kernel is vulnerable to packet injection. The vulnerability exists due to a flaw was found in the Linux kernels implementation of wifi fragmentation handling which allows an attacker with the ability to transmit within the wireless transmission range of an access point can abuse a flaw where previous contents of wifi fragments can be unintentionally transmitted to another device.
www.openwall.com/lists/oss-security/2021/05/11/12
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
access.redhat.com/errata/RHSA-2021:4356
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1959642
github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md
lists.debian.org/debian-lts-announce/2021/06/msg00019.html
lists.debian.org/debian-lts-announce/2021/06/msg00020.html
lore.kernel.org/linux-wireless/20210511200110.3f8290e59823.I622a67769ed39257327a362cfc09c812320eb979@changeid/
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu
www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
www.fragattacks.com
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00473.html