Critical severity9.4NVD Advisory· Published Oct 4, 2025· Updated Jul 30, 2026
CVE-2025-39933
CVE-2025-39933
Description
In the Linux kernel, the following vulnerability has been resolved:
smb: client: let recv_done verify data_offset, data_length and remaining_data_length
This is inspired by the related server fixes.
Affected products
91- osv-coords82 versionspkg:linux/kernelpkg:rpm/almalinux/kernel-modules-extra-matchedpkg:apk/chainguard/linux-aws-6.12pkg:apk/chainguard/linux-azure-6.12pkg:apk/chainguard/linux-gcp-6.12pkg:apk/chainguard/linux-qemu-6.12pkg:apk/chainguard/linux-vmware-6.12pkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perfpkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-64k-debug-modulespkg:rpm/almalinux/kernel-64k-modules-extrapkg:rpm/almalinux/kernel-debug-devel-matchedpkg:rpm/almalinux/kernel-debug-modules-corepkg:rpm/almalinux/kernel-debug-uki-virtpkg:rpm/almalinux/kernel-rt-debug-modules-corepkg:rpm/almalinux/kernel-rt-modules-corepkg:rpm/almalinux/kernel-uki-virtpkg:rpm/almalinux/kernel-uki-virt-addonspkg:rpm/almalinux/kernel-zfcpdump-devel-matchedpkg:rpm/almalinux/kernel-zfcpdump-modules-corepkg:rpm/almalinux/libperfpkg:rpm/almalinux/rtlapkg:rpm/almalinux/rvpkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg: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-docpkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-zfcpdump-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-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-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-devel-matchedpkg:rpm/almalinux/kernel-modules-corepkg: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-extra
>= 4.16.0, < 6.16.9+ 81 more
- (no CPE)range: >= 4.16.0, < 6.16.9
- (no CPE)range: < 6.12.0-124.35.1.el10_1
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: < 6.12.80-r0
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 4.18.0-553.94.1.rt7.435.el8_10
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
- (no CPE)range: < 5.14.0-611.24.1.el9_7
4.16+ 8 more
- (no CPE)range: 4.16
- (no CPE)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.16,<6.16.9
- cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
2News mentions
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