Unrated severityNVD Advisory· Published Oct 22, 2025· Updated Apr 15, 2026
CVE-2023-53715
CVE-2023-53715
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: brcmfmac: cfg80211: Pass the PMK in binary instead of hex
Apparently the hex passphrase mechanism does not work on newer chips/firmware (e.g. BCM4387). It seems there was a simple way of passing it in binary all along, so use that and avoid the hexification.
OpenBSD has been doing it like this from the beginning, so this should work on all chips.
Also clear the structure before setting the PMK. This was leaking uninitialized stack contents to the device.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
92- osv-coords92 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-base&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/kernel-default-base&distro=SUSE%20Manager%20Server%20LTS%204.3pkg: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-default&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/kernel-default&distro=SUSE%20Manager%20Server%20LTS%204.3pkg: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_46&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4pkg:rpm/suse/kernel-livepatch-SLE15-SP5_Update_32&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&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/kernel-source&distro=SUSE%20Manager%20Server%20LTS%204.3pkg: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-syms&distro=SUSE%20Manager%20Proxy%20LTS%204.3pkg:rpm/suse/kernel-syms&distro=SUSE%20Manager%20Server%20LTS%204.3pkg: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/kernel-zfcpdump&distro=SUSE%20Manager%20Server%20LTS%204.3pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_74&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5
>= 4.13.0, < 4.14.316+ 91 more
- (no CPE)range: >= 4.13.0, < 4.14.316
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150500.55.127.1.150500.6.61.1
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150400.24.184.1.150400.24.94.2
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 1-150400.9.5.1
- (no CPE)range: < 1-150500.11.3.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.15.136.1
- (no CPE)range: < 5.14.21-150400.15.136.1
- (no CPE)range: < 5.14.21-150500.13.112.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.15.136.1
- (no CPE)range: < 5.14.21-150400.15.136.1
- (no CPE)range: < 5.14.21-150500.13.112.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 4.12.14-122.280.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 5.14.21-150500.55.127.1
- (no CPE)range: < 5.14.21-150400.24.184.1
- (no CPE)range: < 1-8.5.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/1687845eb8f37360a9ee849a3587ab659b090773nvd
- git.kernel.org/stable/c/2bc34facb90ceeff6f8c17d2006575a6d07c3825nvd
- git.kernel.org/stable/c/2fa3a5226b05e0a797c68b9609dcebe0cd236b27nvd
- git.kernel.org/stable/c/4e8dc0e5c7636efaadbd7e488acd34b4291c0431nvd
- git.kernel.org/stable/c/56c7e9c39bd54fd753c0c4b1ed10278cbd3a5f02nvd
- git.kernel.org/stable/c/89b89e52153fda2733562776c7c9d9d3ebf8dd6dnvd
- git.kernel.org/stable/c/e242c66f7ecfe8f5b6eb308f4ea464fd8589c866nvd
- git.kernel.org/stable/c/f8a6c53ff1d91acd5a20eb627edbffd816eb9a4envd
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