High severity8.8NVD Advisory· Published May 28, 2026· Updated Jul 29, 2026
CVE-2026-46152
CVE-2026-46152
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: drop stray 'static' from fast-RX rx_result
ieee80211_invoke_fast_rx() is documented as safe for parallel RX, but its per-invocation rx_result is declared static. Concurrent callers then share one instance and can overwrite each other's result between ieee80211_rx_mesh_data() and the switch on res.
That can make a packet that was queued or consumed by ieee80211_rx_mesh_data() fall through into ieee80211_rx_8023(), or make a packet that should continue return as queued.
Make res an automatic variable so each invocation keeps its own result.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
95- osv-coords91 versionspkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-64kpkg:rpm/almalinux/kernel-64k-corepkg:rpm/almalinux/kernel-devel-matchedpkg:rpm/almalinux/kernel-rt-64k-debug-develpkg:rpm/almalinux/kernel-rt-64k-modules-corepkg:rpm/almalinux/kernel-rt-debug-modules-corepkg:rpm/almalinux/rvpkg:linux/kernelpkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/almalinux/kernel-rt-modules-corepkg:rpm/almalinux/kernel-zfcpdump-modules-corepkg:rpm/almalinux/kernel-64k-debug-modules-corepkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perfpkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-64k-debugpkg:rpm/almalinux/kernel-64k-debug-modules-extrapkg:rpm/almalinux/kernel-debug-uki-virtpkg:rpm/almalinux/kernel-modules-corepkg:rpm/almalinux/kernel-rt-64k-debug-corepkg:rpm/almalinux/kernel-rt-64k-debug-modules-corepkg:rpm/almalinux/kernel-rt-64k-debug-modules-extrapkg:rpm/almalinux/kernel-rt-64k-modules-extrapkg:rpm/almalinux/kernel-uki-virt-addonspkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0pkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-64k-develpkg:rpm/almalinux/kernel-64k-modulespkg:rpm/almalinux/kernel-uki-virtpkg:rpm/almalinux/kernel-zfcpdump-devel-matchedpkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/almalinux/kernel-64k-debug-corepkg:rpm/almalinux/kernel-64k-devel-matchedpkg:rpm/almalinux/kernel-64k-modules-corepkg:rpm/almalinux/kernel-64k-modules-extrapkg:rpm/almalinux/kernel-debug-devel-matchedpkg:rpm/almalinux/kernel-debug-modules-corepkg:rpm/almalinux/kernel-modules-extra-matchedpkg:rpm/almalinux/kernel-rt-64k-debug-modulespkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-64k-debug-devel-matchedpkg:rpm/almalinux/kernel-64k-debug-modulespkg:rpm/almalinux/kernel-rt-64kpkg:rpm/almalinux/kernel-rt-64k-corepkg:rpm/almalinux/kernel-rt-64k-debugpkg:rpm/almalinux/kernel-rt-64k-develpkg:rpm/almalinux/kernel-rt-64k-modulespkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-64k-debug-develpkg:rpm/almalinux/libperfpkg:rpm/almalinux/rtlapkg: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-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0
< 4.18.0-553.134.1.el8_10+ 90 more
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- (no CPE)range: >= 6.4.0, < 6.6.140
- (no CPE)range: < 7.0.11-1.1
- (no CPE)range: < 6.12.0-160000.37.1
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- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
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- (no CPE)range: < 4.18.0-553.134.1.rt7.475.el8_10
- (no CPE)range: < 6.12.0-211.26.1.el10_2
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- (no CPE)range: < 6.12.0-160000.37.1
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- (no CPE)range: < 4.18.0-553.134.1.el8_10
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- (no CPE)range: < 4.18.0-553.134.1.el8_10
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- (no CPE)range: < 4.18.0-553.134.1.el8_10
- (no CPE)range: < 4.18.0-553.134.1.rt7.475.el8_10
- (no CPE)range: < 4.18.0-553.134.1.rt7.475.el8_10
- (no CPE)range: < 6.12.0-211.26.1.el10_2
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- (no CPE)range: < 6.12.0-211.26.1.el10_2
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- (no CPE)range: < 6.12.0-211.26.1.el10_2
- (no CPE)range: < 4.18.0-553.134.1.el8_10
- (no CPE)range: < 4.18.0-553.134.1.el8_10
- (no CPE)range: < 4.18.0-553.134.1.el8_10
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- (no CPE)range: < 4.18.0-553.134.1.el8_10
- (no CPE)range: < 4.18.0-553.134.1.el8_10
- (no CPE)range: < 4.18.0-553.134.1.rt7.475.el8_10
- (no CPE)range: < 4.18.0-553.134.1.rt7.475.el8_10
- (no CPE)range: < 6.12.0-211.26.1.el10_2
- (no CPE)range: < 6.12.0-211.26.1.el10_2
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- (no CPE)range: < 4.18.0-553.134.1.el8_10
- (no CPE)range: < 4.18.0-553.134.1.el8_10
- (no CPE)range: < 4.18.0-553.134.1.rt7.475.el8_10
- (no CPE)range: < 6.12.0-211.26.1.el10_2
- (no CPE)range: < 6.12.0-211.26.1.el10_2
- (no CPE)range: < 6.12.0-211.26.1.el10_2
- (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
Patches
Vulnerability mechanics
References
15- git.kernel.org/stable/c/03584528bfffb195e384698af9148b94e42e3f14nvdPatch
- git.kernel.org/stable/c/1739fc31b4de06c5c78ce0741182770fb079091envdPatch
- git.kernel.org/stable/c/3ef44f96ccc3e06e059dec57842e366f0c4b1893nvdPatch
- git.kernel.org/stable/c/7a5b81e0c87a075afd572f659d8eb68c9c4cd2banvdPatch
- git.kernel.org/stable/c/e131562d6f2b958148c35c98831b007f47f0e3d3nvdPatch
- access.redhat.com/errata/RHSA-2026:26427nvd
- access.redhat.com/errata/RHSA-2026:26428nvd
- access.redhat.com/errata/RHSA-2026:27288nvd
- access.redhat.com/errata/RHSA-2026:27789nvd
- access.redhat.com/errata/RHSA-2026:36767nvd
- access.redhat.com/errata/RHSA-2026:38902nvd
- access.redhat.com/errata/RHSA-2026:44694nvd
- access.redhat.com/security/cve/CVE-2026-46152nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46152.jsonnvd
News mentions
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