mlxsw: spectrum_acl_tcam: Fix incorrect list API usage

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Summary

CVECVE-2024-36006
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-20 10:15:14 UTC
Updated2026-05-12 12:16:47 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum_acl_tcam: Fix incorrect list API usage Both the function that migrates all the chunks within a region and the function that migrates all the entries within a chunk call list_first_entry() on the respective lists without checking that the lists are not empty. This is incorrect usage of the API, which leads to the following warning [1]. Fix by returning if the lists are empty as there is nothing to migrate in this case. [1] WARNING: CPU: 0 PID: 6437 at drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c:1266 mlxsw_sp_acl_tcam_vchunk_migrate_all+0x1f1/0> Modules linked in: CPU: 0 PID: 6437 Comm: kworker/0:37 Not tainted 6.9.0-rc3-custom-00883-g94a65f079ef6 #39 Hardware name: Mellanox Technologies Ltd. MSN3700/VMOD0005, BIOS 5.11 01/06/2019 Workqueue: mlxsw_core mlxsw_sp_acl_tcam_vregion_rehash_work RIP: 0010:mlxsw_sp_acl_tcam_vchunk_migrate_all+0x1f1/0x2c0 [...] Call Trace: <TASK> mlxsw_sp_acl_tcam_vregion_rehash_work+0x6c/0x4a0 process_one_work+0x151/0x370 worker_thread+0x2cb/0x3e0 kthread+0xd0/0x100 ret_from_fork+0x34/0x50 ret_from_fork_asm+0x1a/0x30 </TASK>

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 6f9579d4e3021b17b0a4cde6b04a6c94c9575cdf 0b2c13b670b168e324e1cf109e67056a20fd610a git Not specified
CNA Linux Linux affected 6f9579d4e3021b17b0a4cde6b04a6c94c9575cdf 09846c2309b150b8ce4e0ce96f058197598fc530 git Not specified
CNA Linux Linux affected 6f9579d4e3021b17b0a4cde6b04a6c94c9575cdf 64435b64e43d8ee60faa46c0cd04e323e8b2a7b0 git Not specified
CNA Linux Linux affected 6f9579d4e3021b17b0a4cde6b04a6c94c9575cdf 4526a56e02da3725db979358964df9cd9c567154 git Not specified
CNA Linux Linux affected 6f9579d4e3021b17b0a4cde6b04a6c94c9575cdf ab4ecfb627338e440ae11def004c524a00d93e40 git Not specified
CNA Linux Linux affected 6f9579d4e3021b17b0a4cde6b04a6c94c9575cdf af8b593c3dd9df82cb199be65863af004b09fd97 git Not specified
CNA Linux Linux affected 6f9579d4e3021b17b0a4cde6b04a6c94c9575cdf b377add0f0117409c418ddd6504bd682ebe0bf79 git Not specified
CNA Linux Linux affected 5.1 Not specified
CNA Linux Linux unaffected 5.1 semver Not specified
CNA Linux Linux unaffected 5.4.275 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.216 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.158 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.90 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.30 6.6.* semver Not specified
CNA Linux Linux unaffected 6.8.9 6.8.* semver Not specified
CNA Linux Linux unaffected 6.9 * original_commit_for_fix Not specified
ADP Siemens RUGGEDCOM RST2428P affected V3.1 custom Not specified
ADP Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 Family unaffected * custom Not specified
ADP Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 Family affected V3.1 custom Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/0b2c13b670b168e324e1cf109e67056a20fd610a af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00017.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
git.kernel.org/stable/c/4526a56e02da3725db979358964df9cd9c567154 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/b377add0f0117409c418ddd6504bd682ebe0bf79 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/09846c2309b150b8ce4e0ce96f058197598fc530 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-613116.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/ab4ecfb627338e440ae11def004c524a00d93e40 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/af8b593c3dd9df82cb199be65863af004b09fd97 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/64435b64e43d8ee60faa46c0cd04e323e8b2a7b0 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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