Unrated severityNVD Advisory· Published Dec 30, 2025· Updated Apr 15, 2026
CVE-2023-54186
CVE-2023-54186
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
84- osv-coords83 versionspkg:linux/kernelpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-livepatch-SLE15-SP4_Update_48&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_34&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP5pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.3pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.4pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Enterprise%20Micro%205.5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSSpkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSSpkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_76&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
>= 4.19.0, < 4.19.284+ 82 more
- (no CPE)range: >= 4.19.0, < 4.19.284
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1.150400.24.98.3
- (no CPE)range: < 5.14.21-150500.55.133.1.150500.6.65.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 4.12.14-122.290.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 4.12.14-122.290.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 4.12.14-122.290.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 1-150400.9.7.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150500.13.118.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 4.12.14-122.290.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 4.12.14-122.290.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150400.15.142.1
- (no CPE)range: < 5.14.21-150500.13.118.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 4.12.14-122.290.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 4.12.14-122.290.1
- (no CPE)range: < 5.14.21-150400.24.194.1
- (no CPE)range: < 5.14.21-150500.55.133.1
- (no CPE)range: < 1-8.7.1
Patches
Vulnerability mechanics
References
7- git.kernel.org/stable/c/08bd1be1c716fd50a7df48f82dcbc59a103082b5nvd
- git.kernel.org/stable/c/0e61a7432fcd4bca06f05b7f1c7d7cb461880fe2nvd
- git.kernel.org/stable/c/4f9c0a7c272626cb6716ffc7800e8c73260cdce6nvd
- git.kernel.org/stable/c/54ee23e4ab263a495ace1eed43d3883212ece17fnvd
- git.kernel.org/stable/c/d8f28269dd4bf9b55c3fb376ae31512730a96fcenvd
- git.kernel.org/stable/c/fc0e18f95c88435bd8a1ceb540243cd7fbcd9781nvd
- git.kernel.org/stable/c/ff466f77d0a56719979c4234abd412abd98eae8fnvd
News mentions
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