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OpenAdvisories
Medium · 6.7 CVE-2021-33287 EUVD-2021-19998GHSA-85c3-6734-6rqp

In NTFS-3G versions < 2021.8.22, when specially crafted NTFS attributes are read in the function ntfs_attr_pread_i, a heap buffer overflow …

Published Sep 7, 2021 · Updated Jul 9, 2026 · Assigned by mitre

Description

In NTFS-3G versions < 2021.8.22, when specially crafted NTFS attributes are read in the function ntfs_attr_pread_i, a heap buffer overflow can occur and allow for writing to arbitrary memory or denial of service of the application.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 ntfs-3g 1:2021.8.22-2 —
Debian 13 ntfs-3g 1:2021.8.22-2 —
Debian 12 ntfs-3g 1:2021.8.22-2 —
Debian 11 ntfs-3g 1:2017.3.23AR.3-4+deb11u1 DSA-4971-1
Debian 10 ntfs-3g 1:2017.3.23AR.3-3+deb10u1 DSA-4971-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Debian 9 ntfs-3g 1:2016.2.22AR.1+dfsg-1+deb9u2 DLA-2819-1
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS ntfs-3g 1:2017.3.23AR.3-3ubuntu5 —
Ubuntu 20.04 LTS ntfs-3g 1:2017.3.23AR.3-3ubuntu1.1 —
Ubuntu 18.04 LTS ntfs-3g 1:2017.3.23-2ubuntu0.18.04.3 —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 16.04 LTS ntfs-3g 1:2015.3.14AR.1-1ubuntu0.3+esm1 —
Ubuntu Pro 14.04 LTS ntfs-3g 1:2013.1.13AR.1-2ubuntu2+esm1 —
ReleasePackageFixed inAdvisory
RHEL 8 SLOF 20191022-3.git899d9883.module+el8.2.0+5449+efc036dd RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 hivex +6 1.3.18-20.module+el8.2.0+5588+63a201c3 RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 libguestfs-appliance 1:1.44.0-5.module+el8.6.0+14480+c0a3aa0f RHSA-2022:1759
RHEL 8 libguestfs-winsupport 8.2-2.module+el8.2.1+12663+d52ebc0d RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 libiscsi +2 1.18.0-8.module+el8.2.0+4793+b09dd2fb RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 libnbd +5 1.2.2-1.module+el8.2.0+5644+32ac38d4 RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 libnbd-bash-completion 1.6.0-3.module+el8.4.0+9856+bbc47853 RHSA-2022:1759, RHSA-2021:3703
RHEL 8 libtpms +1 0.7.0-1.20191018gitdc116933b7.module+el8.2.0+4793+b09dd2fb RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 libvirt +28 6.0.0-25.6.module+el8.2.1+12457+868e9540 RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 libvirt-dbus 1.3.0-2.module+el8.2.0+4793+b09dd2fb RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 libvirt-python +1 6.0.0-1.module+el8.2.0+5453+31b2b136 RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 libvirt-wireshark 7.0.0-14.4.module+el8.4.0+12413+d23780e6 RHSA-2022:1759, RHSA-2021:3703
RHEL 8 nbdkit +13 1.16.2-4.module+el8.2.1+6710+effcb1df RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 nbdkit-nbd-plugin +4 1.24.0-1.module+el8.4.0+9341+96cf2672 RHSA-2022:1759, RHSA-2021:3703
RHEL 8 netcf +2 0.2.8-12.module+el8.2.0+4793+b09dd2fb RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 perl-Sys-Virt 6.0.0-1.module+el8.2.0+5488+267def79 RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 python-pyvmomi +1 6.7.1-7.module+el8.2.0+4793+b09dd2fb RHSA-2021:3704, RHSA-2021:3703
RHEL 8 qemu-img +10 15:4.2.0-29.module+el8.2.1+12598+39ddf37a.9 RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 qemu-kiwi +3 15:5.2.0-16.module+el8.4.0+12596+209e4022.10 RHSA-2022:1759, RHSA-2021:3703
RHEL 8 qemu-kvm-hw-usbredir 15:6.2.0-11.module+el8.6.0+14707+5aa4b42d RHSA-2022:1759
RHEL 8 seabios +2 1.13.0-2.module+el8.2.1+7284+aa32a2c4 RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 sgabios +1 1:0.20170427git-3.module+el8.2.0+4793+b09dd2fb RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 supermin +1 5.1.19-10.module+el8.2.0+4793+b09dd2fb RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 swtpm +3 0.2.0-2.20200127gitff5a83b.module+el8.2.0+5579+d71178e0 RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 swtpm-tools-pkcs11 0.7.0-1.20211109gitb79fd91.module+el8.6.0+14480+c0a3aa0f RHSA-2022:1759
RHEL 8 virglrenderer +2 0.8.2-1.module+el8.2.0+5777+d9c2af8c RHSA-2021:3704
RHEL 8 virt-dib +25 1:1.40.2-24.module+el8.2.1+7154+47ffd890 RHSA-2022:1759, RHSA-2021:3704, RHSA-2021:3703
RHEL 8 virt-v2v-man-pages-ja +2 1:1.42.0-9.module+el8.4.0+9561+069bb9c1 RHSA-2022:1759, RHSA-2021:3703

AlmaLinux

Errata ↗
ReleasePackageFixed inAdvisory
AlmaLinux 8 SLOF 20210217-1.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 hivex +6 1.3.18-23.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 libguestfs-winsupport 8.6-1.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 libiscsi +2 1.18.0-8.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 libnbd +6 1.6.0-5.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 libtpms +1 0.9.1-0.20211126git1ff6fe1f43.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 libvirt +27 8.0.0-5.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 libvirt-dbus 1.3.0-2.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 nbdkit +18 1.24.0-4.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 netcf +2 0.2.8-12.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 perl-Sys-Virt +1 8.0.0-1.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 qemu-img +14 15:6.2.0-11.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 seabios +2 1.15.0-2.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 sgabios +1 1:0.20170427git-3.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 supermin +1 5.2.1-1.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 swtpm +4 0.7.0-1.20211109gitb79fd91.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759
AlmaLinux 8 virt-dib +24 1:1.44.0-5.module_el8.6.0+2880+7d9e3703.alma ALSA-2022:1759
AlmaLinux 8 virt-v2v +3 1:1.42.0-18.module_el8.6.0+2880+7d9e3703 ALSA-2022:1759

Rocky Linux

Errata ↗
ReleasePackageFixed inAdvisory
Rocky Linux 8 hivex 1.3.18-23.module+el8.6.0+847+b490afdd RLSA-2022:1759
Rocky Linux 8 libguestfs 1:1.44.0-5.module+el8.6.0+1052+ff61d164.rocky RLSA-2022:1759
Rocky Linux 8 libguestfs-winsupport 8.6-1.module+el8.6.0+847+b490afdd RLSA-2022:1759
Rocky Linux 8 libiscsi 1.18.0-8.module+el8.4.0+534+4680a14e RLSA-2022:1759
Rocky Linux 8 libnbd 1.6.0-5.module+el8.6.0+847+b490afdd RLSA-2022:1759
Rocky Linux 8 libtpms 0.9.1-0.20211126git1ff6fe1f43.module+el8.6.0+1052+ff61d164 RLSA-2022:1759
Rocky Linux 8 libvirt 8.0.0-5.module+el8.6.0+847+b490afdd RLSA-2022:1759
Rocky Linux 8 libvirt-dbus 1.3.0-2.module+el8.4.0+534+4680a14e RLSA-2022:1759
Rocky Linux 8 nbdkit 1.24.0-4.module+el8.6.0+847+b490afdd RLSA-2022:1759
Rocky Linux 8 netcf 0.2.8-12.module+el8.4.0+534+4680a14e RLSA-2022:1759
Rocky Linux 8 perl-Sys-Virt +1 8.0.0-1.module+el8.6.0+847+b490afdd RLSA-2022:1759
Rocky Linux 8 qemu-kvm 5:6.2.0-11.module+el8.6.0+1000+18e3b59f.5 RLSA-2022:1759
Rocky Linux 8 seabios 1.15.0-2.module+el8.6.0+1052+ff61d164 RLSA-2022:1759
Rocky Linux 8 sgabios 1:0.20170427git-3.module+el8.4.0+534+4680a14e RLSA-2022:1759
Rocky Linux 8 supermin 5.2.1-1.module+el8.6.0+1052+ff61d164 RLSA-2022:1759
Rocky Linux 8 swtpm 0.7.0-1.20211109gitb79fd91.module+el8.6.0+847+b490afdd RLSA-2022:1759
Rocky Linux 8 virt-v2v 1:1.42.0-18.module+el8.6.0+847+b490afdd RLSA-2022:1759
ReleasePackageFixed inAdvisory
SLES 15 SP3 ntfs-3g_ntfsprogs 2021.8.22-3.8.1 SUSE-SU-2021:2971-1
SLES 15 SP2 ntfs-3g_ntfsprogs 2021.8.22-3.8.1 SUSE-SU-2021:2971-1
SLES 12 SP5 ntfs-3g_ntfsprogs 2021.8.22-5.9.1 SUSE-SU-2021:2965-1
ReleasePackageFixed inAdvisory
openSUSE Leap 15.3 ntfs-3g_ntfsprogs 2021.8.22-3.8.1 openSUSE-SU-2021:2971-1
openSUSE Leap 15.2 ntfs-3g_ntfsprogs 2021.8.22-lp152.5.3.1 openSUSE-SU-2021:1244-1

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) ntfs-3g 2021.8.22-1 —

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 8 hivex +6 1.3.18-23.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 libguestfs-winsupport 8.6-1.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 libiscsi +2 1.18.0-8.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 libnbd +6 1.6.0-5.module+el8.6.0+20664+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 libtpms +1 0.9.1-0.20211126git1ff6fe1f43.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 libvirt +27 8.0.0-5.0.1.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 libvirt-dbus 1.3.0-2.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 nbdkit +18 1.24.0-4.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 netcf +2 0.2.8-12.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 perl-Sys-Virt +1 8.0.0-1.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 qemu-img +14 15:6.2.0-11.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 seabios +2 1.15.0-2.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 sgabios +1 1:0.20170427git-3.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 supermin +1 5.2.1-1.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 swtpm +4 0.7.0-1.20211109gitb79fd91.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 virt-dib +24 1:1.44.0-5.0.1.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759
Oracle Linux 8 virt-v2v +3 1:1.42.0-18.0.1.module+el8.6.0+20659+3dcf7c70 ELSA-2022-1759

Advisories 13

References