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CentOS Linux: CVE-2021-3715: Moderate: kernel security, bug fix, and enhancement update (Multiple Advisories)

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CentOS Linux: CVE-2021-3715: Moderate: kernel security, bug fix, and enhancement update (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
09/07/2021
Created
09/08/2021
Added
09/08/2021
Modified
05/25/2023

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)

  • centos-upgrade-kernel
  • centos-upgrade-kernel-rt
  • centos-upgrade-kpatch-patch-3_10_0-1160
  • centos-upgrade-kpatch-patch-3_10_0-1160-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_11_1
  • centos-upgrade-kpatch-patch-3_10_0-1160_11_1-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_15_2
  • centos-upgrade-kpatch-patch-3_10_0-1160_15_2-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_21_1
  • centos-upgrade-kpatch-patch-3_10_0-1160_21_1-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_24_1
  • centos-upgrade-kpatch-patch-3_10_0-1160_24_1-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_25_1
  • centos-upgrade-kpatch-patch-3_10_0-1160_25_1-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_2_1
  • centos-upgrade-kpatch-patch-3_10_0-1160_2_1-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_2_2
  • centos-upgrade-kpatch-patch-3_10_0-1160_2_2-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_31_1
  • centos-upgrade-kpatch-patch-3_10_0-1160_31_1-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_36_2
  • centos-upgrade-kpatch-patch-3_10_0-1160_36_2-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_41_1
  • centos-upgrade-kpatch-patch-3_10_0-1160_41_1-debuginfo
  • centos-upgrade-kpatch-patch-3_10_0-1160_6_1
  • centos-upgrade-kpatch-patch-3_10_0-1160_6_1-debuginfo

References

  • CVE-2021-3715

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