This bug was fixed in the package linux-kvm - 4.15.0-1140.145
---------------
linux-kvm (4.15.0-1140.145) bionic; urgency=medium
* bionic/linux-kvm: 4.15.0-1140.145 -proposed tracker (LP: #2016615)
* glibc fails for bionic-kvm 4.15.0-1136.141 (LP: #2009442)
- [Config] kvm: Add support for modifying LDT
[ Ubuntu: 4.15.0-211.222 ]
* bionic/linux: 4.15.0-211.222 -proposed tracker (LP: #2016623)
* Debian autoreconstruct Fix restoration of execute permissions (LP: #2015498)
- [Debian] autoreconstruct - fix restoration of execute permissions
* kernel: fix __clear_user() inline assembly constraints (LP: #2013088)
- s390/uaccess: add missing earlyclobber annotations to __clear_user()
* Fix selftests/ftracetests/Meta-selftests (LP: #2006453)
- selftests/ftrace: Fix bash specific "==" operator
* Bionic update: upstream stable patchset 2023-04-05 (LP: #2015399)
- firewire: fix memory leak for payload of request subaction to IEC 61883-1
FCP region
- bus: sunxi-rsb: Fix error handling in sunxi_rsb_init()
- ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path()
- netrom: Fix use-after-free caused by accept on already connected socket
- squashfs: harden sanity check in squashfs_read_xattr_id_table
- sctp: do not check hb_timer.expires when resetting hb_timer
- net: openvswitch: fix flow memory leak in ovs_flow_cmd_new
- scsi: target: core: Fix warning on RT kernels
- scsi: iscsi_tcp: Fix UAF during login when accessing the shost ipaddress
- net/x25: Fix to not accept on connected socket
- usb: gadget: f_fs: Fix unbalanced spinlock in __ffs_ep0_queue_wait
- fbcon: Check font dimension limits
- watchdog: diag288_wdt: do not use stack buffers for hardware data
- watchdog: diag288_wdt: fix __diag288() inline assembly
- efi: Accept version 2 of memory attributes table
- iio: hid: fix the retval in accel_3d_capture_sample
- iio: adc: berlin2-adc: Add missing of_node_put() in error path
- iio:adc:twl6030: Enable measurements of VUSB, VBAT and others
- parisc: Fix return code of pdc_iodc_print()
- parisc: Wire up PTRACE_GETREGS/PTRACE_SETREGS for compat case
- mm: hugetlb: proc: check for hugetlb shared PMD in /proc/PID/smaps
- mm/swapfile: add cond_resched() in get_swap_pages()
- Squashfs: fix handling and sanity checking of xattr_ids count
- serial: 8250_dma: Fix DMA Rx completion race
- serial: 8250_dma: Fix DMA Rx rearm race
- btrfs: limit device extents to the device size
- ALSA: emux: Avoid potential array out-of-bound in snd_emux_xg_control()
- ALSA: pci: lx6464es: fix a debug loop
- pinctrl: aspeed: Fix confusing types in return value
- pinctrl: single: fix potential NULL dereference
- net: USB: Fix wrong-direction WARNING in plusb.c
- usb: core: add quirk for Alcor Link AK9563 smartcard reader
- migrate: hugetlb: check for hugetlb shared PMD in node migration
- tools/virtio: fix the vringh test for virtio ring changes
- net/rose: Fix to not accept on connected socket
- nvme-fc: fix a missing queue put in nvmet_fc_ls_create_association
- aio: fix mremap after fork null-deref
- mmc: sdio: fix possible resource leaks in some error paths
- ALSA: hda/conexant: add a new hda codec SN6180
- hugetlb: check for undefined shift on 32 bit architectures
- revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
- i40e: add double of VLAN header when computing the max MTU
- net: bgmac: fix BCM5358 support by setting correct flags
- dccp/tcp: Avoid negative sk_forward_alloc by ipv6_pinfo.pktoptions.
- net/usb: kalmia: Don't pass act_len in usb_bulk_msg error path
- net: stmmac: Restrict warning on disabling DMA store and fwd mode
- ipv6: Fix datagram socket connection with DSCP.
- ipv6: Fix tcp socket connection with DSCP.
- i40e: Add checking for null for nlmsg_find_attr()
- kvm: initialize all of the kvm_debugregs structure before sending it to
userspace
- nilfs2: fix underflow in second superblock position calculations
- ata: libata: Fix sata_down_spd_limit() when no link speed is reported
- vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF
- thermal: intel: int340x: Protect trip temperature from concurrent updates
- iio:adc:twl6030: Enable measurement of VAC
- IB/hfi1: Restore allocated resources on failed copyout
- net: phy: meson-gxl: use MMD access dummy stubs for GXL, internal PHY
- riscv: Fixup race condition on PG_dcache_clean in flush_icache_pte
- arm64: dts: meson-gx: Make mmc host controller interrupts level-sensitive
- wifi: rtl8xxxu: gen2: Turn on the rate control
- powerpc: dts: t208x: Mark MAC1 and MAC2 as 10G
- random: always mix cycle counter in add_latent_entropy()
- powerpc: dts: t208x: Disable 10G on MAC1 and MAC2
- alarmtimer: Prevent starvation by small intervals and SIG_IGN
- uaccess: Add speculation barrier to copy_from_user()
- wifi: mwifiex: Add missing compatible string for SD8787
- bpf: add missing header file include
- vc_screen: don't clobber return value in vcs_read
- dmaengine: sh: rcar-dmac: Check for error num after dma_set_max_seg_size
* CVE-2023-1118
- media: rc: Fix use-after-free bugs caused by ene_tx_irqsim()
-- Andrei Gherzan <andrei.gher...@canonical.com> Wed, 26 Apr 2023
10:16:21 +0100
** Changed in: linux-kvm (Ubuntu Bionic)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-1118
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https://bugs.launchpad.net/bugs/2009442
Title:
glibc fails for bionic-kvm 4.15.0-1136.141
Status in autopkgtest package in Ubuntu:
Invalid
Status in linux-kvm package in Ubuntu:
Invalid
Status in autopkgtest source package in Bionic:
Invalid
Status in linux-kvm source package in Bionic:
Fix Released
Status in autopkgtest source package in Focal:
Invalid
Status in linux-kvm source package in Focal:
Fix Committed
Bug description:
SRU Justification:
[Impact]
bionic linux-kvm failure
https://autopkgtest.ubuntu.com/results/autopkgtest-bionic/bionic/amd64/g/glibc/20230213_154436_b51c9@/log.gz
From logs
FAIL: misc/tst-bz21269
original exit status 1
error: ../sysdeps/unix/sysv/linux/i386/tst-bz21269.c:55: not true: syscall
(SYS_modify_ldt, 1, ptr, bytecount) == 0
error: 1 test failures
Syscall modify_ldt is not enabled because CONFIG_MODIFY_LDT_SYSCALL=n
for bionic-kvm, even though generic and newer versions (even kvm
derivativatives) have it enabled.
[Fix]
Custom patch to bionic-kvm to enable CONFIG_MODIFY_LDT_SYSCALL
[Test Plan]
Before the fix, autopkgtest for glibc will fail with
+---------------------------------------------------------------------+
| Encountered regressions that don't match expected failures. |
+---------------------------------------------------------------------+
FAIL: misc/tst-bz21269
After the fix, it should pass
[Where problems could occur]
Regression probability is pretty low, we are adding functionality not
previously present but looking at focal,jammy this test was fine.
Note: Not sure why this was not enabled for bionic-kvm, even though
newer versions of linux kvm has it enabled.
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