ALSA-2021:1093

Source
https://errata.almalinux.org/8/ALSA-2021-1093.html
Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:1093.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2021:1093
Related
Published
2021-04-06T13:33:17Z
Modified
2021-08-11T08:54:00Z
Summary
Important: kernel security, bug fix, and enhancement update
Details

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/vmwvsock/afvsock.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: coretmraborttask() reporting multiple aborts for the same secmd->tag (BZ#1918354)

  • [mlx5] VF interface stats are not reflected in "ip -s link show" / "ifconfig <vf>" commands (BZ#1921060)

  • Win10 guest automatic reboot after migration in Win10 and WSL2 on Intel hosts (BZ#1923281)

  • [AlmaLinux 8.3] Repeated messages - Unable to burst-read optrom segment (BZ#1924222)

  • Backport bug fix RDMA/umem: Prevent small pages from being returned by ibumemfindbestpgsz (BZ#1924691)

  • [Cisco 8.3] AlmaLinux/Cent 8.2 fNIC driver needs a patch fix that addresses crash (BZ#1925186)

  • AlmaLinux8.3 - The kernel misdetects zCX with z/VM (BZ#1925508)

  • Backport 22e4663e91 ("mm/slub: fix panic in slaballocnode()") (BZ#1925511)

  • SCTP "Address already in use" when no active endpoints from AlmaLinux 8.2 onwards (BZ#1927521)

  • lpfc: Fix initial FLOGI failure due to BBSCN not supported (BZ#1927921)

  • [mm] mm, oom: remove oomlock from oomreaper (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] AlmaLinux8.2 - 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{createinode,inodelookup} and deletework_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)

  • AlmaLinux8.4: Update the target driver (BZ#1918363)

  • [Mellanox 8.4 FEAT] mlx5: Hairpin Support in Switch Mode (BZ#1924689)

References

Affected packages

AlmaLinux:8 / kernel-abi-whitelists

Package

Name
kernel-abi-whitelists

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-240.22.1.el8_3

AlmaLinux:8 / kernel-tools-libs-devel

Package

Name
kernel-tools-libs-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-240.22.1.el8_3