SUSE CVE-2026-63918

In the Linux kernel, the following vulnerability has been resolved: l2tp: use refcountincnotzero in l2tpsessiongetbyifname A reader in l2tpsessiongetbyifname can return a pointer to a session whose refcount has reached zero. The getter takes its reference with plain refcountinc, but every other...

EUVD-2026-45691

In the Linux kernel, the following vulnerability has been resolved: l2tp: use refcountincnotzero in l2tpsessiongetbyifname A reader in l2tpsessiongetbyifname can return a pointer to a session whose refcount has reached zero. The getter takes its reference with plain refcountinc, but every other...

CVE-2026-63918

CVE-2026-63918 documents a Linux kernel fix: l2tp_session_get_by_ifname previously used refcount_inc() while other getters used refcount_inc_not_zero(), risking use-after-free if a race during RC/Rcu grace period allowed a zero refcount. The change normalizes the getter to refcount_inc_not_zero()...

CVE-2026-63918 l2tp: use refcount_inc_not_zero in l2tp_session_get_by_ifname

In the Linux kernel, the following vulnerability has been resolved: l2tp: use refcountincnotzero in l2tpsessiongetbyifname A reader in l2tpsessiongetbyifname can return a pointer to a session whose refcount has reached zero. The getter takes its reference with plain refcountinc, but every other...

PT-2026-61235

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the l2tp session get by ifname function. A reader matching session-ifname can be preempted between the strcmp and refcount inc operations. If the last referenc...