# CVE-2024-50136: linux: In the Linux kernel, the following vulnerability has been resolved:  net/mlx5: Unregister notifier on eswitch init fa...

CVE-2024-50136 is fixed in 47 products on 1 platform, first by DEBIAN-CVE-2024-50136, released November 5, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-50136
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0022
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 5, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  net/mlx5: Unregister notifier on eswitch init failure  It otherwise remains registered and a subsequent attempt at eswitch enabling might trigger warnings of the sort:  [  682.589148] ------------[ cut here ]------------ [  682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered [  682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...snipped] [  682.610052] Call Trace: [  682.610369]  <TASK> [  682.610663]  ? __warn+0x7c/0x110 [  682.611050]  ? notifier_chain_register+0x3e/0x90 [  682.611556]  ? report_bug+0x148/0x170 [  682.611977]  ? handle_bug+0x36/0x70 [  682.612384]  ? exc_invalid_op+0x13/0x60 [  682.612817]  ? asm_exc_invalid_op+0x16/0x20 [  682.613284]  ? notifier_chain_register+0x3e/0x90 [  682.613789]  atomic_notifier_chain_register+0x25/0x40 [  682.614322]  mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [  682.614965]  mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [  682.615551]  mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [  682.616170]  mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [  682.616789]  sriov_numvfs_store+0xb0/0x1b0 [  682.617248]  kernfs_fop_write_iter+0x117/0x1a0 [  682.617734]  vfs_write+0x231/0x3f0 [  682.618138]  ksys_write+0x63/0xe0 [  682.618536]  do_syscall_64+0x4c/0x100 [  682.618958]  entry_SYSCALL_64_after_hwframe+0x4b/0x53

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bpftool amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | bpftool-debuginfo amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | dtb-aarch64 opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-64kb opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-64kb sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-azure opensuse-leap 15.6 | 6.4.0-150600.8.20.1 | [SUSE-SU-2024:4316-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4316-1.md) | Dec 13, 2024 |
| Linux | kernel-azure sles 15.6 | 6.4.0-150600.8.20.1 | [SUSE-SU-2024:4316-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4316-1.md) | Dec 13, 2024 |
| Linux | kernel-coco sles 15.6 | 6.4.0-15061.9.coco15sp6.1 | [SUSE-SU-2024:4387-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4387-1.md) | Dec 19, 2024 |
| Linux | kernel-coco_debug sles 15.6 | 6.4.0-15061.9.coco15sp6.1 | [SUSE-SU-2024:4387-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4387-1.md) | Dec 19, 2024 |
| Linux | kernel-debug opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-debuginfo amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-debuginfo-common-aarch64 amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-debuginfo-common-x86_64 amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-default opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-default sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-default-base opensuse-leap 15.6 | 6.4.0-150600.23.30.1.150600.12.12.6 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-default-base sles 15.6 | 6.4.0-150600.23.30.1.150600.12.12.6 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-devel amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-docs opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-docs sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-headers amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-kvmsmall opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-libbpf amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-libbpf-devel amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-libbpf-static amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-livepatch-6.1.115-126.197 amzn 2023 | 1.0-0.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-livepatch-SLE15-SP6-RT_Update_6 sles 15.6 | 1-150600.1.3.1 | [SUSE-SU-2024:4314-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4314-1.md) | Dec 13, 2024 |
| Linux | kernel-livepatch-SLE15-SP6_Update_6 sles 15.6 | 1-150600.13.3.5 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-modules-extra amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-modules-extra-common amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-obs-build opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-obs-build sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-obs-qa opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-rt opensuse-leap 15.6 | 6.4.0-150600.10.20.1 | [SUSE-SU-2024:4314-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4314-1.md) | Dec 13, 2024 |
| Linux | kernel-rt_debug opensuse-leap 15.6 | 6.4.0-150600.10.20.1 | [SUSE-SU-2024:4314-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4314-1.md) | Dec 13, 2024 |
| Linux | kernel-source opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-source sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-source-azure opensuse-leap 15.6 | 6.4.0-150600.8.20.1 | [SUSE-SU-2024:4316-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4316-1.md) | Dec 13, 2024 |
| Linux | kernel-source-azure sles 15.6 | 6.4.0-150600.8.20.1 | [SUSE-SU-2024:4316-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4316-1.md) | Dec 13, 2024 |
| Linux | kernel-source-coco sles 15.6 | 6.4.0-15061.9.coco15sp6.1 | [SUSE-SU-2024:4387-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4387-1.md) | Dec 19, 2024 |
| Linux | kernel-source-rt opensuse-leap 15.6 | 6.4.0-150600.10.20.1 | [SUSE-SU-2024:4314-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4314-1.md) | Dec 13, 2024 |
| Linux | kernel-syms opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-syms sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-syms-azure opensuse-leap 15.6 | 6.4.0-150600.8.20.1 | [SUSE-SU-2024:4316-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4316-1.md) | Dec 13, 2024 |
| Linux | kernel-syms-azure sles 15.6 | 6.4.0-150600.8.20.1 | [SUSE-SU-2024:4316-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4316-1.md) | Dec 13, 2024 |
| Linux | kernel-syms-coco sles 15.6 | 6.4.0-15061.9.coco15sp6.1 | [SUSE-SU-2024:4387-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4387-1.md) | Dec 19, 2024 |
| Linux | kernel-syms-rt opensuse-leap 15.6 | 6.4.0-150600.10.20.1 | [SUSE-SU-2024:4314-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4314-1.md) | Dec 13, 2024 |
| Linux | kernel-tools amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-tools-debuginfo amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-tools-devel amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | kernel-zfcpdump opensuse-leap 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | kernel-zfcpdump sles 15.6 | 6.4.0-150600.23.30.1 | [SUSE-SU-2024:4318-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-4318-1.md) | Dec 13, 2024 |
| Linux | linux Debian 12.15 (bookworm) | 6.1.115-1 | [DEBIAN-CVE-2024-50136](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50136.md) | Nov 5, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.11.6-1 | [DEBIAN-CVE-2024-50136](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50136.md) | Nov 5, 2024 |
| Linux | linux Debian 14 | 6.11.6-1 | [DEBIAN-CVE-2024-50136](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50136.md) | Nov 5, 2024 |
| Linux | perf amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | perf-debuginfo amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | python3-perf amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |
| Linux | python3-perf-debuginfo amzn 2023 | 6.1.115-126.197.amzn2023 | [ALAS2023-2025-794](https://patchblox.com/security/data/fix/linux/alas2023-2025-794.md) | Jan 6, 2025 |

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