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Ubuntu: (Multiple Advisories) (CVE-2016-9754): Linux kernel (Trusty HWE) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2016-9754): Linux kernel (Trusty HWE) vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
01/05/2017
Created
07/25/2018
Added
09/19/2017
Modified
08/25/2021

Description

The ring_buffer_resize function in kernel/trace/ring_buffer.c in the profiling subsystem in the Linux kernel before 4.6.1 mishandles certain integer calculations, which allows local users to gain privileges by writing to the /sys/kernel/debug/tracing/buffer_size_kb file.

Solution(s)

  • ubuntu-upgrade-linux-image-3-13-0-132-generic
  • ubuntu-upgrade-linux-image-3-13-0-132-generic-lpae
  • ubuntu-upgrade-linux-image-3-13-0-132-lowlatency
  • ubuntu-upgrade-linux-image-3-13-0-132-powerpc-e500
  • ubuntu-upgrade-linux-image-3-13-0-132-powerpc-e500mc
  • ubuntu-upgrade-linux-image-3-13-0-132-powerpc-smp
  • ubuntu-upgrade-linux-image-3-13-0-132-powerpc64-emb
  • ubuntu-upgrade-linux-image-3-13-0-132-powerpc64-smp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-lts-trusty
  • ubuntu-upgrade-linux-image-generic-lts-trusty
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-powerpc-e500
  • ubuntu-upgrade-linux-image-powerpc-e500mc
  • ubuntu-upgrade-linux-image-powerpc-smp
  • ubuntu-upgrade-linux-image-powerpc64-emb
  • ubuntu-upgrade-linux-image-powerpc64-smp

References

  • USN-3146-1
  • USN-3146-2
  • USN-3147-1
  • USN-3161-3
  • USN-3161-4
  • USN-3162-2
  • USN-3208-1
  • USN-3208-2
  • USN-3265-1
  • USN-3265-2
  • USN-3291-1
  • USN-3291-2
  • USN-3291-3
  • USN-3293-1
  • USN-3312-1
  • USN-3312-2
  • USN-3314-1
  • USN-3361-1
  • USN-3405-1
  • USN-3405-2
  • USN-3419-1
  • USN-3419-2
  • USN-3420-1
  • USN-3420-2
  • USN-3422-1
  • USN-3422-2
  • USN-3423-1
  • 95278
  • CVE-2016-9754
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