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Red Hat: CVE-2023-1195: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (Multiple Advisories)

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Red Hat: CVE-2023-1195: use-after-free caused by invalid pointer hostname in fs/cifs/connect.c (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
05/09/2023
Created
05/15/2023
Added
05/15/2023
Modified
01/28/2025

Description

A use-after-free flaw was found in reconn_set_ipaddr_from_hostname in fs/cifs/connect.c in the Linux kernel. The issue occurs when it forgets to set the free pointer server->hostname to NULL, leading to an invalid pointer request.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2023-1195
  • RHSA-2023:2148
  • RHSA-2023:2458
  • RHSA-2023:2736
  • RHSA-2023:2951
  • RHSA-2024:0412
  • RHSA-2024:0431
  • RHSA-2024:0432
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