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Ubuntu: (Multiple Advisories) (CVE-2017-18249): Linux kernel (Xenial HWE) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2017-18249): Linux kernel (Xenial HWE) vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
03/26/2018
Created
04/22/2019
Added
04/09/2019
Modified
01/20/2021

Description

The add_free_nid function in fs/f2fs/node.c in the Linux kernel before 4.12 does not properly track an allocated nid, which allows local users to cause a denial of service (race condition) or possibly have unspecified other impact via concurrent threads.

Solution(s)

  • ubuntu-upgrade-linux-image-4-4-0-1040-aws
  • ubuntu-upgrade-linux-image-4-4-0-1043-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1079-aws
  • ubuntu-upgrade-linux-image-4-4-0-1106-raspi2
  • ubuntu-upgrade-linux-image-4-4-0-1110-snapdragon
  • ubuntu-upgrade-linux-image-4-4-0-144-generic
  • ubuntu-upgrade-linux-image-4-4-0-144-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-144-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-144-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-144-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-144-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-144-powerpc64-smp
  • ubuntu-upgrade-linux-image-4-4-0-145-generic
  • ubuntu-upgrade-linux-image-4-4-0-145-generic-lpae
  • ubuntu-upgrade-linux-image-4-4-0-145-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-145-powerpc-e500mc
  • ubuntu-upgrade-linux-image-4-4-0-145-powerpc-smp
  • ubuntu-upgrade-linux-image-4-4-0-145-powerpc64-emb
  • ubuntu-upgrade-linux-image-4-4-0-145-powerpc64-smp
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-lts-xenial
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc-e500mc
  • ubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc-smp
  • ubuntu-upgrade-linux-image-powerpc-smp-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc64-emb
  • ubuntu-upgrade-linux-image-powerpc64-emb-lts-xenial
  • ubuntu-upgrade-linux-image-powerpc64-smp
  • ubuntu-upgrade-linux-image-powerpc64-smp-lts-xenial
  • ubuntu-upgrade-linux-image-raspi2
  • ubuntu-upgrade-linux-image-snapdragon
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-lts-xenial

References

  • USN-3930-1
  • USN-3930-2
  • USN-3931-1
  • USN-3931-2
  • USN-3932-1
  • USN-3932-2
  • USN-3933-1
  • USN-3933-2
  • USN-3980-1
  • USN-3980-2
  • USN-3981-1
  • USN-3981-2
  • USN-4094-1
  • USN-4115-1
  • USN-4118-1
  • 1041432
  • CVE-2017-18249
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