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SUSE: CVE-2023-1872: SUSE Linux Security Advisory

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SUSE: CVE-2023-1872: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/12/2023
Created
05/10/2023
Added
05/10/2023
Modified
05/10/2023

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)

  • suse-upgrade-dtb-al
  • suse-upgrade-dtb-zte
  • suse-upgrade-kernel-64kb
  • suse-upgrade-kernel-64kb-devel
  • suse-upgrade-kernel-default
  • suse-upgrade-kernel-default-base
  • suse-upgrade-kernel-default-devel
  • suse-upgrade-kernel-devel
  • suse-upgrade-kernel-docs
  • suse-upgrade-kernel-macros
  • suse-upgrade-kernel-obs-build
  • suse-upgrade-kernel-preempt
  • suse-upgrade-kernel-preempt-devel
  • suse-upgrade-kernel-source
  • suse-upgrade-kernel-syms
  • suse-upgrade-kernel-zfcpdump
  • suse-upgrade-reiserfs-kmp-default

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