vulnerability

Ubuntu: (Multiple Advisories) (CVE-2018-1092): Linux kernel vulnerabilities

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Severity
7
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:C)
Published
Apr 1, 2018
Added
Jun 13, 2018
Modified
Jan 23, 2025

Description

The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.

Solution(s)

ubuntu-upgrade-linux-image-3-13-0-157-genericubuntu-upgrade-linux-image-3-13-0-157-generic-lpaeubuntu-upgrade-linux-image-3-13-0-157-lowlatencyubuntu-upgrade-linux-image-3-13-0-157-powerpc-e500ubuntu-upgrade-linux-image-3-13-0-157-powerpc-e500mcubuntu-upgrade-linux-image-3-13-0-157-powerpc-smpubuntu-upgrade-linux-image-3-13-0-157-powerpc64-embubuntu-upgrade-linux-image-3-13-0-157-powerpc64-smpubuntu-upgrade-linux-image-4-13-0-1019-gcpubuntu-upgrade-linux-image-4-13-0-1022-raspi2ubuntu-upgrade-linux-image-4-13-0-1030-oemubuntu-upgrade-linux-image-4-13-0-45-genericubuntu-upgrade-linux-image-4-13-0-45-generic-lpaeubuntu-upgrade-linux-image-4-13-0-45-lowlatencyubuntu-upgrade-linux-image-4-15-0-1009-gcpubuntu-upgrade-linux-image-4-15-0-1010-awsubuntu-upgrade-linux-image-4-15-0-1011-kvmubuntu-upgrade-linux-image-4-15-0-1012-raspi2ubuntu-upgrade-linux-image-4-15-0-1013-azureubuntu-upgrade-linux-image-4-15-0-23-genericubuntu-upgrade-linux-image-4-15-0-23-generic-lpaeubuntu-upgrade-linux-image-4-15-0-23-lowlatencyubuntu-upgrade-linux-image-4-15-0-23-snapdragonubuntu-upgrade-linux-image-4-4-0-1023-awsubuntu-upgrade-linux-image-4-4-0-1027-kvmubuntu-upgrade-linux-image-4-4-0-1061-awsubuntu-upgrade-linux-image-4-4-0-1091-raspi2ubuntu-upgrade-linux-image-4-4-0-1094-snapdragonubuntu-upgrade-linux-image-4-4-0-128-genericubuntu-upgrade-linux-image-4-4-0-128-generic-lpaeubuntu-upgrade-linux-image-4-4-0-128-lowlatencyubuntu-upgrade-linux-image-4-4-0-128-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-128-powerpc-smpubuntu-upgrade-linux-image-4-4-0-128-powerpc64-embubuntu-upgrade-linux-image-4-4-0-128-powerpc64-smpubuntu-upgrade-linux-image-awsubuntu-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-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-powerpc-e500ubuntu-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-snapdragon

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