Description
An integer underflow in fuse_lib_readdir enables arbitrary memory read operations in NTFS-3G through 2021.8.22 when using libfuse-lite.
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ntfs-3g | 1:2022.5.17-1 | — |
| Debian 13 | ntfs-3g | 1:2022.5.17-1 | — |
| Debian 12 | ntfs-3g | 1:2022.5.17-1 | — |
| Debian 11 | ntfs-3g | 1:2017.3.23AR.3-4+deb11u2 | DSA-5160-1 |
| Debian 10 | ntfs-3g | 1:2017.3.23AR.3-3+deb10u2 | DSA-5160-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | ntfs-3g | 1:2016.2.22AR.1+dfsg-1+deb9u3 | DLA-3055-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | ntfs-3g | 1:2021.8.22-3ubuntu1.1 | USN-5463-1 |
| Ubuntu 20.04 LTS | ntfs-3g | 1:2017.3.23AR.3-3ubuntu1.2 | USN-5463-1 |
| Ubuntu 18.04 LTS | ntfs-3g | 1:2017.3.23-2ubuntu0.18.04.4 | USN-5463-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | ntfs-3g | 1:2015.3.14AR.1-1ubuntu0.3+esm3 | USN-5463-2 |
| Ubuntu Pro 14.04 LTS | ntfs-3g | 1:2013.1.13AR.1-2ubuntu2+esm3 | USN-5463-2 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | ntfs-3g_ntfsprogs | 2022.5.17-150000.3.11.1 | SUSE-SU-2022:2835-1 |
| SLES 15 SP3 | ntfs-3g_ntfsprogs | 2022.5.17-150000.3.11.1 | SUSE-SU-2022:2835-1 |
| SLES 12 SP5 | ntfs-3g_ntfsprogs | 2022.5.17-5.12.1 | SUSE-SU-2022:2836-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | ntfs-3g_ntfsprogs | 2022.5.17-150000.3.11.1 | SUSE-SU-2022:2835-1 |
| openSUSE Leap 15.3 | ntfs-3g_ntfsprogs | 2022.5.17-150000.3.11.1 | SUSE-SU-2022:2835-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ntfs-3g | 2022.5.17-r0 | — |
| Alpine v3.23 | ntfs-3g | 2022.5.17-r0 | — |
| Alpine v3.22 | ntfs-3g | 2022.5.17-r0 | — |
| Alpine v3.21 | ntfs-3g | 2022.5.17-r0 | — |
| Alpine v3.20 | ntfs-3g | 2022.5.17-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | ntfs-3g | 2022.5.17-r0 | — |
| Alpine v3.18 | ntfs-3g | 2022.5.17-r0 | — |
| Alpine v3.17 | ntfs-3g | 2022.5.17-r0 | — |
| Alpine v3.16 | ntfs-3g | 2022.5.17-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libguestfs-winsupport | 7.2-3.amzn2.0.1 | ALAS2-2023-2332 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | ntfs-3g | 2022.5.17-1 | — |
Advisories 7
- USN-5463-2 ntfs-3g vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- USN-5463-1 ntfs-3g vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-5160-1 ntfs-3g - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3055-1 ntfs-3g - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:2836-1 Security update for ntfs-3g_ntfsprogs SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2835-1 Security update for ntfs-3g_ntfsprogs SUSE / openSUSE Security Updates · May 2, 2025
- ALAS2-2023-2332 Moderate: libguestfs-winsupport security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 1, 2023
References
- https://github.com/tuxera/ntfs-3g/releases
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-6mv4-4v73-xw58
- [oss-security] 20220607 UNPAR-2022-0 Multiple Vulnerabilities in ntfs-3g NTFS Mount Tool mailing-list
- DSA-5160 vendor-advisory
- FEDORA-2022-8f775872c9 vendor-advisory
- FEDORA-2022-13bc8c91b0 vendor-advisory
- [debian-lts-announce] 20220621 [SECURITY] [DLA 3055-1] ntfs-3g security update mailing-list
- FEDORA-2022-8fa7e5aeaf vendor-advisory
- FEDORA-2022-1176b501f0 vendor-advisory
- GLSA-202301-01 vendor-advisory