[El-errata] ELSA-2021-9223 Important: Oracle Linux Cloud Native Environment 1.1 Unbreakable Enterprise kernel-container security update

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Mon May 10 13:07:51 PDT 2021

Oracle Linux Cloud Native Environment Security Advisory ELSA-2021-9223


The following updated rpms for Oracle Linux Cloud Native Environment 1.1 have been uploaded to the Unbreakable Linux Network:



Related CVEs:


Description of changes:

- 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}

- 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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