Rapid7 Vulnerability & Exploit Database

Red Hat: CVE-2021-4155: CVE-2021-4155 kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (Multiple Advisories)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Red Hat: CVE-2021-4155: CVE-2021-4155 kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/19/2022
Created
01/21/2022
Added
01/20/2022
Modified
12/15/2023

Description

A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.

Solution(s)

  • redhat-upgrade-bpftool
  • redhat-upgrade-bpftool-debuginfo
  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-abi-stablelists
  • redhat-upgrade-kernel-abi-whitelists
  • redhat-upgrade-kernel-core
  • redhat-upgrade-kernel-cross-headers
  • redhat-upgrade-kernel-debug
  • redhat-upgrade-kernel-debug-core
  • redhat-upgrade-kernel-debug-debuginfo
  • redhat-upgrade-kernel-debug-devel
  • redhat-upgrade-kernel-debug-modules
  • redhat-upgrade-kernel-debug-modules-extra
  • redhat-upgrade-kernel-debuginfo
  • redhat-upgrade-kernel-debuginfo-common-s390x
  • redhat-upgrade-kernel-debuginfo-common-x86_64
  • redhat-upgrade-kernel-devel
  • redhat-upgrade-kernel-doc
  • redhat-upgrade-kernel-headers
  • redhat-upgrade-kernel-kdump
  • redhat-upgrade-kernel-kdump-debuginfo
  • redhat-upgrade-kernel-kdump-devel
  • redhat-upgrade-kernel-modules
  • redhat-upgrade-kernel-modules-extra
  • redhat-upgrade-kernel-rt
  • redhat-upgrade-kernel-rt-core
  • redhat-upgrade-kernel-rt-debug
  • redhat-upgrade-kernel-rt-debug-core
  • redhat-upgrade-kernel-rt-debug-debuginfo
  • redhat-upgrade-kernel-rt-debug-devel
  • redhat-upgrade-kernel-rt-debug-kvm
  • redhat-upgrade-kernel-rt-debug-kvm-debuginfo
  • redhat-upgrade-kernel-rt-debug-modules
  • redhat-upgrade-kernel-rt-debug-modules-extra
  • redhat-upgrade-kernel-rt-debuginfo
  • redhat-upgrade-kernel-rt-debuginfo-common-x86_64
  • redhat-upgrade-kernel-rt-devel
  • redhat-upgrade-kernel-rt-doc
  • redhat-upgrade-kernel-rt-kvm
  • redhat-upgrade-kernel-rt-kvm-debuginfo
  • redhat-upgrade-kernel-rt-modules
  • redhat-upgrade-kernel-rt-modules-extra
  • redhat-upgrade-kernel-rt-trace
  • redhat-upgrade-kernel-rt-trace-debuginfo
  • redhat-upgrade-kernel-rt-trace-devel
  • redhat-upgrade-kernel-rt-trace-kvm
  • redhat-upgrade-kernel-rt-trace-kvm-debuginfo
  • redhat-upgrade-kernel-tools
  • redhat-upgrade-kernel-tools-debuginfo
  • redhat-upgrade-kernel-tools-libs
  • redhat-upgrade-kernel-tools-libs-devel
  • redhat-upgrade-kernel-zfcpdump
  • redhat-upgrade-kernel-zfcpdump-core
  • redhat-upgrade-kernel-zfcpdump-debuginfo
  • redhat-upgrade-kernel-zfcpdump-devel
  • redhat-upgrade-kernel-zfcpdump-modules
  • redhat-upgrade-kernel-zfcpdump-modules-extra
  • redhat-upgrade-kpatch-patch-3_10_0-1160_21_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_21_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_24_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_24_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_25_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_25_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_31_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_31_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_36_2
  • redhat-upgrade-kpatch-patch-3_10_0-1160_36_2-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_41_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_41_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_42_2
  • redhat-upgrade-kpatch-patch-3_10_0-1160_42_2-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_45_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_45_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_49_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_49_1-debuginfo
  • redhat-upgrade-kpatch-patch-3_10_0-1160_53_1
  • redhat-upgrade-kpatch-patch-3_10_0-1160_53_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_46_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_46_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_46_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_47_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_47_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_47_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_51_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_51_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_51_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_56_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_56_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_56_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_60_2
  • redhat-upgrade-kpatch-patch-4_18_0-193_60_2-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_60_2-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_64_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_64_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_64_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_65_2
  • redhat-upgrade-kpatch-patch-4_18_0-193_65_2-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_65_2-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_68_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_68_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_68_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_70_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_70_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_70_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-193_71_1
  • redhat-upgrade-kpatch-patch-4_18_0-193_71_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-193_71_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305
  • redhat-upgrade-kpatch-patch-4_18_0-305-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305_10_2
  • redhat-upgrade-kpatch-patch-4_18_0-305_10_2-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305_10_2-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305_12_1
  • redhat-upgrade-kpatch-patch-4_18_0-305_12_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305_12_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305_17_1
  • redhat-upgrade-kpatch-patch-4_18_0-305_17_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305_17_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305_19_1
  • redhat-upgrade-kpatch-patch-4_18_0-305_19_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305_19_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305_25_1
  • redhat-upgrade-kpatch-patch-4_18_0-305_25_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305_25_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305_28_1
  • redhat-upgrade-kpatch-patch-4_18_0-305_28_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305_28_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305_30_1
  • redhat-upgrade-kpatch-patch-4_18_0-305_30_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305_30_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305_3_1
  • redhat-upgrade-kpatch-patch-4_18_0-305_3_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305_3_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-305_7_1
  • redhat-upgrade-kpatch-patch-4_18_0-305_7_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-305_7_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-348
  • redhat-upgrade-kpatch-patch-4_18_0-348-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-348-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-348_2_1
  • redhat-upgrade-kpatch-patch-4_18_0-348_2_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-348_2_1-debugsource
  • redhat-upgrade-kpatch-patch-4_18_0-348_7_1
  • redhat-upgrade-kpatch-patch-4_18_0-348_7_1-debuginfo
  • redhat-upgrade-kpatch-patch-4_18_0-348_7_1-debugsource
  • redhat-upgrade-perf
  • redhat-upgrade-perf-debuginfo
  • redhat-upgrade-python-perf
  • redhat-upgrade-python-perf-debuginfo
  • redhat-upgrade-python3-perf
  • redhat-upgrade-python3-perf-debuginfo

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;