Vulnerability · Published Sep 7, 2021 · Assigned by mitre

CVE-2021-35266

High 7.8

In plain English

A high-severity security flaw in the SLOF package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.5%top 57.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In NTFS-3G versions < 2021.8.22, when a specially crafted NTFS inode pathname is supplied in an NTFS image a heap buffer overflow can occur resulting in memory disclosure, denial of service and even code execution.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8SLOF20210217-1.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8hivex1.3.18-23.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8hivex-devel1.3.18-23.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libguestfs1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-appliance1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-bash-completion1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-devel1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-gfs21:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-gobject1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-gobject-devel1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-inspect-icons1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-java1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-java-devel1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-javadoc1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-man-pages-ja1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-man-pages-uk1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-rescue1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-rsync1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-tools1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-tools-c1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libguestfs-winsupport8.6-1.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libguestfs-xfs1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8libiscsi1.18.0-8.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libiscsi-devel1.18.0-8.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libiscsi-utils1.18.0-8.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libnbd1.6.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libnbd-bash-completion1.6.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libnbd-devel1.6.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libtpms0.9.1-0.20211126git1ff6fe1f43.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libtpms-devel0.9.1-0.20211126git1ff6fe1f43.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-client8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-config-network8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-config-nwfilter8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-interface8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-network8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-nodedev8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-nwfilter8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-qemu8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-secret8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage-core8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage-disk8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage-gluster8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage-iscsi8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage-iscsi-direct8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage-logical8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage-mpath8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage-rbd8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-driver-storage-scsi8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-daemon-kvm8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-dbus1.3.0-2.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-devel8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-docs8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-libs8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-lock-sanlock8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-nss8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8libvirt-wireshark8.0.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8lua-guestfs1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8nbdfuse1.6.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-bash-completion1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-basic-filters1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-basic-plugins1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-curl-plugin1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-devel1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-example-plugins1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-gzip-filter1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-gzip-plugin1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-linuxdisk-plugin1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-nbd-plugin1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-python-plugin1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-server1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-ssh-plugin1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-tar-filter1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-tar-plugin1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-tmpdisk-plugin1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-vddk-plugin1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8nbdkit-xz-filter1.24.0-4.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8netcf0.2.8-12.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8netcf-devel0.2.8-12.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8netcf-libs0.2.8-12.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8ocaml-hivex1.3.18-23.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8ocaml-hivex-devel1.3.18-23.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8ocaml-libguestfs1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8ocaml-libguestfs-devel1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8ocaml-libnbd1.6.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8ocaml-libnbd-devel1.6.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8perl-Sys-Guestfs1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8perl-Sys-Virt8.0.0-1.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8perl-hivex1.3.18-23.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8python3-hivex1.3.18-23.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8python3-libguestfs1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8python3-libnbd1.6.0-5.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8python3-libvirt8.0.0-1.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-guest-agent15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-img15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-block-curl15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-block-gluster15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-block-iscsi15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-block-rbd15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-block-ssh15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-common15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-core15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-docs15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-hw-usbredir15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-tests15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-ui-opengl15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8qemu-kvm-ui-spice15:6.2.0-11.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8ruby-hivex1.3.18-23.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8ruby-libguestfs1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8seabios1.15.0-2.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8seabios-bin1.15.0-2.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8seavgabios-bin1.15.0-2.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8sgabios1:0.20170427git-3.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8sgabios-bin1:0.20170427git-3.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8supermin5.2.1-1.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8supermin-devel5.2.1-1.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8swtpm0.7.0-1.20211109gitb79fd91.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8swtpm-devel0.7.0-1.20211109gitb79fd91.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8swtpm-libs0.7.0-1.20211109gitb79fd91.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8swtpm-tools0.7.0-1.20211109gitb79fd91.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8swtpm-tools-pkcs110.7.0-1.20211109gitb79fd91.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8virt-dib1:1.44.0-5.module_el8.6.0+2880+7d9e3703.almaALSA-2022:1759
AlmaLinux:8virt-v2v1:1.42.0-18.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8virt-v2v-bash-completion1:1.42.0-18.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8virt-v2v-man-pages-ja1:1.42.0-18.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
AlmaLinux:8virt-v2v-man-pages-uk1:1.42.0-18.module_el8.6.0+2880+7d9e3703ALSA-2022:1759
Debian:12ntfs-3g1:2021.8.22-2DEBIAN-CVE-2021-35266
Debian:13ntfs-3g1:2021.8.22-2DEBIAN-CVE-2021-35266
Debian:14ntfs-3g1:2021.8.22-2DEBIAN-CVE-2021-35266
Rocky Linux:8hivex0:1.3.18-23.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8hivex0:1.3.18-23.module+el8.7.0+1084+97b81f61RLSA-2022:1759
Rocky Linux:8libguestfs1:1.44.0-5.module+el8.6.0+1052+ff61d164.rockyRLSA-2022:1759
Rocky Linux:8libguestfs-winsupport0:8.6-1.module+el8.7.0+1084+97b81f61RLSA-2022:1759
Rocky Linux:8libguestfs-winsupport0:8.6-1.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8libiscsi0:1.18.0-8.module+el8.7.0+1084+97b81f61RLSA-2022:1759
Rocky Linux:8libiscsi0:1.18.0-8.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8libiscsi0:1.18.0-8.module+el8.4.0+534+4680a14eRLSA-2022:1759
Rocky Linux:8libnbd0:1.6.0-5.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8libnbd0:1.6.0-5.module+el8.7.0+1084+97b81f61RLSA-2022:1759
Rocky Linux:8libtpms0:0.9.1-0.20211126git1ff6fe1f43.module+el8.6.0+1052+ff61d164RLSA-2022:1759
Rocky Linux:8libvirt0:8.0.0-5.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8libvirt-dbus0:1.3.0-2.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8libvirt-dbus0:1.3.0-2.module+el8.7.0+1084+97b81f61RLSA-2022:1759
Rocky Linux:8libvirt-dbus0:1.3.0-2.module+el8.4.0+534+4680a14eRLSA-2022:1759
Rocky Linux:8libvirt-python0:8.0.0-1.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8nbdkit0:1.24.0-4.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8netcf0:0.2.8-12.module+el8.4.0+534+4680a14eRLSA-2022:1759
Rocky Linux:8netcf0:0.2.8-12.module+el8.7.0+1084+97b81f61RLSA-2022:1759
Rocky Linux:8netcf0:0.2.8-12.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8perl-Sys-Virt0:8.0.0-1.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8perl-Sys-Virt0:8.0.0-1.module+el8.7.0+1084+97b81f61RLSA-2022:1759
Rocky Linux:8qemu-kvm5:6.2.0-11.module+el8.6.0+1000+18e3b59f.5RLSA-2022:1759
Rocky Linux:8seabios0:1.15.0-2.module+el8.6.0+1052+ff61d164RLSA-2022:1759
Rocky Linux:8sgabios1:0.20170427git-3.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8sgabios1:0.20170427git-3.module+el8.7.0+1084+97b81f61RLSA-2022:1759
Rocky Linux:8sgabios1:0.20170427git-3.module+el8.4.0+534+4680a14eRLSA-2022:1759
Rocky Linux:8supermin0:5.2.1-1.module+el8.6.0+1052+ff61d164RLSA-2022:1759
Rocky Linux:8swtpm0:0.7.0-1.20211109gitb79fd91.module+el8.6.0+847+b490afddRLSA-2022:1759
Rocky Linux:8virt-v2v1:1.42.0-18.module+el8.6.0+847+b490afddRLSA-2022:1759
Ubuntu:22.04:LTSntfs-3g1:2017.3.23AR.3-3ubuntu5UBUNTU-CVE-2021-35266

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References