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In hostapd 2.10 and earlier, the PKEX code remains active even after a successful PKEX association. An attacker that successfully bootstrapped public keys with another entity using PKEX in the past, will be able to subvert a future bootstrapping by passively observing public keys, re-using the encrypting element Qi and subtracting it from the captured message M (X = M - Qi). This will result in the public ephemeral key X; the only element required to subvert the PKEX association. CVE-2022-37660-0001, CVE-2022-37660-0002, CVE-2022-37660-0003 and CVE-2022-37660-0004 are dependent commits while CVE-2022-37660-0005 is actual CVE fix. Reference: https://security-tracker.debian.org/tracker/CVE-2022-37660 Upstream-patches: https://git.w1.fi/cgit/hostap/commit/?id=9d3f347a2b14652e767d51142600206a32676b62 https://git.w1.fi/cgit/hostap/commit/?id=80213629981a21825e4688fde1b590e4c4d4bcea https://git.w1.fi/cgit/hostap/commit/?id=bdcccbc2755dd1a75731496782e02b5435fb9534 https://git.w1.fi/cgit/hostap/commit/?id=d7be749335f2585658cf98c4f0e7d6cd5ac06865 https://git.w1.fi/cgit/hostap/commit/?id=15af83cf1846870873a011ed4d714732f01cd2e4 (From OE-Core rev: 91848ac13ec18f98469f7f8ed68c6153fea31607) Signed-off-by: Divya Chellam <divya.chellam@windriver.com> Signed-off-by: Steve Sakoman <steve@sakoman.com>