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USN-2590-1: Linux kernel vulnerabilities

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USN-2590-1: Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
03/12/2015
Created
07/25/2018
Added
05/01/2015
Modified
07/09/2020

Description

Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.

Solution(s)

  • ubuntu-upgrade-linux-image-3-16-0-36-generic
  • ubuntu-upgrade-linux-image-3-16-0-36-generic-lpae
  • ubuntu-upgrade-linux-image-3-16-0-36-lowlatency
  • ubuntu-upgrade-linux-image-3-16-0-36-powerpc-e500mc
  • ubuntu-upgrade-linux-image-3-16-0-36-powerpc-smp
  • ubuntu-upgrade-linux-image-3-16-0-36-powerpc64-emb
  • ubuntu-upgrade-linux-image-3-16-0-36-powerpc64-smp

References

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