6 matches found
SUSE CVE-2026-74656
In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...
CVE-2026-74656
In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...
AZL-97206 CVE-2026-74656 affecting package kernel for versions less than 6.6.152.1-1
In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...
CVE-2026-74656 ipv4: fix use-after-free in fib_nhc_update_mtu()
In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...
CVE-2026-74656 ipv4: fix use-after-free in fib_nhc_update_mtu()
In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...
CVE-2026-74656
A use-after-free vulnerability exists in the Linux kernel's IPv4 networking stack, specifically in the fib_nhc_update_mtu() function. The root cause is a race condition : this function walks the nexthop exception table under RTNL, but RTNL does not serialize the walk with concurrent PMTU exceptio...