[El-errata] ELBA-2021-2314-1 N/A: Oracle Linux 7 kernel bug fix update

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Thu Jun 10 08:53:27 PDT 2021

Oracle Linux Bug Fix Advisory ELBA-2021-2314-1


The following updated rpms for Oracle Linux 7 have been uploaded to the Unbreakable Linux Network:



Description of changes:

- [xen/balloon] Support xend-based toolstack (Orabug: 28663970)
- [x86/apic/x2apic] avoid allocate multiple irq vectors for a single interrupt on multiple cpu, otherwise irq vectors would be used up when there are only 2 cpu online per node. [Orabug: 28691156]
- [bonding] avoid repeated display of same link status change. [Orabug: 28109857]
- [ipc] ipc/sem.c: bugfix for semctl(,,GETZCNT) (Manfred Spraul) [Orabug: 22552377
- kexec: Increase KEXEC_AUTO_RESERVED_SIZE to 256M [Orabug: 31517048]

- Update Oracle Linux certificates (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was compiled into kernel (olkmod_signing_key.x509)(alexey.petrenko at oracle.com)
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15-2.0.9.el7
- Update oracle(kernel-sig-key) value to match new certificate (Ilya Okomin)

- mm/userfaultfd: do not access vma->vm_mm after calling handle_userfault() (Philipp Rudo) [1917840]
- scsi: qla2xxx: Fix the call trace for flush workqueue (Nilesh Javali) [1937945]
- futex: Handle faults correctly for PI futexes (Donghai Qiao) [1935108] {CVE-2021-3347}
- futex: Provide and use pi_state_update_owner() (Donghai Qiao) [1935108] {CVE-2021-3347}
- futex: Replace pointless printk in fixup_owner() (Donghai Qiao) [1935108] {CVE-2021-3347}
- futex: Ensure the correct return value from futex_lock_pi() (Donghai Qiao) [1935108] {CVE-2021-3347}
- scsi: qla2xxx: Remove WARN_ON_ONCE in qla2x00_status_cont_entry() (Nilesh Javali) [1933784]
- scsi: zfcp: add handling for FCP_RESID_OVER to the fcp ingress path (Philipp Rudo) [1917839]
- net: netfilter: Avoid deadlock when loading logger backend (Phil Sutter) [1858329]
- net: netfilter: Link nfnetlink into bzImage (Phil Sutter) [1858329]

- pf: Prohibit alu ops for pointer types not defining ptr_limit (Jiri Olsa) [1942689] {CVE-2020-27170}
- bpf: Add sanity check for upper ptr_limit (Jiri Olsa) [1942689] {CVE-2020-27170}
- bpf: Simplify alu_limit masking for pointer arithmetic (Jiri Olsa) [1942689] {CVE-2020-27170}
- bpf: Fix off-by-one for area size in creating mask to left (Jiri Olsa) [1942689] {CVE-2020-27170}
- netxen_nic: fix MSI/MSI-x interrupts (Tony Camuso) [1894274]
- block: fix use-after-free on cached last_lookup partition (Ming Lei) [1898596]
- mm: reduce struct page_cgroup overhead when page_owner is not enabled (Rafael Aquini) [1948451]
- vt: selection, close sel_buffer race (Chris von Recklinghausen) [1831034] {CVE-2020-8648}

- drm/i915: warn on guc enable about CVE (Dave Airlie) [1935277] {CVE-2020-12362}
- sched: prevent divide by zero error in scale_rt_power() (Phil Auld) [1910763]
- x86/efi: reset the correct tlb_state in efi_switch_mm() (Rafael Aquini) [1837531]
- x86/mm, sched/core: Turn off IRQs in switch_mm() (Rafael Aquini) [1837531]
- x86/mm, sched/core: Uninline switch_mm() (Rafael Aquini) [1837531]
- x86/mm: Build arch/x86/mm/tlb.c even on !SMP (Rafael Aquini) [1837531]
- hpsa: fix regression issue for old controllers (Joseph Szczypek) [1830268]
- scsi: hpsa: Correct dev cmds outstanding for retried cmds (Joseph Szczypek) [1830268]

- i40e: acquire VSI pointer only after VF is initialized (Stefan Assmann) [1886003]
- ACPICA: Store GPE register enable masks upfront (Al Stone) [1883174]
- netfilter: nf_tables: validate NFTA_SET_TABLE parameter (Phil Sutter) [1873171]
- sctp: change to hold/put transport for proto_unreach_timer (Xin Long) [1707184]

- video: hyperv: hyperv_fb: Obtain screen resolution from Hyper-V host (Mohammed Gamal) [1941841]
- Drivers: hv: vmbus: enable VMBus protocol version 5.0 (Mohammed Gamal) [1941841]
- redhat: Add git suffix to realtime_check merge_tree (Juri Lelli)

- selinux: fix deadlock in security_set_bools() (Ondrej Mosnacek) [1939091]
- md: fix md io stats accounting broken (Ming Lei) [1927106]
- redhat: Fix realtime_check for -private (Juri Lelli)

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