This bug was fixed in the package linux - 4.18.0-16.17
---------------
linux (4.18.0-16.17) cosmic; urgency=medium
* linux: 4.18.0-16.17 -proposed tracker (LP: #1814749)
* Packaging resync (LP: #1786013)
- [Packaging] update helper scripts
* CVE-2018-16880
- vhost: fix OOB in get_rx_bufs()
* RTL8822BE WiFi Disabled in Kernel 4.18.0-12 (LP: #1806472)
- SAUCE: staging: rtlwifi: allow RTLWIFI_DEBUG_ST to be disabled
- [Config] CONFIG_RTLWIFI_DEBUG_ST=n
- SAUCE: Add r8822be to signature inclusion list
* kernel oops in bcache module (LP: #1793901)
- SAUCE: bcache: never writeback a discard operation
* CVE-2018-18397
- userfaultfd: use ENOENT instead of EFAULT if the atomic copy user fails
- userfaultfd: shmem: allocate anonymous memory for MAP_PRIVATE shmem
- userfaultfd: shmem/hugetlbfs: only allow to register VM_MAYWRITE vmas
- userfaultfd: shmem: add i_size checks
- userfaultfd: shmem: UFFDIO_COPY: set the page dirty if VM_WRITE is not set
* Ignore "incomplete report" from Elan touchpanels (LP: #1813733)
- HID: i2c-hid: Ignore input report if there's no data present on Elan
touchpanels
* Vsock connect fails with ENODEV for large CID (LP: #1813934)
- vhost/vsock: fix vhost vsock cid hashing inconsistent
* Fix non-working pinctrl-intel (LP: #1811777)
- pinctrl: intel: Do pin translation in other GPIO operations as well
* ip6_gre: fix tunnel list corruption for x-netns (LP: #1812875)
- ip6_gre: fix tunnel list corruption for x-netns
* Backported commit breaks audio (fixed upstream) (LP: #1811566)
- ASoC: intel: cht_bsw_max98090_ti: Add quirk for boards using pmc_plt_clk_0
- ASoC: intel: cht_bsw_max98090_ti: Add pmc_plt_clk_0 quirk for Chromebook
Clapper
- ASoC: intel: cht_bsw_max98090_ti: Add pmc_plt_clk_0 quirk for Chromebook
Gnawty
* kvm_stat : missing python dependency (LP: #1798776)
- tools/kvm_stat: switch to python3
* [SRU] Fix Xorg crash with nomodeset when BIOS enable 64-bit fb addr
(LP: #1812797)
- vgaarb: Add support for 64-bit frame buffer address
- vgaarb: Keep adding VGA device in queue
* Fix non-working QCA Rome Bluetooth after S3 (LP: #1812812)
- USB: Add new USB LPM helpers
- USB: Consolidate LPM checks to avoid enabling LPM twice
* [SRU] IO's are issued with incorrect Scatter Gather Buffer (LP: #1795453)
- scsi: megaraid_sas: Use 63-bit DMA addressing
* x86/mm: Found insecure W+X mapping at address (ptrval)/0xc00a0000
(LP: #1813532)
- x86/mm: Do not warn about PCI BIOS W+X mappings
* CVE-2019-6133
- fork: record start_time late
* Fix not working Goodix touchpad (LP: #1811929)
- HID: i2c-hid: Disable runtime PM on Goodix touchpad
* bluetooth controller not detected with 4.15 kernel (LP: #1810797)
- SAUCE: btqcomsmd: introduce BT_QCOMSMD_HACK
- [Config] arm64: snapdragon: BT_QCOMSMD_HACK=y
* X1 Extreme: only one of the two SSDs is loaded (LP: #1811755)
- nvme-core: rework a NQN copying operation
- nvme: pad fake subsys NQN vid and ssvid with zeros
- nvme: introduce NVME_QUIRK_IGNORE_DEV_SUBNQN
* Crash on "ip link add foo type ipip" (LP: #1811803)
- SAUCE: fan: Fix NULL pointer dereference
-- Stefan Bader <stefan.ba...@canonical.com> Thu, 07 Feb 2019 23:23:02
+0100
** Changed in: linux (Ubuntu Cosmic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1813934
Title:
Vsock connect fails with ENODEV for large CID
Status in Ubuntu on IBM z Systems:
Fix Committed
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Released
Bug description:
- Problem Descripion:
Kernel 4.19 introduced a bug in the Vsock protocol when using a large Context
ID.
E.g.
CID 0xfff000 works correctly but
CID 0xfff001 fails with ENODEV when trying to connect to the listener.
The issue now also shows up in Ubuntu 18.04 with
-> kernel 4.15.0-44-generic #47-Ubuntu
on x86_64 and s390x.
It is already fixed upstream kernel by:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7fbe078c37aba3088359c9256c1a1d0c3e39ee81
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-z-systems/+bug/1813934/+subscriptions
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