Description
An issue was discovered in drivers/acpi/acpi_configfs.c in the Linux kernel before 5.7.7. Injection of malicious ACPI tables via configfs could be used by attackers to bypass lockdown and secure boot restrictions, aka CID-75b0cea7bf30.
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 | linux | 5.7.10-1 | — |
| Debian 13 | linux | 5.7.10-1 | — |
| Debian 12 | linux | 5.7.10-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-42.46 | USN-4425-1 |
| Ubuntu 20.04 LTS | linux-aws +1 | 5.4.0-1020.20 | USN-4425-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1022.22 | USN-4425-1 |
| Ubuntu 20.04 LTS | linux-gcp +1 | 5.4.0-1021.21 | USN-4425-1 |
| Ubuntu 20.04 LTS | linux-gke +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-oem-5.6 | 5.6.0-1031.32 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1015.15 | USN-4425-1 |
| Ubuntu 20.04 LTS | linux-riscv | 5.4.0-30.34 | USN-4425-1 |
| Ubuntu 18.04 LTS | linux | 4.15.0-112.113 | USN-4426-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1079.83 | USN-4426-1 |
| Ubuntu 18.04 LTS | linux-aws-5.3 | 5.3.0-1032.34~18.04.2 | USN-4440-1 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1092.102 | USN-4426-1 |
| Ubuntu 18.04 LTS | linux-azure-5.3 | 5.3.0-1034.35~18.04.1 | USN-4440-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1022.22~18.04.1 | USN-4425-1 |
| Ubuntu 18.04 LTS | linux-gcp +6 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1080.90 | USN-4426-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.3 +1 | 5.3.0-1032.34~18.04.1 | USN-4440-1 |
| Ubuntu 18.04 LTS | linux-gke-4.15 | 4.15.0-1066.69 | USN-4426-1 |
| Ubuntu 18.04 LTS | linux-gke-5.0 | 5.0.0-1045.46 | USN-4439-1 |
| Ubuntu 18.04 LTS | linux-hwe | 5.3.0-64.58~18.04.1 | USN-4440-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-42.46~18.04.1 | USN-4425-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1071.72 | USN-4426-1 |
| Ubuntu 18.04 LTS | linux-oem | 4.15.0-1093.103 | USN-4426-1 |
| Ubuntu 18.04 LTS | linux-oem-osp1 | 5.0.0-1065.70 | USN-4439-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1050.54 | USN-4426-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.3 | 5.3.0-1030.32~18.04.1 | USN-4440-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1015.15~18.04.1 | USN-4425-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1067.71 | USN-4426-1 |
| Ubuntu 18.04 LTS | linux-raspi2-5.3 | 5.3.0-1030.32~18.04.2 | USN-4440-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1083.91 | USN-4426-1 |
| Ubuntu 16.04 LTS | linux-aws-hwe | 4.15.0-1079.83~16.04.1 | USN-4426-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1092.102~16.04.1 | USN-4426-1 |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1080.90~16.04.1 | USN-4426-1 |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-112.113~16.04.1 | USN-4426-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 16.04 LTS | linux-oracle | 4.15.0-1050.54~16.04.1 | USN-4426-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS 18.04 LTS | linux-aws-fips +2 | No fix yet | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2024.24 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2006.7 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1037.42 | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1092.102~14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-193.14.3.rt13.67.el8_2 | RHSA-2020:3219 |
| RHEL 8 | perf +28 | 4.18.0-193.14.3.el8_2 | RHSA-2020:3218 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.1 EUS | perf +26 | 4.18.0-147.24.2.el8_1 | RHSA-2020:3222 |
| RHEL 8.0 E4S | perf +20 | 4.18.0-80.27.2.el8_0 | RHSA-2020:3228 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | kernel-azure +2 | 5.3.18-18.5.1 | SUSE-SU-2020:2027-1 |
| SLES 15 SP2 | kernel-default-base | 5.3.18-24.9.1.9.2.6 | SUSE-SU-2020:2105-1 |
| SLES 15 SP2 | kernel-docs | 5.3.18-24.9.2 | SUSE-SU-2020:2105-1 |
| SLES 15 SP2 | kernel-syms +4 | 5.3.18-24.9.1 | SUSE-SU-2020:2105-1 |
| SLES 15 SP1 | kernel-azure +2 | 4.12.14-8.38.1 | SUSE-SU-2020:2103-1 |
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.48.1 | SUSE-SU-2020:2107-1 |
| SLES 15 | kernel-docs +6 | 4.12.14-150.55.1 | SUSE-SU-2020:2106-1 |
| SLES 12 SP5 | kernel-azure +2 | 4.12.14-16.22.1 | SUSE-SU-2020:2119-1 |
| SLES 12 SP5 | kernel-docs +4 | 4.12.14-122.29.1 | SUSE-SU-2020:2122-1 |
| SLES 12 SP4 | kernel-syms +2 | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 | kernel-docs +5 | 4.12.14-150.55.1 | SUSE-SU-2020:2106-1 |
| SLES for SAP 12 SP5 | kernel-azure +2 | 4.12.14-16.22.1 | SUSE-SU-2020:2119-1 |
| SLES for SAP 12 SP5 | kernel-syms +2 | 4.12.14-122.29.1 | SUSE-SU-2020:2122-1 |
| SLES for SAP 12 SP4 | kernel-syms +2 | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
| SLE Real Time 12 SP5 | kernel-rt +3 | 4.12.14-10.13.1 | SUSE-SU-2020:2478-1 |
| SLE Live Patching 15 SP2 | kernel-default | 5.3.18-24.9.1 | SUSE-SU-2020:2105-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_0 | 2-5.2 | SUSE-SU-2020:2515-1 |
| SLE Live Patching 15 SP2 | kernel-livepatch-SLE15-SP2_Update_1 | 1-5.3.6 | SUSE-SU-2020:2105-1 |
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.48.1 | SUSE-SU-2020:2107-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_11 | 4-2.2 | SUSE-SU-2020:2515-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_12 | 2-2.2 | SUSE-SU-2020:2517-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_13 | 1-3.3.1 | SUSE-SU-2020:2107-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_5 +1 | 8-2.2 | SUSE-SU-2020:2526-1, SUSE-SU-2020:2505-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_7 +1 | 6-2.2 | SUSE-SU-2020:2513-1, SUSE-SU-2020:2505-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_9 +1 | 5-2.2 | SUSE-SU-2020:2531-1 |
| SLE Live Patching 15 | kernel-default | 4.12.14-150.55.1 | SUSE-SU-2020:2106-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_14 +1 | 8-2.2 | SUSE-SU-2020:2505-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_16 +1 | 6-2.2 | SUSE-SU-2020:2513-1, SUSE-SU-2020:2505-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_18 | 2-2.2 | SUSE-SU-2020:2524-1 |
| SLE Live Patching 15 | kernel-livepatch-SLE15_Update_19 | 1-1.3.1 | SUSE-SU-2020:2106-1 |
| SLE Live Patching 12 SP5 | kernel-default | 4.12.14-122.29.1 | SUSE-SU-2020:2122-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_0 | 6-15.2 | SUSE-SU-2020:2505-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_1 +1 | 6-2.2 | SUSE-SU-2020:2513-1, SUSE-SU-2020:2506-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_3 | 5-2.2 | SUSE-SU-2020:2531-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_4 | 4-2.2 | SUSE-SU-2020:2515-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_5 +1 | 2-2.2 | SUSE-SU-2020:2517-1 |
| SLE Live Patching 12 SP5 | kgraft-patch-SLE12-SP5_Update_7 | 1-8.3.1 | SUSE-SU-2020:2122-1 |
| SLE Live Patching 12 SP4 | kernel-default | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_10 +1 | 6-2.2 | SUSE-SU-2020:2506-1, SUSE-SU-2020:2505-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_12 | 5-2.2 | SUSE-SU-2020:2507-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_13 | 4-2.2 | SUSE-SU-2020:2508-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_14 | 2-2.2 | SUSE-SU-2020:2509-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_15 | 1-6.3.1 | SUSE-SU-2020:2121-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_8 | 8-2.2 | SUSE-SU-2020:2505-1 |
| SLE Live Patching 12 SP4 | kgraft-patch-SLE12-SP4_Update_9 | 7-2.2 | SUSE-SU-2020:2505-1 |
| SLE HPC 15 | kernel-docs +5 | 4.12.14-150.55.1 | SUSE-SU-2020:2106-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.28.1 | SUSE-SU-2020:2487-1 |
| SUSE OpenStack Cloud Crowbar 9 | kernel-syms +2 | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
| SUSE OpenStack Cloud 9 | kernel-syms +2 | 4.12.14-95.57.1 | SUSE-SU-2020:2121-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | bbswitch | 0.8-lp152.6.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | crash | 7.2.8-lp152.3.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | dpdk | 19.11.1-lp152.2.5.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | drbd | 9.0.22~1+git.fe2b5983-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | hdjmod | 1.28-lp152.6.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | kernel-docs +8 | 5.3.18-lp152.36.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | kernel-rt +3 | 5.3.18-lp152.3.5.1 | openSUSE-SU-2021:0242-1 |
| openSUSE Leap 15.2 | mhvtl | 1.62-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | openafs | 1.8.5-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | pcfclock | 0.44-lp152.4.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | rtl8812au | 5.6.4.2+git20200318.49e98ff-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | sysdig | 0.26.5-lp152.3.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | v4l2loopback | 0.12.5-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | vhba-kmp | 20200106-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | virtualbox | 6.1.10-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.2 | xtables-addons | 3.9-lp152.2.2.1 | openSUSE-SU-2020:1236-1 |
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.59.1 | openSUSE-SU-2020:1153-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-193.14.3.el8_2 | ELSA-2020-3218 |
| Oracle Linux 7 | kernel-uek +4 | 5.4.17-2011.4.6.el8uek | ELSA-2020-5792 |
| Oracle Linux 7 | perf +3 | 5.4.17-2011.4.6.el7uek | ELSA-2020-5792 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
Annavid/CVE-2020-15780-exploit ★ 0 · Dec 27, 2023
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 34
- RHSA-2020:3228 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:3222 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:3218 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:3219 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-4440-1 linux-hwe, linux-aws-5.3, linux-azure-5.3, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-oracle-5.3, linux-raspi2-5.3 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4425-1 linux, linux-aws, linux-azure, linux-azure-5.4, linux-gcp, linux-hwe-5.4, linux-kvm, linux-oracle, linux-raspi, linux-raspi-5.4, linux-riscv vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4439-1 linux-gke-5.0, linux-oem-osp1 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-4426-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- SUSE-SU-2020:2105-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2524-1 Security update for the Linux Kernel (Live Patch 18 for SLE 15) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2506-1 Security update for the Linux Kernel (Live Patch 1 for SLE 12 SP5) SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1153-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0242-1 Security update for RT kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1236-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2505-1 Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2515-1 Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP2) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2509-1 Security update for the Linux Kernel (Live Patch 14 for SLE 12 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2119-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2487-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2107-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2513-1 Security update for the Linux Kernel (Live Patch 8 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2121-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2122-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2517-1 Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2478-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2103-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2526-1 Security update for the Linux Kernel (Live Patch 5 for SLE 15 SP1) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2507-1 Security update for the Linux Kernel (Live Patch 12 for SLE 12 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2508-1 Security update for the Linux Kernel (Live Patch 13 for SLE 12 SP4) SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2027-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2531-1 Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP1) SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2020:2106-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2020-3218 Moderate: kernel security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 30, 2020
- ELSA-2020-5792 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 29, 2020
References
- https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language-2.sh
- https://www.openwall.com/lists/oss-security/2020/06/15/3
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75b0cea7bf307f362057cc778efe89af4c615354
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.7
- [oss-security] 20200720 Re: Re: lockdown bypass on mainline kernel for loading unsigned modules mailing-list
- [oss-security] 20200729 multiple secure boot grub2 and linux kernel vulnerabilities mailing-list
- [oss-security] 20200730 Re: UEFI SecureBoot bypass fixes rolled out to kernels below radar mailing-list
- [oss-security] 20200730 UEFI SecureBoot bypass fixes rolled out to kernels below radar mailing-list
- USN-4425-1 vendor-advisory
- USN-4439-1 vendor-advisory
- USN-4426-1 vendor-advisory
- USN-4440-1 vendor-advisory
- openSUSE-SU-2020:1153 vendor-advisory
- openSUSE-SU-2020:1236 vendor-advisory