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Debian: CVE-2019-11599: linux -- security update

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Debian: CVE-2019-11599: linux -- security update

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
04/29/2019
Created
05/30/2019
Added
05/29/2019
Modified
07/07/2020

Description

The coredump implementation in the Linux kernel before 5.0.10 does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs, which allows local users to obtain sensitive information, cause a denial of service, or possibly have unspecified other impact by triggering a race condition with mmget_not_zero or get_task_mm calls. This is related to fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, and drivers/infiniband/core/uverbs_main.c.

Solution(s)

  • debian-upgrade-linux

References

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