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Oracle Linux: CVE-2021-23134: ELSA-2021-9406: Unbreakable Enterprise kernel-container security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2021-23134: ELSA-2021-9406: Unbreakable Enterprise kernel-container security update (IMPORTANT) (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
05/04/2021
Created
08/12/2021
Added
08/10/2021
Modified
12/05/2024

Description

Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability. A flaw was found in the Linux kernel. A use-after-free was found in the implementation of nfc sockets leading to a kernel privilege escalation from the context of an unprivileged user. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Solution(s)

  • oracle-linux-upgrade-kernel-uek

References

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