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kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL

🗓️ 01 Feb 2022 14:18:49Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Local attacker can leak data on the XFS filesystem by increasing file size with unaligned sizes.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.1ppc64lebpftool0:4.18.0-147.59.1.el8_1bpftool-0:4.18.0-147.59.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64bpftool0:4.18.0-147.59.1.el8_1bpftool-0:4.18.0-147.59.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1ppc64lebpftool-debuginfo0:4.18.0-147.59.1.el8_1bpftool-debuginfo-0:4.18.0-147.59.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64bpftool-debuginfo0:4.18.0-147.59.1.el8_1bpftool-debuginfo-0:4.18.0-147.59.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1ppc64lekernel0:4.18.0-147.59.1.el8_1kernel-0:4.18.0-147.59.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64kernel0:4.18.0-147.59.1.el8_1kernel-0:4.18.0-147.59.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1anykernel-abi-whitelists0:4.18.0-147.59.1.el8_1.noarchkernel-abi-whitelists-0:4.18.0-147.59.1.el8_1.noarch.noarch.rpm
Red Hat Enterprise Linux8.1ppc64lekernel-core0:4.18.0-147.59.1.el8_1kernel-core-0:4.18.0-147.59.1.el8_1.ppc64le.rpm
Red Hat Enterprise Linux8.1x86_64kernel-core0:4.18.0-147.59.1.el8_1kernel-core-0:4.18.0-147.59.1.el8_1.x86_64.rpm
Red Hat Enterprise Linux8.1ppc64lekernel-debug0:4.18.0-147.59.1.el8_1kernel-debug-0:4.18.0-147.59.1.el8_1.ppc64le.rpm
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28 Jun 2026 12:18Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.15.5
EPSS0.00286
6