cve-2024-42142
Vulnerability from cvelistv5
Published
2024-07-30 07:46
Modified
2024-12-19 09:13
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: E-switch, Create ingress ACL when needed Currently, ingress acl is used for three features. It is created only when vport metadata match and prio tag are enabled. But active-backup lag mode also uses it. It is independent of vport metadata match and prio tag. And vport metadata match can be disabled using the following devlink command: # devlink dev param set pci/0000:08:00.0 name esw_port_metadata \ value false cmode runtime If ingress acl is not created, will hit panic when creating drop rule for active-backup lag mode. If always create it, there will be about 5% performance degradation. Fix it by creating ingress acl when needed. If esw_port_metadata is true, ingress acl exists, then create drop rule using existing ingress acl. If esw_port_metadata is false, create ingress acl and then create drop rule.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3e3551f8702978cd2221d2614ca6d6727e785324Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/83bc1a129f7fd0d7d05036ceb7ee69102624e320Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b20c2fb45470d0c7a603613c9cfa5d45720e17f2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bc3ff8d3c05044de57865ebbb78cca8f7da3e595Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3e3551f8702978cd2221d2614ca6d6727e785324Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/83bc1a129f7fd0d7d05036ceb7ee69102624e320Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b20c2fb45470d0c7a603613c9cfa5d45720e17f2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bc3ff8d3c05044de57865ebbb78cca8f7da3e595Patch
Impacted products
Vendor Product Version
Linux Linux Version: 1749c4c51c16e3e078faae0a876d01bafb187a74
Version: 1749c4c51c16e3e078faae0a876d01bafb187a74
Version: 1749c4c51c16e3e078faae0a876d01bafb187a74
Version: 1749c4c51c16e3e078faae0a876d01bafb187a74
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   Linux Linux Version: 5.18
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