Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098915)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098915 advisory. In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC...

PT-2026-79661

In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fib nhc update mtu fib nhc update mtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcu dereference protected with a...

SUSE CVE-2026-64452

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC descriptor while holding lowpannhclock. If the descriptor has no uncompress callback, the error path drops the lock before printing...

CVE-2026-64452

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC descriptor while holding lowpannhclock. If the descriptor has no uncompress callback, the error path drops the lock before printing...

UBUNTU-CVE-2026-64452

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC descriptor while holding lowpannhclock. If the descriptor has no uncompress callback, the error path drops the lock before printing...

CVE-2026-64452

CVE-2026-64452 (Linux kernel 6LoWPAN) involves a race condition in 6LoWPAN’s Next Header Compression (NHC) handling that can cause a use-after-free in lowpan_nhc_do_uncompression when an NHC descriptor is freed while another path accesses nhc->name in an error path. The issue arises from holdi...

EUVD-2026-48796

In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC descriptor while holding lowpannhclock. If the descriptor has no uncompress callback, the error path drops the lock before printing...

CVE-2026-23300 net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop When a standalone IPv6 nexthop object is created with a loopback device e.g., "ip -6 nexthop add id 100 dev lo", fib6nhinit misclassifies it as a reject route...

CVE-2023-53342

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix handling IPv4 routes with nhid Fix handling IPv4 routes referencing a nexthop via its id by replacing calls to fibinfonh with fibinfonhc. Trying to add an IPv4 route referencing a nextop via nhid: $ ip...

UBUNTU-CVE-2023-53342

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix handling IPv4 routes with nhid Fix handling IPv4 routes referencing a nexthop via its id by replacing calls to fibinfonh with fibinfonhc. Trying to add an IPv4 route referencing a nextop via nhid: $ ip...

CVE-2023-53342 net: marvell: prestera: fix handling IPv4 routes with nhid

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix handling IPv4 routes with nhid Fix handling IPv4 routes referencing a nexthop via its id by replacing calls to fibinfonh with fibinfonhc. Trying to add an IPv4 route referencing a nextop via nhid: $ ip...

CVE-2023-53342

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix handling IPv4 routes with nhid Fix handling IPv4 routes referencing a nexthop via its id by replacing calls to fibinfonh with fibinfonhc. Trying to add an IPv4 route referencing a nextop via nhid: $ ip...

UBUNTU-CVE-2025-22005

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix memleak of nhcpcpurthoutput in fibchecknhv6gw. fibchecknhv6gw expects that fib6nhinit cleans up everything when it fails. Commit 7dd73168e273 "ipv6: Always allocate pcpu memory in a fib6nh" moved fibnhcommoninit before...