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Red Hat: CVE-2021-3715: Moderate: kernel security and bug fix update (Multiple Advisories)

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Red Hat: CVE-2021-3715: Moderate: kernel security and bug fix update (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
09/07/2021
Created
09/08/2021
Added
09/08/2021
Modified
09/09/2021

Description

A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt
  • redhat-upgrade-kpatch-patch-3_10_0-1160
  • redhat-upgrade-kpatch-patch-3_10_0-1160-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_11_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_11_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_15_2
  • redhat-upgrade-kpatch-patch-3_10_0-1160_15_2-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_21_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_21_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_24_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_24_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_25_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_25_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_2_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_2_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_2_2
  • redhat-upgrade-kpatch-patch-3_10_0-1160_2_2-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_31_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_31_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_36_2
  • redhat-upgrade-kpatch-patch-3_10_0-1160_36_2-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_41_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_41_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_6_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_6_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_27_1
  • redhat-upgrade-kpatch-patch-4_18_0-147_27_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_27_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-147_32_1
  • redhat-upgrade-kpatch-patch-4_18_0-147_32_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_32_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-147_34_1
  • redhat-upgrade-kpatch-patch-4_18_0-147_34_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_34_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-147_38_1
  • redhat-upgrade-kpatch-patch-4_18_0-147_38_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_38_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-147_43_1
  • redhat-upgrade-kpatch-patch-4_18_0-147_43_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_43_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-147_44_1
  • redhat-upgrade-kpatch-patch-4_18_0-147_44_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_44_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-147_48_1
  • redhat-upgrade-kpatch-patch-4_18_0-147_48_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_48_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-147_51_1
  • redhat-upgrade-kpatch-patch-4_18_0-147_51_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_51_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-147_51_2
  • redhat-upgrade-kpatch-patch-4_18_0-147_51_2-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_51_2-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-147_52_1
  • redhat-upgrade-kpatch-patch-4_18_0-147_52_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-147_52_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_19_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_19_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_19_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_28_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_28_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_28_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_29_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_29_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_29_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_37_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_37_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_37_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_40_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_40_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_40_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_41_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_41_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_41_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_46_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_46_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_46_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_47_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_47_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_47_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_51_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_51_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_51_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_56_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_56_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_56_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_60_2
  • redhat-upgrade-kpatch-patch-4_18_0-193_60_2-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_60_2-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_64_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_64_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_64_1-debugsource

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