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CVE-2022-3534— Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after free

CVSS 5.5 · Medium EPSS 0.03% · P9
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I. Basic Information for CVE-2022-3534

Vulnerability Information
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Vulnerability Title
Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after free
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability classified as critical has been found in Linux Kernel. Affected is the function btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211032.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 资源管理错误漏洞
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，该漏洞源于组件libbpf的tools/lib/bpf/btf_dump.c文件中的函数btf_dump_name_dups受到影响，可能会导致释放后重用。
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
LinuxKernel n/a -

II. Public POCs for CVE-2022-3534

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III. Intelligence Information for CVE-2022-3534

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Same Patch Batch · Linux · 2022-10-17 · 11 CVEs total

CVE-2022-35415.5 MEDIUMLinux Kernel BPF spl2sw_driver.c spl2sw_nvmem_get_mac_address use after free
CVE-2022-35455.5 MEDIUMLinux Kernel IPsec nfp_cppcore.c area_cache_get use after free
CVE-2022-35645.5 MEDIUMLinux Kernel Bluetooth l2cap_core.c l2cap_reassemble_sdu use after free
CVE-2022-35654.6 MEDIUMLinux Kernel Bluetooth l1oip_core.c del_timer use after free
CVE-2022-35664.6 MEDIUMLinux Kernel TCP tcp_setsockopt race condition
CVE-2022-35674.6 MEDIUMLinux Kernel IPv6 inet6_dgram_ops race condition
CVE-2022-35333.5 LOWLinux Kernel BPF usdt.c parse_usdt_arg memory leak
CVE-2022-35433.5 LOWLinux Kernel BPF af_unix.c unix_release_sock memory leak
CVE-2022-35443.5 LOWLinux Kernel Netfilter sysfs.c damon_sysfs_add_target memory leak
CVE-2022-35633.5 LOWLinux Kernel BlueZ mgmt-tester.c read_50_controller_cap_complete null pointer dereference

IV. Related Vulnerabilities

Same product: Kernel
Same vendor: Linux
Same weakness: CWE-119

V. Comments for CVE-2022-3534

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