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FreeBSD: VID-683C714D-2D91-11E9-BF3E-A4BADB2F4699 (CVE-2019-5595): FreeBSD -- System call kernel data register leak

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FreeBSD: VID-683C714D-2D91-11E9-BF3E-A4BADB2F4699 (CVE-2019-5595): FreeBSD -- System call kernel data register leak

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
02/05/2019
Created
03/19/2019
Added
02/11/2019
Modified
05/07/2019

Description

In FreeBSD before 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), and 12.0-RELEASE-p3, kernel callee-save registers are not properly sanitized before return from system calls, potentially allowing some kernel data used in the system call to be exposed.

Solution(s)

  • freebsd-upgrade-base-11_2-release-p9
  • freebsd-upgrade-base-12_0-release-p3

References

  • CVE-2019-5595

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