Unrated severityNVD Advisory· Published Jan 23, 2026· Updated Feb 9, 2026
RDMA/core: always drop device refcount in ib_del_sub_device_and_put()
CVE-2025-71157
Description
In the Linux kernel, the following vulnerability has been resolved:
RDMA/core: always drop device refcount in ib_del_sub_device_and_put()
Since nldev_deldev() (introduced by commit 060c642b2ab8 ("RDMA/nldev: Add support to add/delete a sub IB device through netlink") grabs a reference using ib_device_get_by_index() before calling ib_del_sub_device_and_put(), we need to drop that reference before returning -EOPNOTSUPP error.
Affected products
62- osv-coords60 versionspkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Legacy%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-livepatch-SLE15-SP7-RT_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-livepatch-SLE15-SP7_Update_9&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP7pkg:rpm/suse/kernel-obs-build&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-source-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-source-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-syms-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-syms-rt&distro=SUSE%20Real%20Time%20Module%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 6.12.0-160000.26.1+ 59 more
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.20.27.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1.150700.17.21.1
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 1-150700.1.3.2
- (no CPE)range: < 1-150700.15.3.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.7.31.2
- (no CPE)range: < 6.4.0-150700.20.27.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.7.31.1
- (no CPE)range: < 6.4.0-150700.20.27.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.4.0-150700.7.31.1
- (no CPE)range: < 6.4.0-150700.53.31.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
Patches
Vulnerability mechanics
References
3News mentions
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