" 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) "> OVAL Reference oval:com.redhat.rhsa:def:20211093 - CERT Civis.Net
Oval Definition:oval:com.redhat.rhsa:def:20211093
Revision Date:2021-04-06Version:644
Title:RHSA-2021:1093: kernel security, bug fix, and enhancement update (Important)
Description:The kernel packages contain the Linux kernel, the core of any Linux operating system.

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)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    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)
  • Family:unixClass:patch
    Status:Reference(s):CVE-2020-0466
    CVE-2020-27152
    CVE-2020-28374
    CVE-2021-26708
    CVE-2021-27363
    CVE-2021-27364
    CVE-2021-27365
    CVE-2021-3347
    RHSA-2021:1093
    Platform(s):Red Hat Enterprise Linux 8
    Product(s):
    Definition Synopsis
  • Red Hat Enterprise Linux must be installed
  • OR Package Information
  • Red Hat Enterprise Linux 8 is installed
  • OR Red Hat CoreOS 4 is installed
  • AND
  • kernel earlier than 0:4.18.0-240.22.1.el8_3 is currently running
  • OR kernel earlier than 0:4.18.0-240.22.1.el8_3 is set to boot up on next boot
  • AND
  • bpftool is earlier than 0:4.18.0-240.22.1.el8_3
  • AND bpftool is signed with Red Hat redhatrelease2 key
  • kernel is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel is signed with Red Hat redhatrelease2 key
  • kernel-abi-whitelists is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-abi-whitelists is signed with Red Hat redhatrelease2 key
  • kernel-core is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-core is signed with Red Hat redhatrelease2 key
  • kernel-cross-headers is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-cross-headers is signed with Red Hat redhatrelease2 key
  • kernel-debug is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-debug is signed with Red Hat redhatrelease2 key
  • kernel-debug-core is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-debug-core is signed with Red Hat redhatrelease2 key
  • kernel-debug-devel is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-debug-devel is signed with Red Hat redhatrelease2 key
  • kernel-debug-modules is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-debug-modules is signed with Red Hat redhatrelease2 key
  • kernel-debug-modules-extra is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-debug-modules-extra is signed with Red Hat redhatrelease2 key
  • kernel-devel is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-devel is signed with Red Hat redhatrelease2 key
  • kernel-doc is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-doc is signed with Red Hat redhatrelease2 key
  • kernel-modules is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-modules is signed with Red Hat redhatrelease2 key
  • kernel-modules-extra is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-modules-extra is signed with Red Hat redhatrelease2 key
  • kernel-tools is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-tools is signed with Red Hat redhatrelease2 key
  • kernel-tools-libs is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-tools-libs is signed with Red Hat redhatrelease2 key
  • kernel-tools-libs-devel is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-tools-libs-devel is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-zfcpdump is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump-core is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-zfcpdump-core is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump-devel is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-zfcpdump-devel is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump-modules is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-zfcpdump-modules is signed with Red Hat redhatrelease2 key
  • kernel-zfcpdump-modules-extra is earlier than 0:4.18.0-240.22.1.el8_3
  • AND kernel-zfcpdump-modules-extra is signed with Red Hat redhatrelease2 key
  • perf is earlier than 0:4.18.0-240.22.1.el8_3
  • AND perf is signed with Red Hat redhatrelease2 key
  • python3-perf is earlier than 0:4.18.0-240.22.1.el8_3
  • AND python3-perf is signed with Red Hat redhatrelease2 key
  • BACK