# CVE-2024-35999: smb3: missing lock when picking channel

CVE-2024-35999 is fixed in 43 products on 1 platform, first by DEBIAN-CVE-2024-35999, released May 20, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-35999
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0038
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 20, 2024
- Weakness: Improper Locking
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-35999

## Description

In the Linux kernel, the following vulnerability has been resolved:  smb3: missing lock when picking channel  Coverity spotted a place where we should have been holding the channel lock when accessing the ses channel index.  Addresses-Coverity: 1582039 ("Data race condition (MISSING_LOCK)")

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | dtb-aarch64 opensuse-leap 15.6 | 6.4.0-150600.23.7.1 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-64kb opensuse-leap 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-64kb sles 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-azure opensuse-leap 15.6 | 6.4.0-150600.8.5.4 | [SUSE-SU-2024:2135-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2135-1.md) | Jun 21, 2024 |
| Linux | kernel-azure sles 15.6 | 6.4.0-150600.8.5.4 | [SUSE-SU-2024:2135-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2135-1.md) | Jun 21, 2024 |
| Linux | kernel-debug opensuse-leap 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-default opensuse-leap 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-default sles 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-default-base opensuse-leap 15.6 | 6.4.0-150600.23.7.3.150600.12.2.7 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-default-base sles 15.6 | 6.4.0-150600.23.7.3.150600.12.2.7 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-devel amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-docs opensuse-leap 15.6 | 6.4.0-150600.23.7.4 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-docs sles 15.6 | 6.4.0-150600.23.7.4 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-headers amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-kvmsmall opensuse-leap 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-libbpf amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-livepatch-6.1.91-99.172 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-livepatch-SLE15-SP6-RT_Update_1 sles 15.6 | 1-150600.1.5.1 | [SUSE-SU-2024:2973-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2973-1.md) | Aug 20, 2024 |
| Linux | kernel-livepatch-SLE15-SP6_Update_1 sles 15.6 | 1-150600.13.3.7 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-modules-extra amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-modules-extra-common amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-obs-build opensuse-leap 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-obs-build sles 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-obs-qa opensuse-leap 15.6 | 6.4.0-150600.23.7.1 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-rt opensuse-leap 15.6 | 6.4.0-150600.10.5.1 | [SUSE-SU-2024:2973-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2973-1.md) | Aug 20, 2024 |
| Linux | kernel-rt_debug opensuse-leap 15.6 | 6.4.0-150600.10.5.1 | [SUSE-SU-2024:2973-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2973-1.md) | Aug 20, 2024 |
| Linux | kernel-source opensuse-leap 15.6 | 6.4.0-150600.23.7.2 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-source sles 15.6 | 6.4.0-150600.23.7.2 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-source-azure opensuse-leap 15.6 | 6.4.0-150600.8.5.4 | [SUSE-SU-2024:2135-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2135-1.md) | Jun 21, 2024 |
| Linux | kernel-source-azure sles 15.6 | 6.4.0-150600.8.5.4 | [SUSE-SU-2024:2135-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2135-1.md) | Jun 21, 2024 |
| Linux | kernel-source-rt opensuse-leap 15.6 | 6.4.0-150600.10.5.1 | [SUSE-SU-2024:2973-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2973-1.md) | Aug 20, 2024 |
| Linux | kernel-syms opensuse-leap 15.6 | 6.4.0-150600.23.7.1 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-syms sles 15.6 | 6.4.0-150600.23.7.1 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-syms-azure opensuse-leap 15.6 | 6.4.0-150600.8.5.1 | [SUSE-SU-2024:2135-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2135-1.md) | Jun 21, 2024 |
| Linux | kernel-syms-azure sles 15.6 | 6.4.0-150600.8.5.1 | [SUSE-SU-2024:2135-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2135-1.md) | Jun 21, 2024 |
| Linux | kernel-syms-rt opensuse-leap 15.6 | 6.4.0-150600.10.5.1 | [SUSE-SU-2024:2973-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2973-1.md) | Aug 20, 2024 |
| Linux | kernel-tools amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | kernel-zfcpdump opensuse-leap 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | kernel-zfcpdump sles 15.6 | 6.4.0-150600.23.7.3 | [SUSE-SU-2024:2203-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-2203-1.md) | Jun 25, 2024 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.94-1 | [DEBIAN-CVE-2024-35999](https://patchblox.com/security/data/fix/linux/debian-cve-2024-35999.md) | May 20, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.8.9-1 | [DEBIAN-CVE-2024-35999](https://patchblox.com/security/data/fix/linux/debian-cve-2024-35999.md) | May 20, 2024 |
| Linux | linux Debian 14 | 6.8.9-1 | [DEBIAN-CVE-2024-35999](https://patchblox.com/security/data/fix/linux/debian-cve-2024-35999.md) | May 20, 2024 |
| Linux | perf amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | perf-debuginfo amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | python3-perf amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.91-99.172.amzn2023 | [ALAS2023-2024-643](https://patchblox.com/security/data/fix/linux/alas2023-2024-643.md) | Jun 19, 2024 |

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