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Oracle Linux: CVE-2023-4622: ELSA-2024-0461: kernel security update (IMPORTANT) (Multiple Advisories)

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Oracle Linux: CVE-2023-4622: ELSA-2024-0461: kernel security update (IMPORTANT) (Multiple Advisories)

Severity
6
CVSS
(AV:L/AC:L/Au:S/C:P/I:P/A:C)
Published
09/06/2023
Created
01/16/2024
Added
01/12/2024
Modified
08/06/2024

Description

A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation. The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free. We recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c.

Solution(s)

  • oracle-linux-upgrade-kernel

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