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Debian: CVE-2023-1872: linux, linux-5.10 -- security update

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Debian: CVE-2023-1872: linux, linux-5.10 -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/12/2023
Created
05/05/2023
Added
05/01/2023
Modified
05/01/2023

Description

A use-after-free vulnerability in the Linux Kernel io_uring system can be exploited to achieve local privilege escalation. The io_file_get_fixed function lacks the presence of ctx->uring_lock which can lead to a Use-After-Free vulnerability due a race condition with fixed files getting unregistered. We recommend upgrading past commit da24142b1ef9fd5d36b76e36bab328a5b27523e8.

Solution(s)

  • debian-upgrade-linux
  • debian-upgrade-linux-5-10

References

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