# CVE-2023-54186: linux: In the Linux kernel, the following vulnerability has been resolved:  usb: typec: altmodes/displayport: fix pin_assign...

CVE-2023-54186 is fixed in 63 products on 1 platform, first by RHSA-2024:2394, released April 30, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-54186
- Priority: High
- CVSS: 8.0 (high)
- EPSS: 0.0015
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 30, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  usb: typec: altmodes/displayport: fix pin_assignment_show  This patch fixes negative indexing of buf array in pin_assignment_show when get_current_pin_assignments returns 0 i.e. no compatible pin assignments are found.  BUG: KASAN: use-after-free in pin_assignment_show+0x26c/0x33c ... Call trace: dump_backtrace+0x110/0x204 dump_stack_lvl+0x84/0xbc print_report+0x358/0x974 kasan_report+0x9c/0xfc __do_kernel_fault+0xd4/0x2d4 do_bad_area+0x48/0x168 do_tag_check_fault+0x24/0x38 do_mem_abort+0x6c/0x14c el1_abort+0x44/0x68 el1h_64_sync_handler+0x64/0xa4 el1h_64_sync+0x78/0x7c pin_assignment_show+0x26c/0x33c dev_attr_show+0x50/0xc0

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | bpftool RHEL 9 | 0:7.3.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel rocky 8 | 0:4.18.0-553.123.1.el8_10.cloud.0.1 | [RXSA-2024:3138](https://patchblox.com/security/data/fix/linux/rxsa-2024-3138.md) | May 29, 2026 |
| Linux | kernel-64k RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-debug RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-debug-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-debug-devel RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-debug-devel-matched RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-debug-modules RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-debug-modules-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-debug-modules-extra RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-devel RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-devel-matched RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-modules RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-modules-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-64k-modules-extra RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-abi-stablelists RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-abi-stablelists RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-core RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-debug RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-debug RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-debug-core RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-debug-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-debug-devel RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-debug-devel RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-debug-devel-matched RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-debug-modules RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-debug-modules RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-debug-modules-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-debug-modules-extra RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-debug-modules-extra RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-debug-uki-virt RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-devel RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-devel RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-devel-matched RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-doc RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-doc RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-modules RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-modules RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-modules-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-modules-extra RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-modules-extra RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-debug RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-debug-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-debug-devel RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-debug-kvm RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-debug-modules RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-debug-modules-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-debug-modules-extra RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-devel RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-kvm RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-modules RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-modules-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-rt-modules-extra RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-tools RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-tools RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-tools-libs RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-tools-libs RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-tools-libs-devel RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-tools-libs-devel RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-uki-virt RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-zfcpdump RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-zfcpdump RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-zfcpdump-core RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-zfcpdump-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-zfcpdump-devel RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-zfcpdump-devel RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-zfcpdump-devel-matched RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-zfcpdump-modules RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-zfcpdump-modules RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-zfcpdump-modules-core RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | kernel-zfcpdump-modules-extra RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | kernel-zfcpdump-modules-extra RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | libperf RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.37-1 | [DEBIAN-CVE-2023-54186](https://patchblox.com/security/data/fix/linux/debian-cve-2023-54186.md) | Dec 30, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.3.7-1 | [DEBIAN-CVE-2023-54186](https://patchblox.com/security/data/fix/linux/debian-cve-2023-54186.md) | Dec 30, 2025 |
| Linux | linux Debian 14 | 6.3.7-1 | [DEBIAN-CVE-2023-54186](https://patchblox.com/security/data/fix/linux/debian-cve-2023-54186.md) | Dec 30, 2025 |
| Linux | perf RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | perf RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | python3-perf RHEL 8 | 0:4.18.0-553.el8_10 | [RHSA-2024:3138](https://patchblox.com/security/data/fix/linux/rhsa-2024-3138.md) | May 22, 2024 |
| Linux | python3-perf RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | rtla RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |
| Linux | rv RHEL 9 | 0:5.14.0-427.13.1.el9_4 | [RHSA-2024:2394](https://patchblox.com/security/data/fix/linux/rhsa-2024-2394.md) | Apr 30, 2024 |

---

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