# CVE-2023-45233: ovmf: This update for ovmf fixes the following issues: - CVE-2023-45229: out-of-bounds read in edk2 when processing IA_N... CVE-2023-45233 is fixed in 10 products on 1 platform, first by DEBIAN-CVE-2023-45233, released January 16, 2024. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2023-45233 - Priority: High - CVSS: 8.8 (Important) - EPSS: 0.0208 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Jan 16, 2024 ## Description This update for ovmf fixes the following issues: - CVE-2023-45229: out-of-bounds read in edk2 when processing IA_NA/IA_TA options in DHCPv6 Advertise messages. (bsc#1218879) - CVE-2023-45230: buffer overflow in the DHCPv6 client in edk2 via a long Server ID option. (bsc#1218880) - CVE-2023-45231: out-of-bounds read in edk2 when handling a ND Redirect message with truncated options. (bsc#1218881) - CVE-2023-45232: infinite loop in edk2 when parsing unknown options in the Destination Options header. (bsc#1218882) - CVE-2023-45233: infinite loop in edk2 when parsing PadN options in the Destination Options header. (bsc#1218883) - CVE-2023-45234: buffer overflow in edk2 when processing DNS Servers options in a DHCPv6 Advertise message. (bsc#1218884) - CVE-2023-45235: buffer overflow in edk2 when handling the Server ID option in a DHCPv6 proxy Advertise message. (bsc#1218885) - CVE-2023-45236: predictable TCP Initial Sequence Numbers in edk2 network packages. (bsc#1218886) - CVE-2023-45237: use of a weak pseudorandom number generator in edk2. (bsc#1218887) ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | edk2 Debian 12.15 (bookworm) | 2022.11-6+deb12u1 | [DEBIAN-CVE-2023-45233](https://patchblox.com/security/data/fix/linux/debian-cve-2023-45233.md) | Jan 16, 2024 | | Linux | edk2 Debian 13.5 (trixie) | 2023.11-6 | [DEBIAN-CVE-2023-45233](https://patchblox.com/security/data/fix/linux/debian-cve-2023-45233.md) | Jan 16, 2024 | | Linux | edk2 Debian 14 | 2023.11-6 | [DEBIAN-CVE-2023-45233](https://patchblox.com/security/data/fix/linux/debian-cve-2023-45233.md) | Jan 16, 2024 | | Linux | edk2 rocky 8 | 0:20220126gitbb1bba3d77-13.el8_10 | [RLSA-2024:3017](https://patchblox.com/security/data/fix/linux/rlsa-2024-3017.md) | May 7, 2025 | | Linux | edk2 rocky 9 | 0:20231122-6.el9 | [RLSA-2024:2264](https://patchblox.com/security/data/fix/linux/rlsa-2024-2264.md) | May 10, 2024 | | Linux | edk2-aarch64 RHEL 8 | 0:20220126gitbb1bba3d77-13.el8_10 | [RHSA-2024:3017](https://patchblox.com/security/data/fix/linux/rhsa-2024-3017.md) | May 22, 2024 | | Linux | edk2-aarch64 RHEL 9 | 0:20231122-6.el9 | [RHSA-2024:2264](https://patchblox.com/security/data/fix/linux/rhsa-2024-2264.md) | Apr 30, 2024 | | Linux | edk2-aarch64 almalinux 8 | 20220126gitbb1bba3d77-13.el8_10 | [ALSA-2024:3017](https://patchblox.com/security/data/fix/linux/alsa-2024-3017.md) | May 22, 2024 | | Linux | edk2-aarch64 almalinux 9 | 20231122-6.el9 | [ALSA-2024:2264](https://patchblox.com/security/data/fix/linux/alsa-2024-2264.md) | Apr 30, 2024 | | Linux | edk2-aarch64 ol 8 | 0:20220126gitbb1bba3d77-13.el8_10 | [ELSA-2024-3017](https://patchblox.com/security/data/fix/linux/elsa-2024-3017.md) | May 23, 2024 | | Linux | edk2-aarch64 ol 9 | 0:20231122-6.0.1.el9 | [ELSA-2024-2264](https://patchblox.com/security/data/fix/linux/elsa-2024-2264.md) | May 3, 2024 | | Linux | edk2-ovmf RHEL 8 | 0:20220126gitbb1bba3d77-13.el8_10 | [RHSA-2024:3017](https://patchblox.com/security/data/fix/linux/rhsa-2024-3017.md) | May 22, 2024 | | Linux | edk2-ovmf RHEL 9 | 0:20231122-6.el9 | [RHSA-2024:2264](https://patchblox.com/security/data/fix/linux/rhsa-2024-2264.md) | Apr 30, 2024 | | Linux | edk2-ovmf almalinux 8 | 20220126gitbb1bba3d77-13.el8_10 | [ALSA-2024:3017](https://patchblox.com/security/data/fix/linux/alsa-2024-3017.md) | May 22, 2024 | | Linux | edk2-ovmf almalinux 9 | 20231122-6.el9 | [ALSA-2024:2264](https://patchblox.com/security/data/fix/linux/alsa-2024-2264.md) | Apr 30, 2024 | | Linux | edk2-ovmf ol 8 | 0:20220126gitbb1bba3d77-13.el8_10 | [ELSA-2024-3017](https://patchblox.com/security/data/fix/linux/elsa-2024-3017.md) | May 23, 2024 | | Linux | edk2-ovmf ol 9 | 0:20231122-6.0.1.el9 | [ELSA-2024-2264](https://patchblox.com/security/data/fix/linux/elsa-2024-2264.md) | May 3, 2024 | | Linux | edk2-tools RHEL 9 | 0:20231122-6.el9 | [RHSA-2024:2264](https://patchblox.com/security/data/fix/linux/rhsa-2024-2264.md) | Apr 30, 2024 | | Linux | edk2-tools almalinux 9 | 20231122-6.el9 | [ALSA-2024:2264](https://patchblox.com/security/data/fix/linux/alsa-2024-2264.md) | Apr 30, 2024 | | Linux | edk2-tools ol 8 | 1:20240227-5.el8 | [ELSA-2024-20865](https://patchblox.com/security/data/fix/linux/elsa-2024-20865.md) | Apr 24, 2024 | | Linux | edk2-tools ol 9 | 0:20231122-6.0.1.el9 | [ELSA-2024-2264](https://patchblox.com/security/data/fix/linux/elsa-2024-2264.md) | May 3, 2024 | | Linux | edk2-tools-doc RHEL 9 | 0:20231122-6.el9 | [RHSA-2024:2264](https://patchblox.com/security/data/fix/linux/rhsa-2024-2264.md) | Apr 30, 2024 | | Linux | edk2-tools-doc almalinux 9 | 20231122-6.el9 | [ALSA-2024:2264](https://patchblox.com/security/data/fix/linux/alsa-2024-2264.md) | Apr 30, 2024 | | Linux | edk2-tools-doc ol 9 | 0:20231122-6.0.1.el9 | [ELSA-2024-2264](https://patchblox.com/security/data/fix/linux/elsa-2024-2264.md) | May 3, 2024 | | Linux | ovmf Ubuntu 20.04 LTS (focal) | 0~20191122.bd85bf54-2ubuntu3.5 | [ovmf 0~20191122.bd85bf54-2ubuntu3.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ovmf-0-20191122.bd85bf54-2ubuntu3.5.md) | Feb 13, 2024 | | Linux | ovmf Ubuntu 22.04.1 LTS (jammy) | 2022.02-3ubuntu0.22.04.2 | [ovmf 2022.02-3ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ovmf-2022.02-3ubuntu0.22.04.2.md) | Feb 13, 2024 | | Linux | ovmf opensuse-leap 15.6 | 202308-150600.5.9.1 | [SUSE-SU-2025:0421-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0421-1.md) | Feb 11, 2025 | | Linux | ovmf sles 15.6 | 202308-150600.5.9.1 | [SUSE-SU-2025:0421-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0421-1.md) | Feb 11, 2025 | | Linux | ovmf-ia32 Ubuntu 22.04.1 LTS (jammy) | 2022.02-3ubuntu0.22.04.2 | [ovmf-ia32 2022.02-3ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ovmf-ia32-2022.02-3ubuntu0.22.04.2.md) | Feb 13, 2024 | | Linux | qemu-efi Ubuntu 20.04 LTS (focal) | 0~20191122.bd85bf54-2ubuntu3.5 | [qemu-efi 0~20191122.bd85bf54-2ubuntu3.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-qemu-efi-0-20191122.bd85bf54-2ubuntu3.5.md) | Feb 13, 2024 | | Linux | qemu-efi Ubuntu 22.04.1 LTS (jammy) | 2022.02-3ubuntu0.22.04.2 | [qemu-efi 2022.02-3ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-qemu-efi-2022.02-3ubuntu0.22.04.2.md) | Feb 13, 2024 | | Linux | qemu-efi-aarch64 Ubuntu 20.04 LTS (focal) | 0~20191122.bd85bf54-2ubuntu3.5 | [qemu-efi-aarch64 0~20191122.bd85bf54-2ubuntu3.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-qemu-efi-aarch64-0-20191122.bd85bf54-2ubuntu3.5.md) | Feb 13, 2024 | | Linux | qemu-efi-aarch64 Ubuntu 22.04.1 LTS (jammy) | 2022.02-3ubuntu0.22.04.2 | [qemu-efi-aarch64 2022.02-3ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-qemu-efi-aarch64-2022.02-3ubuntu0.22.04.2.md) | Feb 13, 2024 | | Linux | qemu-efi-arm Ubuntu 20.04 LTS (focal) | 0~20191122.bd85bf54-2ubuntu3.5 | [qemu-efi-arm 0~20191122.bd85bf54-2ubuntu3.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-qemu-efi-arm-0-20191122.bd85bf54-2ubuntu3.5.md) | Feb 13, 2024 | | Linux | qemu-efi-arm Ubuntu 22.04.1 LTS (jammy) | 2022.02-3ubuntu0.22.04.2 | [qemu-efi-arm 2022.02-3ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-qemu-efi-arm-2022.02-3ubuntu0.22.04.2.md) | Feb 13, 2024 | --- Data as of 2026-11-08T06:59:42Z UTC. 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