vulnerability

Ubuntu: (Multiple Advisories) (CVE-2018-14612): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
Jul 27, 2018
Added
Apr 9, 2019
Modified
Aug 18, 2025

Description

An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfs_root_node() when mounting a crafted btrfs image, because of a lack of chunk block group mapping validation in btrfs_read_block_groups in fs/btrfs/extent-tree.c, and a lack of empty-tree checks in check_leaf in fs/btrfs/tree-checker.c.

Solutions

ubuntu-upgrade-linux-image-4-15-0-1021-oracleubuntu-upgrade-linux-image-4-15-0-1040-gcpubuntu-upgrade-linux-image-4-15-0-1040-gkeubuntu-upgrade-linux-image-4-15-0-1042-kvmubuntu-upgrade-linux-image-4-15-0-1043-raspi2ubuntu-upgrade-linux-image-4-15-0-1047-awsubuntu-upgrade-linux-image-4-15-0-1050-oemubuntu-upgrade-linux-image-4-15-0-1055-azureubuntu-upgrade-linux-image-4-15-0-1060-snapdragonubuntu-upgrade-linux-image-4-15-0-58-genericubuntu-upgrade-linux-image-4-15-0-58-generic-lpaeubuntu-upgrade-linux-image-4-15-0-58-lowlatencyubuntu-upgrade-linux-image-4-4-0-1040-awsubuntu-upgrade-linux-image-4-4-0-1043-kvmubuntu-upgrade-linux-image-4-4-0-1079-awsubuntu-upgrade-linux-image-4-4-0-1106-raspi2ubuntu-upgrade-linux-image-4-4-0-1110-snapdragonubuntu-upgrade-linux-image-4-4-0-144-genericubuntu-upgrade-linux-image-4-4-0-144-generic-lpaeubuntu-upgrade-linux-image-4-4-0-144-lowlatencyubuntu-upgrade-linux-image-4-4-0-144-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-144-powerpc-smpubuntu-upgrade-linux-image-4-4-0-144-powerpc64-embubuntu-upgrade-linux-image-4-4-0-144-powerpc64-smpubuntu-upgrade-linux-image-4-4-0-145-genericubuntu-upgrade-linux-image-4-4-0-145-generic-lpaeubuntu-upgrade-linux-image-4-4-0-145-lowlatencyubuntu-upgrade-linux-image-4-4-0-145-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-145-powerpc-smpubuntu-upgrade-linux-image-4-4-0-145-powerpc64-embubuntu-upgrade-linux-image-4-4-0-145-powerpc64-smpubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-4-15ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenialubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc-smp-lts-xenialubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-emb-lts-xenialubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-powerpc64-smp-lts-xenialubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-lts-xenial

References

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