Description
NetworkPkg/IScsiDxe has remotely exploitable buffer overflows.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TianoCore | EDK II | unspecified – ≤ edk2-stable202105 | — |
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 | edk2 | 2021.08-1 | — |
| Debian 13 | edk2 | 2021.08-1 | — |
| Debian 12 | edk2 | 2021.08-1 | — |
| Debian 11 | edk2 | 2020.11-2+deb11u3 | DLA-4207-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | edk2 | 2022.02-3ubuntu0.22.04.3 | USN-7060-1 |
| Ubuntu 20.04 LTS | edk2 | 0~20191122.bd85bf54-2ubuntu3.3 | USN-7060-1, USN-5088-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | edk2 | 0~20180205.c0d9813c-2ubuntu0.3+esm2 | USN-7060-1 |
| Ubuntu Pro 16.04 LTS | edk2 | 0~20160408.ffea0a2c-2ubuntu0.2+esm3 | USN-7060-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | edk2 +2 | 20200602gitca407c7246bf-4.el8_4.2 | RHSA-2021:3066 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | redhat-virtualization-host +1 | 4.4.7-20210804.0.el8_4 | RHSA-2021:3235 |
| RHEL 8.2 EUS | edk2 +2 | 20190829git37eef91017ad-9.el8_2.1 | RHSA-2021:3369 |
| RHEL 8.1 EUS | edk2 +2 | 20190308git89910a39dcfd-6.el8_1.1 | RHSA-2021:3172 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | edk2 | 20200602gitca407c7246bf-4.el8_4.2 | RLSA-2021:3066 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | edk2-ovmf +1 | 20200602gitca407c7246bf-4.el8_4.2 | ELSA-2021-3066 |
Advisories 9
- RHSA-2021:3235 Red Hat Security Advisory: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.7] Red Hat Security Advisories (RHSA) · Aug 26, 2026
- USN-7060-1 edk2 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-5088-1 edk2 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-4207-1 edk2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2021:3066 Important: edk2 security update Rocky Linux Security Advisories · Feb 5, 2026
- RHSA-2021:3369 Red Hat Security Advisory: edk2 security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2021:3172 Red Hat Security Advisory: edk2 security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2021:3066 Red Hat Security Advisory: edk2 security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ELSA-2021-3066 Important: edk2 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 11, 2021