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Security Fix(es):
- kernel: use after free in eventpoll.c may lead to escalation of privilege (CVE-2020-0466)
- kernel: SCSI target (LIO) write to any block on ILO backstore (CVE-2020-28374)
- kernel: Use after free via PI futex state (CVE-2021-3347)
- kernel: race conditions caused by wrong locking in net/vmw_vsock/af_vsock.c (CVE-2021-26708)
- kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)
- kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)
- Kernel: KVM: host stack overflow due to lazy update IOAPIC (CVE-2020-27152)
- kernel: iscsi: unrestricted access to sessions and handles (CVE-2021-27363)
Bug Fix(es):
- race condition when creating child sockets from syncookies (BZ#1915529)
- On System Z, a hash needs state randomized for entropy extraction (BZ#1915816)
- scsi: target: core_tmr_abort_task() reporting multiple aborts for the same se_cmd->tag (BZ#1918354)
- [mlx5] VF interface stats are not reflected in "ip -s link show" / "ifconfig " commands (BZ#1921060)
- Win10 guest automatic reboot after migration in Win10 and WSL2 on Intel hosts (BZ#1923281)
- [RHEL 8.3] Repeated messages - Unable to burst-read optrom segment (BZ#1924222)
- Backport bug fix RDMA/umem: Prevent small pages from being returned by ib_umem_find_best_pgsz (BZ#1924691)
- [Cisco 8.3] RHEL/Cent 8.2 fNIC driver needs a patch fix that addresses crash (BZ#1925186)
- RHEL8.3 - The kernel misdetects zCX with z/VM (BZ#1925508)
- Backport 22e4663e91 ("mm/slub: fix panic in slab_alloc_node()") (BZ#1925511)
- SCTP "Address already in use" when no active endpoints from RHEL 8.2 onwards (BZ#1927521)
- lpfc: Fix initial FLOGI failure due to BBSCN not supported (BZ#1927921)
- [mm] mm, oom: remove oom_lock from oom_reaper (BZ#1929738)
- Unexpected thread movement with AMD Milan compared to Rome (BZ#1929740)
- rpmbuild cannot build the userspace RPMs in the kernel package when the kernel itself is not built (BZ#1929910)
- [Regression] RHEL8.2 - ISST-LTE:pVM:diapvmlp83:sum:memory DLPAR fails to add memory on multiple trials[mm/memory_hotplug.c:1163] (mm-) (BZ#1930168)
- Configuring the system with non-RT kernel will hang the system (BZ#1930735)
- Upstream Patch for Gracefully handle DMAR units with no supported address widthsx86/vt-d (BZ#1932199)
- gfs2: Deadlock between gfs2_{create_inode,inode_lookup} and delete_work_func (BZ#1937109)
- Failing on tsx-ctrl when the flag doesn't change anything (BZ#1939013)
Enhancement(s):
- RFE: Backport all Audit enhancements and fixes up to version 5.10-rc1 (BZ#1907520)
- RHEL8.4: Update the target driver (BZ#1918363)
- [Mellanox 8.4 FEAT] mlx5: Hairpin Support in Switch Mode (BZ#1924689)
https://access.redhat.com/errata/product/479/ver=/rhel---8/x86_64/RHSA-2021:1093
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