cbcvebase.
CVE-2024-42142
published 2024-07-30

CVE-2024-42142: 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…

PriorityP421medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.22%
13.3th percentile
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.

Affected

15 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.98-1 (bookworm)linux 6.1.98-1 (bookworm)
debianlinux-6.1< linux 6.1.98-1 (bookworm)linux 6.1.98-1 (bookworm)
linuxlinux
linuxlinux>= 1749c4c51c16e3e078faae0a876d01bafb187a74 < bc3ff8d3c05044de57865ebbb78cca8f7da3e595bc3ff8d3c05044de57865ebbb78cca8f7da3e595
linuxlinux>= 1749c4c51c16e3e078faae0a876d01bafb187a74 < 3e3551f8702978cd2221d2614ca6d6727e7853243e3551f8702978cd2221d2614ca6d6727e785324
linuxlinux>= 1749c4c51c16e3e078faae0a876d01bafb187a74 < 83bc1a129f7fd0d7d05036ceb7ee69102624e32083bc1a129f7fd0d7d05036ceb7ee69102624e320
linuxlinux>= 1749c4c51c16e3e078faae0a876d01bafb187a74 < b20c2fb45470d0c7a603613c9cfa5d45720e17f2b20c2fb45470d0c7a603613c9cfa5d45720e17f2
linuxlinux_kernel
linuxlinux_kernel>= 0 < 6.1.98-16.1.98-1
linuxlinux_kernel>= 0 < 6.9.9-16.9.9-1
linuxlinux_kernel>= 0 < 6.9.9-16.9.9-1
linuxlinux_kernel>= 0 < 6.8.0-48.486.8.0-48.48
linuxlinux_kernel>= 5.18 < 6.1.986.1.98
linuxlinux_kernel>= 6.2 < 6.6.396.6.39
linuxlinux_kernel>= 6.7 < 6.9.96.9.9

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
vendor_ubuntu5.5MEDIUM
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