Critical severity9.1NVD Advisory· Published May 28, 2026· Updated Jun 17, 2026
CVE-2026-46185
CVE-2026-46185
Description
In the Linux kernel, the following vulnerability has been resolved:
smb/client: fix out-of-bounds read in symlink_data()
Since smb2_check_message() returns success without length validation for the symlink error response, in symlink_data() it is possible for iov->iov_len to be smaller than sizeof(struct smb2_err_rsp). If the buffer only contains the base SMB2 header (64 bytes), accessing err->ErrorContextCount (at offset 66) or err->ByteCount later in symlink_data() will cause an out-of-bounds read.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
95- osv-coords90 versionspkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/almalinux/kernel-devel-matchedpkg: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-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-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-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-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/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-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg: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-zfcpdump&distro=openSUSE%20Leap%2016.0
>= 6.1.0, < 6.1.175+ 89 more
- (no CPE)range: >= 6.1.0, < 6.1.175
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-211.49.1.el10_2
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 7.0.11-1.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1
- (no CPE)range: < 6.12.0-160000.36.1.160000.2.17
- (no CPE)range: < 6.12.0-160000.36.1
Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/15dc0a4de743a1aaa7b859b3aea79f08c695396cnvdPatch
- git.kernel.org/stable/c/2be11faf79e49fb8250a181ff0b4d2b2f084af83nvdPatch
- git.kernel.org/stable/c/b8c8a704f0bc133deb171f6aeb6f3a684203e212nvdPatch
- git.kernel.org/stable/c/b9561402489d41149f63e001a74384863b7b30a6nvdPatch
- git.kernel.org/stable/c/d62b8d236fab503c6fec1d3e9a38bea71feaca20nvdPatch
- git.kernel.org/stable/c/ef6495d4df6e7af8f3de67e65150881c880f696cnvdPatch
News mentions
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