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libnbd: Crash or misbehaviour when NBD server returns an unexpected block size

🗓️ 30 Apr 2024 09:55:09Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

A flaw in the network block device library may crash if the server returns a block size larger than 2^63 due to improper handling of the size retrieval.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64libnbd1.18.1-3.el9libnbd-1.18.1-3.el9.aarch64.rpm
Red Hat Enterprise Linux9i686libnbd1.18.1-3.el9libnbd-1.18.1-3.el9.i686.rpm
Red Hat Enterprise Linux9ppc64lelibnbd1.18.1-3.el9libnbd-1.18.1-3.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibnbd1.18.1-3.el9libnbd-1.18.1-3.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64libnbd1.18.1-3.el9libnbd-1.18.1-3.el9.x86_64.rpm
Red Hat Enterprise Linux9noarchlibnbd-bash-completion1.18.1-3.el9libnbd-bash-completion-1.18.1-3.el9.noarch.rpm
Red Hat Enterprise Linux9aarch64libnbd-debuginfo1.18.1-3.el9libnbd-debuginfo-1.18.1-3.el9.aarch64.rpm
Red Hat Enterprise Linux9i686libnbd-debuginfo1.18.1-3.el9libnbd-debuginfo-1.18.1-3.el9.i686.rpm
Red Hat Enterprise Linux9ppc64lelibnbd-debuginfo1.18.1-3.el9libnbd-debuginfo-1.18.1-3.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xlibnbd-debuginfo1.18.1-3.el9libnbd-debuginfo-1.18.1-3.el9.s390x.rpm
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28 Jun 2026 12:43Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3 - 6.5
EPSS0.00746
6