Oracle alert ELSA-2021-9222 (kernel)

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Errata Announcements for Oracle Linux <el-errata@oss.oracle.com>
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el-errata@oss.oracle.com
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[El-errata] ELSA-2021-9222 Important: Oracle Linux 7 Unbreakable Enterprise kernel security update
Date:
             
 
Mon, 10 May 2021 13:07:22 -0700
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<6099927a.c1Z/lIHgd4VCZlpQ%keshav.sharma@oracle.com>
Oracle Linux Security Advisory ELSA-2021-9222

http://linux.oracle.com/errata/ELSA-2021-9222.html

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

x86_64:
kernel-uek-4.14.35-2047.503.1.el7uek.x86_64.rpm
kernel-uek-debug-4.14.35-2047.503.1.el7uek.x86_64.rpm
kernel-uek-debug-devel-4.14.35-2047.503.1.el7uek.x86_64.rpm
kernel-uek-devel-4.14.35-2047.503.1.el7uek.x86_64.rpm
kernel-uek-tools-4.14.35-2047.503.1.el7uek.x86_64.rpm
kernel-uek-doc-4.14.35-2047.503.1.el7uek.noarch.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/kernel-uek-4.14.3...

Related CVEs:

CVE-2020-27170
CVE-2020-27171
CVE-2021-28688
CVE-2021-28964
CVE-2021-28971
CVE-2021-29154
CVE-2021-29650
CVE-2021-3428




Description of changes:

[4.14.35-2047.503.1.el7uek]
- bpf, x86: Validate computation of branch displacements for x86-64 (Piotr Krysiuk)  [Orabug:
32759961]  {CVE-2021-29154}
- uek-rpm: Add Amazon Elastic Network Adapter module to nano rpm. (Somasundaram Krishnasamy)
[Orabug: 32781585]
- ext4: handle error of ext4_setup_system_zone() on remount (Jan Kara)  [Orabug: 32656590]
{CVE-2021-3428}

[4.14.35-2047.503.0.el7uek]
- tcp: do not mess with cloned skbs in tcp_add_backlog() (Eric Dumazet)  [Orabug: 32660047]
- iommu/amd: Set DTE[IntTabLen] to represent 512 IRTEs (Suravee Suthikulpanit)  [Orabug: 32640437]
- iommu/amd: Increase interrupt remapping table limit to 512 entries (Suravee Suthikulpanit)
[Orabug: 32640437]
- rds: ib: move statistics counting from caller to callee in rds_ib_recv_refill (Håkon Bugge)
[Orabug: 32702021]
- uek-rpm: Enable IRQ time accounting option for UEK5 (Saeed Mirzamohammadi)  [Orabug: 32733985]
- btrfs: fix race when cloning extent buffer during rewind of an old root (Filipe Manana)  [Orabug:
32669453]  {CVE-2021-28964}
- perf/x86/intel: Fix a crash caused by zero PEBS status (Kan Liang)  [Orabug: 32669472]
{CVE-2021-28971}
- xen-blkback: don't leak persistent grants from xen_blkbk_map() (Jan Beulich)  [Orabug: 32697854]
{CVE-2021-28688}
- ocfs2: fix deadlock between setattr and dio_end_io_write (Wengang Wang)  [Orabug: 32545320]
- rds: Add code to debug rds_tcp loopback hang (Rao Shoaib)  [Orabug: 32422982]
- bpf: Add sanity check for upper ptr_limit (Piotr Krysiuk)  [Orabug: 32656764]  {CVE-2020-27170}
{CVE-2020-27171}
- bpf: Simplify alu_limit masking for pointer arithmetic (Piotr Krysiuk)  [Orabug: 32656764]
{CVE-2020-27170} {CVE-2020-27171}
- bpf: Prohibit alu ops for pointer types not defining ptr_limit (Piotr Krysiuk)  [Orabug:
32656764]  {CVE-2020-27170} {CVE-2020-27171}
- netfilter: x_tables: Use correct memory barriers. (Mark Tomlinson)  [Orabug: 32709123]
{CVE-2021-29650}
- netfilter: x_tables: make xt_replace_table wait until old rules are not used anymore (Florian
Westphal)  [Orabug: 32709123]  {CVE-2021-29650}


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