Description
An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy when parsing a UDP packet due to a net_process_received_packet integer underflow during an *udp_packet_handler call.
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 | u-boot | 2020.01+dfsg-1 | — |
| Debian 13 | u-boot | 2020.01+dfsg-1 | — |
| Debian 12 | u-boot | 2020.01+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | u-boot | 2021.01+dfsg-3ubuntu0~20.04.3 | — |
| Ubuntu 18.04 LTS | u-boot | 2020.10+dfsg-1ubuntu0~18.04.2 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | u-boot | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | u-boot | 2019.01-7.10.1 | SUSE-SU-2020:3282-1 |
| SLES 15 SP1 | u-boot-rpi3 | 2019.01-7.10.2 | SUSE-SU-2020:3282-1 |
| SLES 15 | u-boot | 2018.03-4.6.1 | SUSE-SU-2020:3283-1 |
| SLES 15 | u-boot-rpi3 | 2018.03-4.6.2 | SUSE-SU-2020:3283-1 |
| SLES 12 SP5 | u-boot +1 | 2019.01-5.3.1 | SUSE-SU-2020:3255-1 |
| SLES 12 SP4 | u-boot +1 | 2018.03-4.3.1 | SUSE-SU-2020:3256-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 | u-boot | 2018.03-4.6.1 | SUSE-SU-2020:3283-1 |
| SLES for SAP 12 SP5 | u-boot +1 | 2019.01-5.3.1 | SUSE-SU-2020:3255-1 |
| SLE HPC 15 | u-boot | 2018.03-4.6.1 | SUSE-SU-2020:3283-1 |
| SLE HPC 15 | u-boot-rpi3 | 2018.03-4.6.2 | SUSE-SU-2020:3283-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | u-boot | 2019.01-lp151.6.13.1 | openSUSE-SU-2020:1930-1 |
Advisories 8
- ICSA-26-134-16 Siemens Ruggedcom Rox CISA ICS & IT advisories · May 14, 2026
- NCSC-2026-0147 Kwetsbaarheden verholpen in Siemens-producten NCSC-NL (Netherlands) · May 13, 2026
- SSA-577017 SSA-577017: Multiple Vulnerabilities in Ruggedcom Rox Before 2.17.1 Siemens ProductCERT · May 12, 2026
- SUSE-SU-2020:3282-1 Security update for u-boot SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3255-1 Security update for u-boot SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1930-1 Security update for u-boot SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3256-1 Security update for u-boot SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3283-1 Security update for u-boot SUSE / openSUSE Security Updates · Feb 4, 2026