9c+jjff0IU6J80/QNdTEvXBjw4HZ5CsniXEUbWMmQOdFh1c9mgW8q6W8PV+R9 +DYn7ROO/d8s71Kh8FQh9KzguCYsiSHm8gwfwSzi1bxfBp6J2Af2A/q/4KO7/mN/U +Eltgr3AikjqvLm5vo985Fbv2ExH9Xm3rZcc3UggutyNFAtl4X4N/1Pux5msR38sp +FIzveVKtu2kuQ9jqOceABZfaxCCXRwl5i/MibOdfZb3+JIdjDSnuH6fjVmVT3Qys +4LFnokEFNtSn04z6VJHmtryqIuByVWWSyyFFpm65pKtpvxzEP+Wrql208U7k+r7A +gi1vZVcJpZ5eLEdPgmE7T4IjfuonK0DvVkJlWIigmrFn2n4ss1cyQiNJYyujDDQB +sCcC3HZoy8DE4RBzpfEWDjsoqQXzJ81o3TfnNr69alSVAmMRzcQjH8z6syApuq+0 +RmyHMCfgKnbPCtgQj0si8VRDtMfgqJsTqHsTks6NiL6csQUTtgYc37MgErLsUR05 +4XnfxvslAketx9BvWqgF6eIXnGoJsCopzVKOttxdqpyV1AzanZzl0q+wEBp8WND0 +Jpzhtmar9Pxq9wcRNNx8as5b5IyH1zp4/0FqztGsLgHluazYPbk= +=W4Fk +-----END PGP SIGNATURE----- |