CVE-2026-68398

creationtimestamp| type| source ---|---|--- 2026-08-15 08:00:07+00:00| seen| Telegram/9qYdJNeZ50siptVHrqc-g91N4K0CPGozDwGl0Etd8sr4-fM 2026-08-15 08:00:07+00:00| seen| Telegram/tIFQ-YzRP5aIVcZwsmxIy0E468ZZAfAf6IwxQbXWzKsWGok 2026-08-16 00:00:21+00:00| published-proof-of-concept|...

Exploit for CVE-2026-68398

CVE-2026-68398: Ubuntu PPPoL2TP use-after-free to local root...

BELL-CVE-2026-68398

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DEBIAN-CVE-2026-68398

In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...