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CVE-2024-53099— bpf: Check validity of link->type in bpf_link_show_fdinfo()

EPSS 0.01% · P0
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I. Basic Information for CVE-2024-53099

Vulnerability Information
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Vulnerability Title
bpf: Check validity of link->type in bpf_link_show_fdinfo()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Check validity of link->type in bpf_link_show_fdinfo() If a newly-added link type doesn't invoke BPF_LINK_TYPE(), accessing bpf_link_type_strs[link->type] may result in an out-of-bounds access. To spot such missed invocations early in the future, checking the validity of link->type in bpf_link_show_fdinfo() and emitting a warning when such invocations are missed.
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，该漏洞源于未正确调用BPF_LINK_TYPE()宏来注册链接类型，会导致在访问bpf_link_type_strs[link->type]数组时会出现越界访问。
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 70ed506c3bbcfa846d4636b23051ca79fa4781f7 ~ 79f87a6ec39fb5968049a6775a528bf58b25c20a -
LinuxLinux 5.7 -

II. Public POCs for CVE-2024-53099

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III. Intelligence Information for CVE-2024-53099

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Same Patch Batch · Linux · 2024-11-25 · 6 CVEs total

CVE-2024-53096mm: resolve faulty mmap_region() error path behaviour
CVE-2024-53097mm: krealloc: Fix MTE false alarm in __do_krealloc
CVE-2024-53098drm/xe/ufence: Prefetch ufence addr to catch bogus address
CVE-2024-53100nvme: tcp: avoid race between queue_lock lock and destroy
CVE-2024-53101fs: Fix uninitialized value issue in from_kuid and from_kgid

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-53099

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