High severity7.8NVD Advisory· Published May 28, 2026· Updated Jul 15, 2026
CVE-2026-46145
CVE-2026-46145
Description
In the Linux kernel, the following vulnerability has been resolved:
RDMA/mana: Validate rx_hash_key_len
Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
95- osv-coords91 versionspkg:linux/kernelpkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-64kpkg:rpm/almalinux/kernel-64k-corepkg:rpm/almalinux/kernel-64k-debugpkg:rpm/almalinux/kernel-64k-debug-corepkg:rpm/almalinux/kernel-64k-debug-develpkg:rpm/almalinux/kernel-64k-debug-devel-matchedpkg:rpm/almalinux/kernel-64k-debug-modulespkg:rpm/almalinux/kernel-64k-debug-modules-corepkg:rpm/almalinux/kernel-64k-debug-modules-extrapkg:rpm/almalinux/kernel-64k-develpkg:rpm/almalinux/kernel-64k-devel-matchedpkg:rpm/almalinux/kernel-64k-modulespkg:rpm/almalinux/kernel-64k-modules-corepkg:rpm/almalinux/kernel-64k-modules-extrapkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-debug-devel-matchedpkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-corepkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-debug-uki-virtpkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-devel-matchedpkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-corepkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-modules-extra-matchedpkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-64kpkg:rpm/almalinux/kernel-rt-64k-corepkg:rpm/almalinux/kernel-rt-64k-debugpkg:rpm/almalinux/kernel-rt-64k-debug-corepkg:rpm/almalinux/kernel-rt-64k-debug-develpkg:rpm/almalinux/kernel-rt-64k-debug-modulespkg:rpm/almalinux/kernel-rt-64k-debug-modules-corepkg:rpm/almalinux/kernel-rt-64k-debug-modules-extrapkg:rpm/almalinux/kernel-rt-64k-develpkg:rpm/almalinux/kernel-rt-64k-modulespkg:rpm/almalinux/kernel-rt-64k-modules-corepkg:rpm/almalinux/kernel-rt-64k-modules-extrapkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/almalinux/kernel-rt-debug-modules-corepkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-rt-modules-corepkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-uki-virtpkg:rpm/almalinux/kernel-uki-virt-addonspkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-zfcpdump-devel-matchedpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-zfcpdump-modules-corepkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/libperfpkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perfpkg:rpm/almalinux/rtlapkg:rpm/almalinux/rvpkg: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&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&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-source&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0
>= 6.2.0, < 6.6.141+ 90 more
- (no CPE)range: >= 6.2.0, < 6.6.141
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 6.12.0-211.28.1.el10_2
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.rt7.477.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 4.18.0-553.136.1.el8_10
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 5.14.0-687.17.1.el9_8
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1.160000.2.19
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 7.0.11-1.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
Patches
Vulnerability mechanics
References
12- git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838nvdPatch
- git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287nvdPatch
- git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425nvdPatch
- git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72nvdPatch
- git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513fnvdPatch
- access.redhat.com/errata/RHSA-2026:27353nvd
- access.redhat.com/errata/RHSA-2026:27354nvd
- access.redhat.com/errata/RHSA-2026:27789nvd
- access.redhat.com/errata/RHSA-2026:30129nvd
- access.redhat.com/security/cve/CVE-2026-46145nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46145.jsonnvd
News mentions
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