[El-errata] ELSA-2021-1093 Important: Oracle Linux 8 kernel security, bug fix, and enhancement update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2021-1093

http://linux.oracle.com/errata/ELSA-2021-1093.html

The following updated rpms for Oracle Linux 8 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
bpftool-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-abi-whitelists-4.18.0-240.22.1.el8_3.noarch.rpm
kernel-core-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-cross-headers-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-debug-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-debug-core-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-debug-devel-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-debug-modules-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-debug-modules-extra-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-devel-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-doc-4.18.0-240.22.1.el8_3.noarch.rpm
kernel-headers-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-modules-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-modules-extra-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-tools-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-tools-libs-4.18.0-240.22.1.el8_3.x86_64.rpm
perf-4.18.0-240.22.1.el8_3.x86_64.rpm
python3-perf-4.18.0-240.22.1.el8_3.x86_64.rpm
kernel-tools-libs-devel-4.18.0-240.22.1.el8_3.x86_64.rpm

aarch64:
bpftool-4.18.0-240.22.1.el8_3.aarch64.rpm
kernel-cross-headers-4.18.0-240.22.1.el8_3.aarch64.rpm
kernel-headers-4.18.0-240.22.1.el8_3.aarch64.rpm
kernel-tools-4.18.0-240.22.1.el8_3.aarch64.rpm
kernel-tools-libs-4.18.0-240.22.1.el8_3.aarch64.rpm
perf-4.18.0-240.22.1.el8_3.aarch64.rpm
python3-perf-4.18.0-240.22.1.el8_3.aarch64.rpm
kernel-tools-libs-devel-4.18.0-240.22.1.el8_3.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-240.22.1.el8_3.src.rpm



Description of changes:

[4.18.0-240.22.1.el8_3.OL8]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted 
keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15-11.0.5.el8

[4.18.0-240.22.1.el8_3]
- futex: Handle faults correctly for PI futexes (Waiman Long) [1924633 
1924635] {CVE-2021-3347}
- futex: Simplify fixup_pi_state_owner() (Waiman Long) [1924633 1924635] 
{CVE-2021-3347}
- futex: Use pi_state_update_owner() in put_pi_state() (Waiman Long) 
[1924633 1924635] {CVE-2021-3347}
- futex: Provide and use pi_state_update_owner() (Waiman Long) [1924633 
1924635] {CVE-2021-3347}
- rtmutex: Remove unused argument from rt_mutex_proxy_unlock() (Waiman 
Long) [1924633 1924635] {CVE-2021-3347}
- futex: Replace pointless printk in fixup_owner() (Waiman Long) 
[1924633 1924635] {CVE-2021-3347}
- futex: Ensure the correct return value from futex_lock_pi() (Waiman 
Long) [1924633 1924635] {CVE-2021-3347}
- futex: Don't enable IRQs unconditionally in put_pi_state() (Waiman 
Long) [1924633 1924635] {CVE-2021-3347}
- futex: Fix incorrect should_fail_futex() handling (Waiman Long) 
[1924633 1924635] {CVE-2021-3347}
- futex: Consistently use fshared as boolean (Waiman Long) [1924633 
1924635] {CVE-2021-3347}
- futex: Remove needless goto's (Waiman Long) [1924633 1924635] 
{CVE-2021-3347}
- futex: Remove put_futex_key() (Waiman Long) [1924633 1924635] 
{CVE-2021-3347}
- scsi: iscsi: Verify lengths on passthrough PDUs (Chris Leech) [1930832 
1930833] {CVE-2021-27364}
- scsi: iscsi: Ensure sysfs attributes are limited to PAGE_SIZE (Chris 
Leech) [1930855 1930856] {CVE-2021-27365}
- scsi: iscsi: Restrict sessions and handles to admin capabilities 
(Chris Leech) [1940423 1930809] {CVE-2021-27363}

[4.18.0-240.21.1.el8_3]
- KVM: x86: Allow guests to see MSR_IA32_TSX_CTRL even if tsx=off (Paolo 
Bonzini) [1939013 1912448]
- gfs2: Fix deadlock between gfs2_{create_inode, inode_lookup} and 
delete_work_func (Andreas Gruenbacher) [1937109 1903190]
- gfs2: Don't call cancel_delayed_work_sync from within delete work 
function (Andreas Gruenbacher) [1937109 1903190]
- gfs2: Only access gl_delete for iopen glocks (Andreas Gruenbacher) 
[1937109 1903190]
- gfs2: Don't sleep during glock hash walk (Andreas Gruenbacher) 
[1937109 1903190]
- [netdrv] net/mlx5e: Add missing set of destination vport flags in 
termtbl create (Alaa Hleihel) [1924689 1851700]
- [tools] tools arch x86: Sync asm/cpufeatures.h with the kernel sources 
(David Arcari) [1929740 1916478]
- [x86] x86/cpu/amd: Call init_amd_zn() om Family 19h processors too 
(David Arcari) [1929740 1916478]

[4.18.0-240.20.1.el8_3]
- fix regression in "epoll: Keep a reference on files added to the check 
list" (Carlos Maiolino) [1920775 1920776] {CVE-2020-0466}
- do_epoll_ctl(): clean the failure exits up a bit (Carlos Maiolino) 
[1920775 1920776] {CVE-2020-0466}
- epoll: Keep a reference on files added to the check list (Carlos 
Maiolino) [1920775 1920776] {CVE-2020-0466}
- [kernel] sched/features: Distinguish between NORMAL and DEADLINE 
hrtick (Juri Lelli) [1930735 1912118]
- [kernel] sched/features: Fix hrtick reprogramming (Juri Lelli) 
[1930735 1912118]
- iommu/vt-d: Don't dereference iommu_device if IOMMU_API is not built 
(Vitaly Kuznetsov) [1932199 1887216]
- iommu/vt-d: Gracefully handle DMAR units with no supported address 
widths (Vitaly Kuznetsov) [1932199 1887216]
- iommu/vt-d: Skip TE disabling on quirky gfx dedicated iommu (Vitaly 
Kuznetsov) [1932199 1887216]
- net/vmw_vsock: fix NULL pointer dereference (Jon Maloy) [1925599 
1925600] {CVE-2021-26708}
- net/vmw_vsock: improve locking in vsock_connect_timeout() (Jon Maloy) 
[1925599 1925600] {CVE-2021-26708}
- vsock: fix locking in vsock_shutdown() (Jon Maloy) [1925599 1925600] 
{CVE-2021-26708}
- vsock: fix the race conditions in multi-transport support (Jon Maloy) 
[1925599 1925600] {CVE-2021-26708}
- [base] mm: don't panic when links can't be created in sysfs (Baoquan 
He) [1930168 1890171]
- mm: don't rely on system state to detect hot-plug operations (Baoquan 
He) [1930168 1890171]
- mm: replace memmap_context by meminit_context (Baoquan He) [1930168 
1890171]
- [tools] kvm: nvmx: check for invalid hdr.vmx.flags (Paolo Bonzini) 
[1923281 1904128]
- [x86] kvm: nvmx: check for required but missing VMCS12 in 
KVM_SET_NESTED_STATE (Paolo Bonzini) [1923281 1904128]
- [tools] selftests: kvm: do not set guest mode flag (Paolo Bonzini) 
[1923281 1904128]
- [x86] kvm: x86: fix CPUID entries returned by KVM_GET_CPUID2 ioctl 
(Paolo Bonzini) [1923281 1904128]
- [x86] kvm: svm: Fix offset computation bug in __sev_dbg_decrypt() 
(Paolo Bonzini) [1923281 1904128]
- [x86] kvm: nvmx: Sync unsync'd vmcs02 state to vmcs12 on migration 
(Paolo Bonzini) [1923281 1904128]
- [x86] kvm: x86: get smi pending status correctly (Paolo Bonzini) 
[1923281 1904128]
- [x86] kvm: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in 
intel_arch_events[] (Paolo Bonzini) [1923281 1904128]
- [x86] kvm: x86/pmu: Fix UBSAN shift-out-of-bounds warning in 
intel_pmu_refresh() (Paolo Bonzini) [1923281 1904128]
- [x86] kvm: x86: Add more protection against undefined behavior in 
rsvd_bits() (Paolo Bonzini) [1923281 1904128]
- [documentation] kvm: Forbid the use of tagged userspace addresses for 
memslots (Paolo Bonzini) [1923281 1904128]
- [x86] kvm: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest 
mode for VMX (Paolo Bonzini) [1923281 1904128]
- [x86] kvm: nsvm: cancel KVM_REQ_GET_NESTED_STATE_PAGES on nested 
vmexit (Paolo Bonzini) [1923281 1904128]
- [x86] kvm: nsvm: mark vmcb as dirty when forcingly leaving the guest 
mode (Paolo Bonzini) [1923281 1904128]
- [x86] kvm: nsvm: correctly restore nested_run_pending on migration 
(Paolo Bonzini) [1923281 1904128]
- [x86] kvm: x86: fix shift out of bounds reported by UBSAN (Paolo 
Bonzini) [1923281 1904128]
- [x86] kvm: x86: reinstate vendor-agnostic check on SPEC_CTRL cpuid 
bits (Paolo Bonzini) [1923281 1904128]
- [target] scsi: target: Fix XCOPY NAA identifier lookup (Maurizio 
Lombardi) [1900462 1900463] {CVE-2020-28374}
- scsi: qla2xxx: Fix mailbox Ch erroneous error (Nilesh Javali) [1924222 
1894578]
- [net] fix iteration for sctp transport seq_files (Xin Long) [1927521 
1916824]
- [scsi] scsi: lpfc: Fix initial FLOGI failure due to BBSCN not 
supported (Dick Kennedy) [1927921 1887549]
- [mm] mm, oom: remove oom_lock from oom_reaper (Waiman Long) [1929738 
1873759]

[4.18.0-240.19.1.el8_3]
- audit: trigger accompanying records when no rules present (Richard Guy 
Briggs) [1907520 1896480]
- revert: 1320a4052ea1 ("audit: trigger accompanying records when no 
rules present") (Richard Guy Briggs) [1907520 1896480]
- audit: issue CWD record to accompany LSM_AUDIT_DATA_* records (Richard 
Guy Briggs) [1907520 1896480]
- audit: remove unused !CONFIG_AUDITSYSCALL __audit_inode* stubs 
(Richard Guy Briggs) [1907520 1896480]
- redhat: use tags from git notes for zstream to generate changelog 
(Frantisek Hrbata)

[4.18.0-240.18.1.el8_3]
- [scsi] scsi: fnic: Do not call 'scsi_done()' for unhandled commands 
(Govindarajulu Varadarajan) [1925186 1870397]
- [target] scsi: target: iscsi: Fix cmd abort fabric stop race (Maurizio 
Lombardi) [1918354 1908215]
- [target] scsi: target: Modify core_tmr_abort_task() (Maurizio 
Lombardi) [1918363 1880395]
- [s390] s390/crypto: add arch_get_random_long() support (Vladis Dronov) 
[1915816 1904274]

[4.18.0-240.17.1.el8_3]
- [mm] mm/slub: fix panic in slab_alloc_node() (Oleksandr Natalenko) 
[1925511 1921056]
- [s390] s390/early: improve machine detection (Claudio Imbrenda) 
[1925508 1896307]
- [infiniband] RDMA/umem: Prevent small pages from being returned by 
ib_umem_find_best_pgsz() (Kamal Heib) [1924691 1903992]

[4.18.0-240.16.1.el8_3]
- [netdrv] net/mlx5e: Fix using wrong stats_grps in 
mlx5e_update_ndo_stats() (Alaa Hleihel) [1921060 1870593]
- [net] tcp: Fix potential use-after-free due to double kfree() (Florian 
Westphal) [1915529 1915164]
- [net] tcp: fix race condition when creating child sockets from 
syncookies (Florian Westphal) [1915529 1915164]
- [x86] kvm: ioapic: break infinite recursion on lazy EOI (Vitaly 
Kuznetsov) [1906438 1882793]