Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099920)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099920 advisory. In the Linux kernel, the following vulnerability has been resolved: macsec: fix replay protection at XPN lower-PN wrap In macsecpostdecrypt, when pn is U32MAX, pn + ...

CVE-2026-63925

The CVE-2026-63925 issue affects the Linux kernel macsec XPN replay protection logic. When pn equals U32_MAX, pn+1 overflows to 0 and the code path for updating next_pn_halves may not fire, allowing an attacker to replay a frame carrying pn == 0xFFFFFFFF on an XPN association. The fix extends the...