# CVE-2023-53676: kernel-livepatch-SLE15-SP6_Update_7: scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251787).

CVE-2023-53676 is fixed in 63 products on 1 platform, first by ALAS2023-2023-356, released September 27, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-53676
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0033
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 27, 2023

## Description

scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show() (bsc#1251787).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | dtb-aarch64 opensuse-leap 15.6 | 6.4.0-150600.23.81.1 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-64kb opensuse-leap 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-64kb sles 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-64kb sles 15.7 | 6.4.0-150700.53.25.1 | [SUSE-SU-2025:4393-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4393-1.md) | Dec 15, 2025 |
| Linux | kernel-azure opensuse-leap 15.6 | 6.4.0-150600.8.58.1 | [SUSE-SU-2025:4505-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4505-1.md) | Dec 22, 2025 |
| Linux | kernel-azure sles 15.6 | 6.4.0-150600.8.58.1 | [SUSE-SU-2025:4505-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4505-1.md) | Dec 22, 2025 |
| Linux | kernel-azure sles 15.7 | 6.4.0-150700.20.21.1 | [SUSE-SU-2025:4517-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4517-1.md) | Dec 23, 2025 |
| Linux | kernel-debug opensuse-leap 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-default opensuse-leap 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-default sles 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-default sles 15.7 | 6.4.0-150700.53.25.1 | [SUSE-SU-2025:4393-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4393-1.md) | Dec 15, 2025 |
| Linux | kernel-default-base opensuse-leap 15.6 | 6.4.0-150600.23.81.3.150600.12.36.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-default-base sles 15.6 | 6.4.0-150600.23.81.3.150600.12.36.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-default-base sles 15.7 | 6.4.0-150700.53.25.1.150700.17.17.1 | [SUSE-SU-2025:4393-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4393-1.md) | Dec 15, 2025 |
| Linux | kernel-devel amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-docs opensuse-leap 15.6 | 6.4.0-150600.23.81.1 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-docs sles 15.6 | 6.4.0-150600.23.81.1 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-docs sles 15.7 | 6.4.0-150700.53.25.2 | [SUSE-SU-2025:4393-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4393-1.md) | Dec 15, 2025 |
| Linux | kernel-headers amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-kvmsmall opensuse-leap 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-libbpf amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-livepatch-6.1.55-75.123 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-livepatch-SLE15-SP6-RT_Update_18 sles 15.6 | 1-150600.1.3.1 | [SUSE-SU-2025:4521-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4521-1.md) | Dec 24, 2025 |
| Linux | kernel-livepatch-SLE15-SP6_Update_10 sles 15.6 | 11-150600.2.1 | [SUSE-SU-2026:0274-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0274-1.md) | Jan 23, 2026 |
| Linux | kernel-livepatch-SLE15-SP6_Update_13 sles 15.6 | 9-150600.2.1 | [SUSE-SU-2026:0283-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0283-1.md) | Jan 23, 2026 |
| Linux | kernel-livepatch-SLE15-SP6_Update_14 sles 15.6 | 5-150600.2.1 | [SUSE-SU-2026:0202-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0202-1.md) | Jan 21, 2026 |
| Linux | kernel-livepatch-SLE15-SP6_Update_15 sles 15.6 | 5-150600.2.1 | [SUSE-SU-2026:0203-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0203-1.md) | Jan 21, 2026 |
| Linux | kernel-livepatch-SLE15-SP6_Update_16 sles 15.6 | 2-150600.2.1 | [SUSE-SU-2026:0204-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0204-1.md) | Jan 21, 2026 |
| Linux | kernel-livepatch-SLE15-SP6_Update_18 sles 15.6 | 1-150600.13.3.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-livepatch-SLE15-SP6_Update_6 sles 15.6 | 17-150600.2.1 | [SUSE-SU-2026:0269-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0269-1.md) | Jan 23, 2026 |
| Linux | kernel-livepatch-SLE15-SP6_Update_7 sles 15.6 | 17-150600.2.1 | [SUSE-SU-2026:0270-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0270-1.md) | Jan 23, 2026 |
| Linux | kernel-livepatch-SLE15-SP6_Update_8 sles 15.6 | 12-150600.2.1 | [SUSE-SU-2026:0262-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0262-1.md) | Jan 22, 2026 |
| Linux | kernel-livepatch-SLE15-SP7-RT_Update_0 sles 15.7 | 9-150700.3.1 | [SUSE-SU-2026:0148-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0148-1.md) | Jan 17, 2026 |
| Linux | kernel-livepatch-SLE15-SP7-RT_Update_1 sles 15.7 | 9-150700.2.1 | [SUSE-SU-2026:0171-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0171-1.md) | Jan 19, 2026 |
| Linux | kernel-livepatch-SLE15-SP7-RT_Update_2 sles 15.7 | 9-150700.2.1 | [SUSE-SU-2026:0144-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0144-1.md) | Jan 17, 2026 |
| Linux | kernel-livepatch-SLE15-SP7-RT_Update_3 sles 15.7 | 5-150700.2.1 | [SUSE-SU-2026:0146-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0146-1.md) | Jan 17, 2026 |
| Linux | kernel-livepatch-SLE15-SP7-RT_Update_4 sles 15.7 | 5-150700.2.1 | [SUSE-SU-2026:0145-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0145-1.md) | Jan 17, 2026 |
| Linux | kernel-livepatch-SLE15-SP7-RT_Update_5 sles 15.7 | 2-150700.2.1 | [SUSE-SU-2026:0169-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0169-1.md) | Jan 19, 2026 |
| Linux | kernel-livepatch-SLE15-SP7-RT_Update_6 sles 15.7 | 2-150700.2.1 | [SUSE-SU-2026:0147-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0147-1.md) | Jan 17, 2026 |
| Linux | kernel-livepatch-SLE15-SP7-RT_Update_7 sles 15.7 | 1-150700.1.3.1 | [SUSE-SU-2025:4516-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4516-1.md) | Dec 23, 2025 |
| Linux | kernel-livepatch-SLE15-SP7_Update_0 sles 15.7 | 9-150700.3.24.1 | [SUSE-SU-2026:0283-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0283-1.md) | Jan 23, 2026 |
| Linux | kernel-livepatch-SLE15-SP7_Update_1 sles 15.7 | 9-150700.2.1 | [SUSE-SU-2026:0284-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0284-1.md) | Jan 23, 2026 |
| Linux | kernel-livepatch-SLE15-SP7_Update_3 sles 15.7 | 5-150700.2.1 | [SUSE-SU-2026:0202-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0202-1.md) | Jan 21, 2026 |
| Linux | kernel-livepatch-SLE15-SP7_Update_4 sles 15.7 | 5-150700.2.1 | [SUSE-SU-2026:0209-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0209-1.md) | Jan 21, 2026 |
| Linux | kernel-livepatch-SLE15-SP7_Update_5 sles 15.7 | 2-150700.2.1 | [SUSE-SU-2026:0247-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0247-1.md) | Jan 22, 2026 |
| Linux | kernel-livepatch-SLE15-SP7_Update_7 sles 15.7 | 1-150700.15.3.1 | [SUSE-SU-2025:4393-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4393-1.md) | Dec 15, 2025 |
| Linux | kernel-obs-build opensuse-leap 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-obs-build sles 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-obs-build sles 15.7 | 6.4.0-150700.53.25.1 | [SUSE-SU-2025:4393-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4393-1.md) | Dec 15, 2025 |
| Linux | kernel-obs-qa opensuse-leap 15.6 | 6.4.0-150600.23.81.1 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-rt opensuse-leap 15.6 | 6.4.0-150600.10.61.1 | [SUSE-SU-2025:4521-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4521-1.md) | Dec 24, 2025 |
| Linux | kernel-rt_debug opensuse-leap 15.6 | 6.4.0-150600.10.61.1 | [SUSE-SU-2025:4521-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4521-1.md) | Dec 24, 2025 |
| Linux | kernel-source opensuse-leap 15.6 | 6.4.0-150600.23.81.2 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-source sles 15.6 | 6.4.0-150600.23.81.2 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-source sles 15.7 | 6.4.0-150700.53.25.1 | [SUSE-SU-2025:4393-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4393-1.md) | Dec 15, 2025 |
| Linux | kernel-source-azure opensuse-leap 15.6 | 6.4.0-150600.8.58.1 | [SUSE-SU-2025:4505-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4505-1.md) | Dec 22, 2025 |
| Linux | kernel-source-azure sles 15.6 | 6.4.0-150600.8.58.1 | [SUSE-SU-2025:4505-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4505-1.md) | Dec 22, 2025 |
| Linux | kernel-source-azure sles 15.7 | 6.4.0-150700.20.21.1 | [SUSE-SU-2025:4517-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4517-1.md) | Dec 23, 2025 |
| Linux | kernel-source-rt opensuse-leap 15.6 | 6.4.0-150600.10.61.1 | [SUSE-SU-2025:4521-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4521-1.md) | Dec 24, 2025 |
| Linux | kernel-syms opensuse-leap 15.6 | 6.4.0-150600.23.81.1 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-syms sles 15.6 | 6.4.0-150600.23.81.1 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-syms sles 15.7 | 6.4.0-150700.53.25.1 | [SUSE-SU-2025:4393-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4393-1.md) | Dec 15, 2025 |
| Linux | kernel-syms-azure opensuse-leap 15.6 | 6.4.0-150600.8.58.1 | [SUSE-SU-2025:4505-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4505-1.md) | Dec 22, 2025 |
| Linux | kernel-syms-azure sles 15.6 | 6.4.0-150600.8.58.1 | [SUSE-SU-2025:4505-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4505-1.md) | Dec 22, 2025 |
| Linux | kernel-syms-azure sles 15.7 | 6.4.0-150700.20.21.1 | [SUSE-SU-2025:4517-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4517-1.md) | Dec 23, 2025 |
| Linux | kernel-syms-rt opensuse-leap 15.6 | 6.4.0-150600.10.61.1 | [SUSE-SU-2025:4521-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4521-1.md) | Dec 24, 2025 |
| Linux | kernel-tools amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | kernel-zfcpdump opensuse-leap 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-zfcpdump sles 15.6 | 6.4.0-150600.23.81.3 | [SUSE-SU-2025:4422-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4422-1.md) | Dec 17, 2025 |
| Linux | kernel-zfcpdump sles 15.7 | 6.4.0-150700.53.25.1 | [SUSE-SU-2025:4393-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-4393-1.md) | Dec 15, 2025 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.55-1 | [DEBIAN-CVE-2023-53676](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53676.md) | Oct 7, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.5.6-1 | [DEBIAN-CVE-2023-53676](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53676.md) | Oct 7, 2025 |
| Linux | linux Debian 14 | 6.5.6-1 | [DEBIAN-CVE-2023-53676](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53676.md) | Oct 7, 2025 |
| Linux | perf amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | perf-debuginfo amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | python3-perf amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.55-75.123.amzn2023 | [ALAS2023-2023-356](https://patchblox.com/security/data/fix/linux/alas2023-2023-356.md) | Sep 27, 2023 |

---

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