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CVE-2024-42142— net/mlx5: E-switch, Create ingress ACL when needed

EPSS 0.02% · P5
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I. Basic Information for CVE-2024-42142

Vulnerability Information
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Vulnerability Title
net/mlx5: E-switch, Create ingress ACL when needed
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于net/mlx5模块中在使用E-switch时，如果vport元数据匹配和优先级标签被启用，将创建入口ACL，但active-backup lag模式也使用它，这与vport元数据匹配和优先级标签无关。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 1749c4c51c16e3e078faae0a876d01bafb187a74 ~ bc3ff8d3c05044de57865ebbb78cca8f7da3e595 -
LinuxLinux 5.18 -

II. Public POCs for CVE-2024-42142

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III. Intelligence Information for CVE-2024-42142

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Same Patch Batch · Linux · 2024-07-30 · 70 CVEs total

CVE-2024-42146drm/xe: Add outer runtime_pm protection to xe_live_ktest@xe_dma_buf
CVE-2024-42227drm/amd/display: Fix overlapping copy within dml_core_mode_programming
CVE-2024-42225wifi: mt76: replace skb_put with skb_put_zero
CVE-2024-42153i2c: pnx: Fix potential deadlock warning from del_timer_sync() call in isr
CVE-2024-42152nvmet: fix a possible leak when destroy a ctrl during qp establishment
CVE-2024-42151bpf: mark bpf_dummy_struct_ops.test_1 parameter as nullable
CVE-2024-42150net: txgbe: remove separate irq request for MSI and INTx
CVE-2024-42149fs: don't misleadingly warn during thaw operations
CVE-2024-42148bnx2x: Fix multiple UBSAN array-index-out-of-bounds
CVE-2024-42147crypto: hisilicon/debugfs - Fix debugfs uninit process issue
CVE-2024-42154tcp_metrics: validate source addr length
CVE-2024-42145IB/core: Implement a limit on UMAD receive List
CVE-2024-42144thermal/drivers/mediatek/lvts_thermal: Check NULL ptr on lvts_data
CVE-2024-42141Bluetooth: ISO: Check socket flag instead of hcon
CVE-2024-42140riscv: kexec: Avoid deadlock in kexec crash path
CVE-2024-42138mlxsw: core_linecards: Fix double memory deallocation in case of invalid INI file
CVE-2024-42139ice: Fix improper extts handling
CVE-2024-42137Bluetooth: qca: Fix BT enable failure again for QCA6390 after warm reboot
CVE-2024-42136cdrom: rearrange last_media_change check to avoid unintentional overflow
CVE-2024-42135vhost_task: Handle SIGKILL by flushing work and exiting

Showing top 20 of 70 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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