Description
Sudo before 1.9.15 might allow row hammer attacks (for authentication bypass or privilege escalation) because application logic sometimes is based on not equaling an error value (instead of equaling a success value), and because the values do not resist flips of a single bit.
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 | sudo | 1.9.15p2-2 | — |
| Debian 13 | sudo | 1.9.15p2-2 | — |
| Debian 12 | sudo | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | sudo +1 | 1.9.5p2-10.el9_3 | RHSA-2024:0811 |
| RHEL 8 | sudo | 1.9.5p2-1.el8_9 | RHSA-2024:0811 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | sudo +1 | 1.9.5p2-9.el9_2.2 | RHSA-2024:0811 |
| RHEL 9.0 EUS | sudo +1 | 1.9.5p2-7.el9_0.4 | RHSA-2024:0811 |
| RHEL 8.8 EUS | sudo | 1.9.5p2-1.el8_8 | RHSA-2024:0811 |
| RHEL 8.6 EUS | sudo | 1.9.5p2-1.el8_6 | RHSA-2024:0811 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | sudo +1 | 1.9.5p2-10.el9_3 | ALSA-2024:0811 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | sudo | 1.9.12p1-150500.7.10.1 | SUSE-SU-2024:0876-1 |
| SLES 15 SP4 | sudo | 1.9.9-150400.4.36.1 | SUSE-SU-2024:0877-1 |
| SLES 15 SP3 | sudo | 1.9.5p2-150300.3.33.1 | SUSE-SU-2024:0834-1 |
| SLES 15 SP2 | sudo | 1.8.27-150000.4.53.1 | SUSE-SU-2024:0889-1 |
| SLES 12 SP5 | sudo | 1.8.27-4.48.2 | SUSE-SU-2024:0890-1 |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP4 | sudo | 1.9.9-150400.4.36.1 | SUSE-SU-2024:0877-1 |
| SLES for SAP 15 SP3 | sudo | 1.9.5p2-150300.3.33.1 | SUSE-SU-2024:0834-1 |
| SLES for SAP 15 SP2 | sudo | 1.8.27-150000.4.53.1 | SUSE-SU-2024:0889-1 |
| SLES for SAP 12 SP5 | sudo | 1.8.27-4.48.2 | SUSE-SU-2024:0890-1 |
| SLE Micro 5.5 | sudo | 1.9.12p1-150500.7.10.1 | SUSE-SU-2024:0876-2, SUSE-SU-2024:0876-1 |
| SLE Micro 5.4 | sudo | 1.9.9-150400.4.36.1 | SUSE-SU-2024:0877-1 |
| SLE Micro 5.3 | sudo | 1.9.9-150400.4.36.1 | SUSE-SU-2024:0877-1 |
| SLE Micro 5.2 | sudo | 1.9.5p2-150300.3.33.1 | SUSE-SU-2024:0834-1 |
| SLE Micro 5.1 | sudo | 1.9.5p2-150300.3.33.1 | SUSE-SU-2024:0834-1 |
| SLE HPC 15 SP4 | sudo | 1.9.9-150400.4.36.1 | SUSE-SU-2024:0877-1 |
| SLE HPC 15 SP3 | sudo | 1.9.5p2-150300.3.33.1 | SUSE-SU-2024:0834-1 |
| SLE HPC 15 SP2 | sudo | 1.8.27-150000.4.53.1 | SUSE-SU-2024:0889-1 |
| SUSE Manager Server 4.3 | sudo | 1.9.9-150400.4.36.1 | SUSE-SU-2024:0877-1 |
| SUSE Manager Proxy 4.3 | sudo | 1.9.9-150400.4.36.1 | SUSE-SU-2024:0877-1 |
| SUSE Enterprise Storage 7.1 | sudo | 1.9.5p2-150300.3.33.1 | SUSE-SU-2024:0834-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | sudo | 1.9.15p2-1.1 | openSUSE-SU-2024:13490-1 |
| openSUSE Leap 15.5 | sudo | 1.9.12p1-150500.7.10.1 | SUSE-SU-2024:0876-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | sudo | 1.9.9-150400.4.36.1 | SUSE-SU-2024:0877-1 |
| openSUSE Leap Micro 5.3 | sudo | 1.9.9-150400.4.36.1 | SUSE-SU-2024:0877-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | sudo +3 | 1.9.14-1.p3.amzn2023.0.1 | ALAS2023-2024-514 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | sudo | 1.9.15p5-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | sudo +1 | 1.9.5p2-10.el9_3 | ELSA-2024-0811 |
Advisories 14
- ALSA-2024:0811 Moderate: sudo security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:0811 Red Hat Security Advisory: sudo security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- openSUSE-SU-2024:13490-1 sudo-1.9.15p2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0834-1 Security update for sudo SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0889-1 Security update for sudo SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0876-1 Security update for sudo SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0890-1 Security update for sudo SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:0877-1 Security update for sudo SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-3377 Dell PowerProtect Data Domain: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 12, 2025
- VDE-2024-073 Phoenix Contact: Multiple Vulnerabilities in PLCnext Firmware CERT@VDE · May 22, 2025
- SUSE-SU-2024:0876-2 Security update for sudo SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2023-3205 sudo: Schwachstelle ermöglicht Privilegieneskalation BSI CERT-Bund (WID) · Oct 9, 2024
- ALAS2023-2024-514 Low: sudo security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 26, 2024
- ELSA-2024-0811 Moderate: sudo security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Feb 14, 2024
References
- https://www.sudo.ws/releases/changelog/
- https://www.openwall.com/lists/oss-security/2023/12/21/9
- https://github.com/sudo-project/sudo/commit/7873f8334c8d31031f8cfa83bd97ac6029309e4f
- https://arxiv.org/abs/2309.02545
- https://github.com/sudo-project/sudo/releases/tag/SUDO_1_9_15
- GLSA-202401-29 vendor-advisory
- FEDORA-2024-cdccda4f62 vendor-advisory
- https://security.netapp.com/advisory/ntap-20240208-0002/
- FEDORA-2024-6fa5af9ea8 vendor-advisory