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CVE-2024-43864— net/mlx5e: Fix CT entry update leaks of modify header context

EPSS 0.03% · P8
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I. Basic Information for CVE-2024-43864

Vulnerability Information
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Vulnerability Title
net/mlx5e: Fix CT entry update leaks of modify header context
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix CT entry update leaks of modify header context The cited commit allocates a new modify header to replace the old one when updating CT entry. But if failed to allocate a new one, eg. exceed the max number firmware can support, modify header will be an error pointer that will trigger a panic when deallocating it. And the old modify header point is copied to old attr. When the old attr is freed, the old modify header is lost. Fix it by restoring the old attr to attr when failed to allocate a new modify header context. So when the CT entry is freed, the right modify header context will be freed. And the panic of accessing error pointer is also fixed.
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。攻击者利用该漏洞导致内核恐慌。
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 94ceffb48eac7692677d8093dcde6965b70c4b35 ~ daab2cc17b6b6ab158566bba037e9551fd432b59 -
LinuxLinux 6.3 -

II. Public POCs for CVE-2024-43864

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III. Intelligence Information for CVE-2024-43864

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Same Patch Batch · Linux · 2024-08-20 · 8 CVEs total

CVE-2024-43861net: usb: qmi_wwan: fix memory leak for not ip packets
CVE-2024-43862net: wan: fsl_qmc_hdlc: Convert carrier_lock spinlock to a mutex
CVE-2024-43863drm/vmwgfx: Fix a deadlock in dma buf fence polling
CVE-2024-43865s390/fpu: Re-add exception handling in load_fpu_state()
CVE-2024-43866net/mlx5: Always drain health in shutdown callback
CVE-2024-43867drm/nouveau: prime: fix refcount underflow
CVE-2024-43868riscv/purgatory: align riscv_kernel_entry

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-43864

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