3.11 is patched and validated for the purposes of Canonical, not for those of Arch.
I am no Canonical fanboy, whatsoever. However this I believe is inaccurate.
Here is a list of the fixes for Canonical's 3.11.10.2 kernel release:
[spoiler]Aaro Koskinen (1):
ARM: OMAPFB: panel-sony-acx565akm: fix bad unlock balance
AceLan Kao (2):
HID: usbhid: quirk for Synaptics Large Touchccreen
HID: usbhid: quirk for SiS Touchscreen
Alan Cox (1):
drivers/char/i8k.c: add Dell XPLS L421X
Alan Stern (1):
usb: dwc3: fix implementation of endpoint wedge
Alex Deucher (5):
drm/radeon: fix typo in fetching mpll params
drm/radeon: program DCE2 audio dto just like DCE3
drm/radeon: fixup bad vram size on SI
drm/radeon: atombios hw i2c fixes
drm/radeon/atom: fix bus probes when hw_i2c is set (v2)
Alexei Starovoitov (1):
ipv4: fix race in concurrent ip_route_input_slow()
Amir Vadai (1):
net/mlx4_en: Fixed crash when port type is changed
Andreas Henriksson (1):
net: Fix "ip rule delete table 256"
Andrey Vagin (1):
tcp: don't update snd_nxt, when a socket is switched from repair mode
Andy Adamson (1):
NFSv4 wait on recovery for async session errors
Andy Honig (3):
KVM: Improve create VCPU parameter (CVE-2013-4587)
KVM: x86: Fix potential divide by 0 in lapic (CVE-2013-6367)
KVM: x86: Convert vapic synchronization to _cached functions (CVE-2013-6368)
Anssi Hannula (1):
ALSA: hda - hdmi: Fix IEC958 ctl indexes for some simple HDMI devices
Antti Palosaari (3):
[media] af9035: add [0413:6a05] Leadtek WinFast DTV Dongle Dual
[media] af9035: fix broken I2C and USB I/O
[media] af9033: fix broken I2C
Arnaud Ebalard (2):
ARM: mvebu: fix second and third PCIe unit of Armada XP mv78260
ARM: mvebu: second PCIe unit of Armada XP mv78230 is only x1 capable
Ben Hutchings (1):
HID: kye: Fix missing break in kye_report_fixup()
Ben Segall (1):
sched: Avoid throttle_cfs_rq() racing with period_timer stopping
Benjamin Tissoires (1):
HID: kye: Add report fixup for Genius Manticore Keyboard
Bo Shen (1):
ASoC: wm8731: fix dsp mode configuration
Bob Copeland (1):
Revert "mac80211: allow disable power save in mesh"
Brian Carnes (1):
hwmon: (w83l786ng) Fix fan speed control mode setting and reporting
Carolyn Wyborny (1):
igb: Fix for issue where values could be too high for udelay function.
Chris Metcalf (1):
connector: improved unaligned access error fix
Colin Leitner (4):
USB: spcp8x5: correct handling of CS5 setting
USB: mos7840: correct handling of CS5 setting
USB: ftdi_sio: fixed handling of unsupported CSIZE setting
USB: pl2303: fixed handling of CS5 setting
Dan Carpenter (6):
isdnloop: use strlcpy() instead of strcpy()
net: clamp ->msg_namelen instead of returning an error
[media] af9035: unlock on error in af9035_i2c_master_xfer()
hwmon: Prevent some divide by zeros in FAN_TO_REG()
Btrfs: fix access_ok() check in btrfs_ioctl_send()
xfs: underflow bug in xfs_attrlist_by_handle()
Dan Williams (1):
[SCSI] libsas: fix usage of ata_tf_to_fis
Daniel Borkmann (2):
random32: fix off-by-one in seeding requirement
packet: fix use after free race in send path when dev is released
Dave Chinner (1):
xfs: growfs overruns AGFL buffer on V4 filesystems
David Chang (1):
r8169: check ALDPS bit and disable it if enabled for the 8168g
David Cluytens (1):
USB: cdc-acm: Added support for the Lenovo RD02-D400 USB Modem
David Henningsson (2):
ALSA: hda - Add mono speaker quirk for Dell Inspiron 5439
ALSA: hda - Fix headset mic input after muted internal mic (Dell/Realtek)
David Sterba (1):
btrfs: call mnt_drop_write after interrupted subvol deletion
Ding Tianhong (1):
bridge: flush br's address entry in fdb when remove the
Dmitry Eremin-Solenikov (1):
ARM: pxa: tosa: fix keys mapping
Duan Jiong (1):
ipv6: use rt6_get_dflt_router to get default router in rt6_route_rcv
Dwight Engen (1):
xfs: add capability check to free eofblocks ioctl
Emmanuel Grumbach (2):
iwlwifi: dvm: don't override mac80211's queue setting
iwlwifi: pcie: fix interrupt coalescing for 7260 / 3160
Eric Dumazet (5):
tcp: tsq: restore minimal amount of queueing
net-tcp: fix panic in tcp_fastopen_cache_set()
ipv4: fix possible seqlock deadlock
inet: fix possible seqlock deadlocks
sch_tbf: handle too small burst
Fangxiaozhi (Franko) (1):
USB: option: support new huawei devices
Felix Fietkau (1):
usbnet: fix status interrupt urb handling
Gerald Schaefer (1):
crypto: s390 - Fix aes-xts parameter corruption
Gleb Natapov (1):
KVM: x86: fix guest-initiated crash with x2apic (CVE-2013-6376)
Gregory CLEMENT (1):
ARM: mvebu: use the virtual CPU registers to access coherency registers
Gustavo Zacarias (1):
USB: serial: option: blacklist interface 1 for Huawei E173s-6
H. Peter Anvin (3):
x86-64, build: Always pass in -mno-sse
x86, build: Pass in additional -mno-mmx, -mno-sse options
x86, build, icc: Remove uninitialized_var() from compiler-intel.h
Hannes Frederic Sowa (9):
ipv6: fix headroom calculation in udp6_ufo_fragment
ipv6: protect for_each_sk_fl_rcu in mem_check with rcu_read_lock_bh
inet: prevent leakage of uninitialized memory to user in recv syscalls
net: rework recvmsg handler msg_name and msg_namelen logic
net: add BUG_ON if kernel advertises msg_namelen > sizeof(struct sockaddr_storage)
inet: fix addr_len/msg->msg_namelen assignment in recv_error and rxpmtu functions
ipv6: fix leaking uninitialized port number of offender sockaddr
ipv6: fix possible seqlock deadlock in ip6_finish_output2
ping: prevent NULL pointer dereference on write to msg_name
Hans Verkuil (3):
[media] bttv: don't setup the controls if there are no video devices
[media] tef6862/radio-tea5764: actually assign clamp result
[media] wm8775: fix broken audio routing
Helge Deller (2):
parisc: fix mmap(MAP_FIXED|MAP_SHARED) to already mmapped address
nfs: fix do_div() warning by instead using sector_div()
Herbert Xu (2):
gro: Only verify TCP checksums for candidates
gro: Clean up tcpX_gro_receive checksum verification
Hong H. Pham (1):
powerpc: Fix PTE page address mismatch in pgtable ctor/dtor
Hong Zhiguo (1):
Update of blkg_stat and blkg_rwstat may happen in bh context. While u64_stats_fetch_retry is only preempt_disable on 32bit UP system. This is not enough to avoid preemption by bh and may read strange 64 bit value.
Horia Geanta (1):
crypto: ccm - Fix handling of zero plaintext when computing mac
Hui Wang (3):
ALSA: hda - A Dell headset detection quirk
ALSA: hda - Another Dell headset detection quirk
ALSA: hda - One more Dell headset detection quirk
Ivan Vecera (1):
tg3: avoid double-freeing of rx data memory
James Bottomley (1):
[SCSI] enclosure: fix WARN_ON in dual path device removing
Jason Wang (2):
tuntap: limit head length of skb allocated
macvtap: limit head length of skb allocated
Jean Delvare (1):
hwmon: (w83l768ng) Fix fan speed control range
Jeff Layton (1):
nfsd: when reusing an existing repcache entry, unhash it first
Jerome Glisse (1):
radeon/i2c: do not count reg index in number of i2c byte we are writing.
Jim Quinlan (1):
MIPS: DMA: For BMIPS5000 cores flush region just like non-coherent R10000
Jiri Pirko (3):
ip6_output: fragment outgoing reassembled skb properly
netfilter: push reasm skb through instead of original frag skbs
team: fix master carrier set when user linkup is enabled
Joe Thornber (4):
dm thin: switch to read only mode if a mapping insert fails
dm thin: re-establish read-only state when switching to fail mode
dm thin: allow pool in read-only mode to transition to read-write mode
dm array: fix a reference counting bug in shadow_ablock
Joel Fernandes (1):
ARM: OMAP2+: Disable POSTED mode for errata i103 and i767
Johan Hovold (1):
USB: serial: fix race in generic write
Johannes Berg (3):
mac80211: fix scheduled scan rtnl deadlock
mac80211: don't attempt to reorder multicast frames
iwlwifi: mvm: check sta_id/drain values in debugfs
Joonyoung Shim (1):
lib/genalloc.c: fix overflow of ending address of memory chunk
José Miguel Gonçalves (1):
hwmon: HIH-6130: Support I2C bus drivers without I2C_FUNC_SMBUS_QUICK
Jukka Rissanen (1):
6lowpan: Uncompression of traffic class field was incorrect
Julian Stecklina (1):
iommu/vt-d: Fixed interaction of VFIO_IOMMU_MAP_DMA with IOMMU address limits
Julius Werner (1):
usb: hub: Use correct reset for wedged USB3 devices that are NOTATTACHED
KOBAYASHI Yoshitake (1):
mmc: block: fix a bug of error handling in MMC driver
Khalid Aziz (1):
PCI: Disable Bus Master only on kexec reboot
Konrad Rzeszutek Wilk (1):
cpuidle: Check for dev before deregistering it.
Konstantin Khlebnikov (2):
ARM: 7912/1: check stack pointer in get_wchan
ARM: 7913/1: fix framepointer check in unwind_frame
Laxman Dewangan (1):
irq: Enable all irqs unconditionally in irq_resume
Linus Pizunski (1):
drivers/rtc/rtc-at91rm9200.c: correct alarm over day/month wrap
Linus Torvalds (2):
vfs: fix subtle use-after-free of pipe_inode_info
futex: fix handling of read-only-mapped hugepages
Linus Walleij (1):
net: smc91: fix crash regression on the versatile
Liu Gang (1):
powerpc/gpio: Fix the wrong GPIO input data on MPC8572/MPC8536
Ludovic Desroches (1):
ARM: at91: sama5d3: reduce TWI internal clock frequency
Luis Henriques (1):
Linux 3.11.10.2
Madper Xie (1):
efi-pstore: Make efi-pstore return a unique id
Marc Kleine-Budde (2):
can: c_can: don't call pm_runtime_get_sync() from interrupt context
can: flexcan: use correct clock as base for bit rate calculation
Mark Brown (1):
ASoC: wm8990: Mark the register map as dirty when powering down
Martin K. Petersen (1):
[SCSI] Disable WRITE SAME for RAID and virtual host adapter drivers
Martin Schwidefsky (1):
time: Fix 1ns/tick drift w/ GENERIC_TIME_VSYSCALL_OLD
Mateusz Guzik (1):
aio: restore locking of ioctx list on removal
Matt Wilson (1):
xen/gnttab: leave lazy MMU mode in the case of a m2p override failure
Matthew Garrett (1):
x86, efi: Don't use (U)EFI time services on 32 bit
Maxime Ripard (1):
net: allwinner: emac: Add missing free_irq
Michael Grzeschik (1):
usb: gadget: composite: reset delayed_status on reset_config
Mika Westerberg (1):
spi/pxa2xx: add new ACPI IDs
Mike Snitzer (1):
dm space map metadata: return on failure in sm_metadata_new_block
Mikulas Patocka (4):
dm delay: fix a possible deadlock due to shared workqueue
dm snapshot: avoid snapshot space leak on crash
dm table: fail dm_table_create on dm_round_up overflow
dm bufio: initialize read-only module parameters
Miroslav Lichvar (1):
ntp: Make periodic RTC update more reliable
Neil Horman (1):
iommu: Remove stack trace from broken irq remapping warning
Nicolas Dichtel (1):
ip6tnl: fix use after free of fb_tnl_dev
Nikolay Aleksandrov (1):
bonding: fix two race conditions in bond_store_updelay/downdelay
Oliver Hartkopp (1):
can: sja1000: fix {pre,post}_irq() handling and IRQ handler return value
Oliver Neukum (1):
HID: hid-elo: some systems cannot stomach work around
Paul Moore (2):
selinux: handle TCP SYN-ACK packets correctly in selinux_ip_output()
selinux: handle TCP SYN-ACK packets correctly in selinux_ip_postroute()
Pierre Ossman (2):
drm/radeon/audio: improve ACR calculation
drm/radeon/audio: correct ACR table
Rafael J. Wysocki (1):
intel_pstate: Fix type mismatch warning
Rob Herring (1):
ARM: highbank: handle soft poweroff and reset key events
Russell King (3):
ARM: fix booting low-vectors machines
ARM: footbridge: fix VGA initialisation
ARM: footbridge: fix EBSA285 LEDs
Sasha Levin (1):
video: kyro: fix incorrect sizes when copying to userspace
Sebastian Andrzej Siewior (2):
usb: musb: cancel work on removal
usb: musb: only cancel work if it is initialized
Seiji Aguchi (1):
efivars, efi-pstore: Hold off deletion of sysfs entry until the scan is completed
Sergei Ianovich (1):
ARM: pxa: prevent PXA270 occasional reboot freezes
Shawn Landden (1):
net: update consumers of MSG_MORE to recognize MSG_SENDPAGE_NOTLAST
Simon Wood (1):
HID: lg: fix Report Descriptor for Logitech MOMO Force (Black)
Srinivas Pandruvada (1):
intel_pstate: fix no_turbo
Stefano Panella (1):
ALSA: memalloc.h - fix wrong truncation of dma_addr_t
Stephen M. Cameron (2):
[SCSI] hpsa: do not discard scsi status on aborted commands
[SCSI] hpsa: return 0 from driver probe function on success, not 1
Steve Capper (1):
arm64: mm: Fix PMD_SECT_PROT_NONE definition
Steven Whitehouse (1):
GFS2: Fix ref count bug relating to atomic_open
Sujith Manoharan (2):
ath9k: Fix QuickDrop usage
ath9k: Fix XLNA bias strength
Takashi Iwai (

:
ALSA: hda - Fix silent output on ASUS W7J laptop
ALSA: hda - Fix bad EAPD setup for HP machines with AD1984A
ALSA: hda - Another fixup for ASUS laptop with ALC660 codec
ALSA: hda - Use always amps for auto-mute on AD1986A codec
ALSA: hda - Fix silent output on MacBook Air 2,1
ALSA: compress: Fix 64bit ABI incompatibility
ALSA: hda - Mute all aamix inputs as default
ALSA: hda - Add static DAC/pin mapping for AD1986A codec
Tom Gundersen (2):
Input: allow deselecting serio drivers even without CONFIG_EXPERT
Input: mousedev - allow disabling even without CONFIG_EXPERT
Tom Lendacky (3):
crypto: authenc - Find proper IV address in ablkcipher callback
crypto: scatterwalk - Set the chain pointer indication bit
crypto: scatterwalk - Use sg_chain_ptr on chain entries
Tomas Winkler (2):
mei: me: add Lynx Point Wellsburg work station device id
mei: add 9 series PCH mei device ids
Tomoki Sekiyama (2):
elevator: Fix a race in elevator switching and md device initialization
elevator: acquire q->sysfs_lock in elevator_change()
Trond Myklebust (1):
NFSv4: Update list of irrecoverable errors on DELEGRETURN
Ujjal Roy (1):
mwifiex: fix memory leak issue for ibss join
Veaceslav Falico (2):
bonding: don't permit to use ARP monitoring in 802.3ad mode
af_packet: block BH in prb_shutdown_retire_blk_timer()
Vijaya Mohan Guvva (1):
[SCSI] bfa: Fix crash when symb name set for offline vport
Ville Syrjälä (1):
drm/i915: Fix pipe CSC post offset calculation
Vlad Yasevich (1):
net: core: Always propagate flag changes to interfaces
Wei Yongjun (1):
[media] saa7164: fix return value check in saa7164_initdev()
Will Deacon (1):
iommu/arm-smmu: use mutex instead of spinlock for locking page tables
Yang Yingliang (1):
net: 8139cp: fix a BUG_ON triggered by wrong bytes_compl
Ying Xue (1):
atm: idt77252: fix dev refcnt leak
fan.du (2):
xfrm: Release dst if this dst is improper for vti tunnel
{pktgen, xfrm} Update IPv4 header total len and checksum after tranformation
françois romieu (1):
via-velocity: fix netif_receive_skb use in irq disabled section.[/spoiler]
https://www.lwn.net/Articles/579262/Glimpse the fixes and tell me how much of it looks even slightly Ubuntu specific?
It looks to be almost all general bugfixes to me.
To my knowledge/experience, the 3.11 kernel does offer some superiority for users of some modern laptops over 3.10. With 3.12 being EOL'd soon and 3.13 only just off the hot plate, I don't think keeping the (Canonical) maintained 3.11 kernel around is a bad idea.
EDIT: I see now Ayceman already mentioned this on page 2

but i'm happy to reiterate it.
