** Changed in: linux (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1675789
Title:
Xenial update to v4.4.56 stable release
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Xenial:
Fix Released
Bug description:
SRU Justification
Impact:
The upstream process for stable tree updates is quite similar
in scope to the Ubuntu SRU process, e.g., each patch has to
demonstrably fix a bug, and each patch is vetted by upstream
by originating either directly from a mainline/stable Linux tree or
a minimally backported form of that patch. The v4.4.56 upstream stable
patch set is now available. It should be included in the Ubuntu
kernel as well.
git://git.kernel.org/
TEST CASE: TBD
The following patches from the v4.4.56 stable release shall be
applied:
netlink: remove mmapped netlink support
UBUNTU: [Config] CONFIG_NETLINK_MMAP disappeared
vxlan: correctly validate VXLAN ID against VXLAN_N_VID
vti6: return GRE_KEY for vti6
ipv4: mask tos for input route
l2tp: avoid use-after-free caused by l2tp_ip_backlog_recv
net: don't call strlen() on the user buffer in packet_bind_spkt()
net: net_enable_timestamp() can be called from irq contexts
dccp: Unlock sock before calling sk_free()
tcp: fix various issues for sockets morphing to listen state
net: fix socket refcounting in skb_complete_wifi_ack()
net: fix socket refcounting in skb_complete_tx_timestamp()
dccp: fix use-after-free in dccp_feat_activate_values
vrf: Fix use-after-free in vrf_xmit
uapi: fix linux/packet_diag.h userspace compilation error
act_connmark: avoid crashing on malformed nlattrs with null parms
mpls: Send route delete notifications when router module is unloaded
ipv6: make ECMP route replacement less greedy
ipv6: avoid write to a possibly cloned skb
bridge: drop netfilter fake rtable unconditionally
dccp/tcp: fix routing redirect race
dccp: fix memory leak during tear-down of unsuccessful connection request
net sched actions: decrement module reference count after table flush.
fscrypt: fix renaming and linking special files
fscrypto: lock inode while setting encryption policy
x86/kasan: Fix boot with KASAN=y and PROFILE_ANNOTATED_BRANCHES=y
x86/perf: Fix CR4.PCE propagation to use active_mm instead of mm
futex: Fix potential use-after-free in FUTEX_REQUEUE_PI
futex: Add missing error handling to FUTEX_REQUEUE_PI
Linux 4.4.56
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