High severity7.8NVD Advisory· Published Oct 1, 2025· Updated Aug 4, 2026
CVE-2023-53504
CVE-2023-53504
Description
In the Linux kernel, the following vulnerability has been resolved:
RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF
ib_dealloc_device() should be called only after device cleanup. Fix the dealloc sequence.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
83- osv-coords75 versionspkg:linux/kernelpkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Linux%20Micro%206.1pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_6&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-livepatch-SLE15-SP6_Update_16&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP6pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6pkg:rpm/opensuse/kernel-syms-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-livepatch-SLE15-SP6-RT_Update_16&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP6pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-rt_debug&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP6pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-rt_debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-syms-rt&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-debug&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/kernel-source-azure&distro=openSUSE%20Leap%2015.6pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP6pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2015.6
>= 6.3.0, < 6.4.11+ 74 more
- (no CPE)range: >= 6.3.0, < 6.4.11
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.20.18.1
- (no CPE)range: < 6.4.0-35.1
- (no CPE)range: < 6.4.0-35.1.21.12
- (no CPE)range: < 6.4.0-35.1
- (no CPE)range: < 6.4.0-35.1
- (no CPE)range: < 6.4.0-35.1
- (no CPE)range: < 6.4.0-35.1.21.12
- (no CPE)range: < 6.4.0-35.1
- (no CPE)range: < 6.4.0-35.1
- (no CPE)range: < 6.4.0-37.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-37.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.10.55.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-37.1
- (no CPE)range: < 6.4.0-37.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 1-150700.1.3.1
- (no CPE)range: < 6.4.0-150700.7.22.1
- (no CPE)range: < 6.4.0-150700.7.22.1
- (no CPE)range: < 6.4.0-150700.7.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1.150700.17.15.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.20.18.1
- (no CPE)range: < 6.4.0-150700.20.18.1
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150700.53.22.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1.150600.12.32.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 1-150600.13.3.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1.150600.12.32.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.10.55.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 1-150600.1.3.1
- (no CPE)range: < 6.4.0-150600.10.55.1
- (no CPE)range: < 6.4.0-150600.10.55.1
- (no CPE)range: < 6.4.0-150600.10.55.1
- (no CPE)range: < 6.4.0-150600.10.55.1
- (no CPE)range: < 6.4.0-150600.10.55.1
- (no CPE)range: < 6.4.0-150600.10.55.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.8.52.1
- (no CPE)range: < 6.4.0-150600.23.73.1
- (no CPE)range: < 6.4.0-150600.8.52.1
(expand)+ 7 more
- (no CPE)
- (no CPE)range: 6.3
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.3,<6.4.11
- cpe:2.3:o:linux:linux_kernel:6.5:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.5:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.5:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.5:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.5:rc5:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2News mentions
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