This bug was fixed in the package linux - 4.15.0-129.132
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linux (4.15.0-129.132) bionic; urgency=medium
* bionic/linux: 4.15.0-129.132 -proposed tracker (LP: #1907635)
* Packaging resync (LP: #1786013)
- update dkms package versions
* Ubuntu 18.04- call trace in kernel buffer when unloading ib_ipoib module
(LP: #1904848)
- SAUCE: net/mlx5e: IPoIB, initialize update_stat_work for ipoib devices
* memory is leaked when tasks are moved to net_prio (LP: #1886859)
- netprio_cgroup: Fix unlimited memory leak of v2 cgroups
* s390: dbginfo.sh triggers kernel panic, reading from
/sys/kernel/mm/page_idle/bitmap (LP: #1904884)
- mm/page_idle.c: skip offline pages
* Bionic update: upstream stable patchset 2020-11-23 (LP: #1905333)
- drm/i915: Break up error capture compression loops with cond_resched()
- tipc: fix use-after-free in tipc_bcast_get_mode
- gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP
- gianfar: Account for Tx PTP timestamp in the skb headroom
- net: usb: qmi_wwan: add Telit LE910Cx 0x1230 composition
- sctp: Fix COMM_LOST/CANT_STR_ASSOC err reporting on big-endian platforms
- sfp: Fix error handing in sfp_probe()
- Blktrace: bail out early if block debugfs is not configured
- i40e: Fix of memory leak and integer truncation in i40e_virtchnl.c
- Fonts: Replace discarded const qualifier
- ALSA: usb-audio: Add implicit feedback quirk for Qu-16
- lib/crc32test: remove extra local_irq_disable/enable
- kthread_worker: prevent queuing delayed work from timer_fn when it is
being
canceled
- mm: always have io_remap_pfn_range() set pgprot_decrypted()
- gfs2: Wake up when sd_glock_disposal becomes zero
- ftrace: Fix recursion check for NMI test
- ftrace: Handle tracing when switching between context
- tracing: Fix out of bounds write in get_trace_buf
- futex: Handle transient "ownerless" rtmutex state correctly
- ARM: dts: sun4i-a10: fix cpu_alert temperature
- x86/kexec: Use up-to-dated screen_info copy to fill boot params
- of: Fix reserved-memory overlap detection
- blk-cgroup: Fix memleak on error path
- blk-cgroup: Pre-allocate tree node on blkg_conf_prep
- scsi: core: Don't start concurrent async scan on same host
- vsock: use ns_capable_noaudit() on socket create
- drm/vc4: drv: Add error handding for bind
- ACPI: NFIT: Fix comparison to '-ENXIO'
- vt: Disable KD_FONT_OP_COPY
- fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent
- serial: 8250_mtk: Fix uart_get_baud_rate warning
- serial: txx9: add missing platform_driver_unregister() on error in
serial_txx9_init
- USB: serial: cyberjack: fix write-URB completion race
- USB: serial: option: add Quectel EC200T module support
- USB: serial: option: add LE910Cx compositions 0x1203, 0x1230, 0x1231
- USB: serial: option: add Telit FN980 composition 0x1055
- USB: Add NO_LPM quirk for Kingston flash drive
- usb: mtu3: fix panic in mtu3_gadget_stop()
- ARC: stack unwinding: avoid indefinite looping
- Revert "ARC: entry: fix potential EFA clobber when TIF_SYSCALL_TRACE"
- PM: runtime: Resume the device earlier in __device_release_driver()
- btrfs: extent_io: add proper error handling to lock_extent_buffer_for_io()
- Btrfs: fix unwritten extent buffers and hangs on future writeback attempts
- btrfs: tree-checker: fix the error message for transid error
- mm: mempolicy: fix potential pte_unmap_unlock pte error
- tools: perf: Fix build error in v4.19.y
- net: dsa: read mac address from DT for slave device
- arm64: dts: marvell: espressobin: Add ethernet switch aliases
* Bionic update: upstream stable patchset 2020-11-23 (LP: #1905333) //
CVE-2019-19770 which shows this issue is not a core debugfs issue, but
- blktrace: fix debugfs use after free
* Bionic update: upstream stable patchset 2020-11-18 (LP: #1904791)
- scripts/setlocalversion: make git describe output more reliable
- arm64: link with -z norelro regardless of CONFIG_RELOCATABLE
- gtp: fix an use-before-init in gtp_newlink()
- ravb: Fix bit fields checking in ravb_hwtstamp_get()
- tipc: fix memory leak caused by tipc_buf_append()
- arch/x86/amd/ibs: Fix re-arming IBS Fetch
- x86/xen: disable Firmware First mode for correctable memory errors
- fuse: fix page dereference after free
- p54: avoid accessing the data mapped to streaming DMA
- mtd: lpddr: Fix bad logic in print_drs_error
- ata: sata_rcar: Fix DMA boundary mask
- fscrypt: return -EXDEV for incompatible rename or link into encrypted dir
- x86/unwind/orc: Fix inactive tasks with stack pointer in %sp on GCC 10
compiled kernels
- mlxsw: core: Fix use-after-free in mlxsw_emad_trans_finish()
- futex: Fix incorrect should_fail_futex() handling
- powerpc/powernv/smp: Fix spurious
