Skip to content
OpenAdvisories
High ALSA-2021:1578 26 CVEs

Important: kernel security, bug fix, and enhancement update

Published May 18, 2021 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: Integer overflow in Intel(R) Graphics Drivers (CVE-2020-12362)

* kernel: memory leak in sof_set_get_large_ctrl_data() function in sound/soc/sof/ipc.c (CVE-2019-18811)

* kernel: use-after-free caused by a malicious USB device in the drivers/usb/misc/adutux.c driver (CVE-2019-19523)

* kernel: use-after-free bug caused by a malicious USB device in the drivers/usb/misc/iowarrior.c driver (CVE-2019-19528)

* kernel: possible out of bounds write in kbd_keycode of keyboard.c (CVE-2020-0431)

* kernel: DoS by corrupting mountpoint reference counter (CVE-2020-12114)

* kernel: use-after-free in usb_sg_cancel function in drivers/usb/core/message.c (CVE-2020-12464)

* kernel: buffer uses out of index in ext3/4 filesystem (CVE-2020-14314)

* kernel: Use After Free vulnerability in cgroup BPF component (CVE-2020-14356)

* kernel: NULL pointer dereference in serial8250_isa_init_ports function in drivers/tty/serial/8250/8250_core.c (CVE-2020-15437)

* kernel: umask not applied on filesystem without ACL support (CVE-2020-24394)

* kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)

* kernel: incomplete permission checking for access to rbd devices (CVE-2020-25284)

* kernel: race condition between hugetlb sysctl handlers in mm/hugetlb.c (CVE-2020-25285)

* kernel: improper input validation in ppp_cp_parse_cr function leads to memory corruption and read overflow (CVE-2020-25643)

* kernel: perf_event_parse_addr_filter memory (CVE-2020-25704)

* kernel: use-after-free in kernel midi subsystem (CVE-2020-27786)

* kernel: child process is able to access parent mm through hfi dev file handle (CVE-2020-27835)

* kernel: slab-out-of-bounds read in fbcon (CVE-2020-28974)

* kernel: fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent (CVE-2020-35508)

* kernel: fuse: fuse_do_getattr() calls make_bad_inode() in inappropriate situations (CVE-2020-36322)

* kernel: use after free in tun_get_user of tun.c could lead to local escalation of privilege (CVE-2021-0342)

* kernel: NULL pointer dereferences in ov511_mode_init_regs and ov518_mode_init_regs in drivers/media/usb/gspca/ov519.c (CVE-2020-11608)

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.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
AlmaLinux · 8 kernel-tools-libs-devel 4.18.0-305.el8

Vulnerabilities 26

References

  • report
    https://vulners.com/cve/CVE-2019-18811
  • report
    https://vulners.com/cve/CVE-2019-19523
  • report
    https://vulners.com/cve/CVE-2019-19528
  • report
    https://vulners.com/cve/CVE-2020-0431
  • report
    https://vulners.com/cve/CVE-2020-11608
  • report
    https://vulners.com/cve/CVE-2020-12114
  • report
    https://vulners.com/cve/CVE-2020-12362
  • report
    https://vulners.com/cve/CVE-2020-12363
  • report
    https://vulners.com/cve/CVE-2020-12364
  • report
    https://vulners.com/cve/CVE-2020-12464
  • report
    https://vulners.com/cve/CVE-2020-14314
  • report
    https://vulners.com/cve/CVE-2020-14356
  • report
    https://vulners.com/cve/CVE-2020-15437
  • report
    https://vulners.com/cve/CVE-2020-24394
  • report
    https://vulners.com/cve/CVE-2020-25212
  • report
    https://vulners.com/cve/CVE-2020-25284
  • report
    https://vulners.com/cve/CVE-2020-25285
  • report
    https://vulners.com/cve/CVE-2020-25643
  • report
    https://vulners.com/cve/CVE-2020-25704
  • report
    https://vulners.com/cve/CVE-2020-27786
  • report
    https://vulners.com/cve/CVE-2020-27835
  • report
    https://vulners.com/cve/CVE-2020-28974
  • report
    https://vulners.com/cve/CVE-2020-35508
  • report
    https://vulners.com/cve/CVE-2020-36322
  • report
    https://vulners.com/cve/CVE-2021-0342
  • report
    https://vulners.com/cve/CVE-2021-0605