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CVE-2022-3533— Linux Kernel BPF usdt.c parse_usdt_arg memory leak

Quick assessment

Affected
Linux Kernel
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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BPF的tools/lib/bpf/usdt.c文件中的函数parse_usdt_arg受到影响，可能会导致内存泄漏。

CVSS 3.5 · Low EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2022-3533

Vulnerability Information
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Vulnerability Title
Linux Kernel BPF usdt.c parse_usdt_arg memory leak
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Linux Kernel. It has been rated as problematic. This issue affects the function parse_usdt_arg of the file tools/lib/bpf/usdt.c of the component BPF. The manipulation of the argument reg_name leads to memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211031.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
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，该漏洞源于组件BPF的tools/lib/bpf/usdt.c文件中的函数parse_usdt_arg受到影响，可能会导致内存泄漏。
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

Vendor Product Affected Versions CPE Subscribe
Linux Kernel n/a -

II. Public POCs for CVE-2022-3533

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III. Intelligence Information for CVE-2022-3533

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Patches & Fixes for CVE-2022-3533 (1)

Vendor Advisories for CVE-2022-3533 (1)

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

CVE-2022-3534 5.5 MEDIUM Linux Kernel libbpf btf_dump.c btf_dump_name_dups use after free
CVE-2022-3541 5.5 MEDIUM Linux Kernel BPF spl2sw_driver.c spl2sw_nvmem_get_mac_address use after free
CVE-2022-3545 5.5 MEDIUM Linux Kernel IPsec nfp_cppcore.c area_cache_get use after free
CVE-2022-3564 5.5 MEDIUM Linux Kernel Bluetooth l2cap_core.c l2cap_reassemble_sdu use after free
CVE-2022-3565 4.6 MEDIUM Linux Kernel Bluetooth l1oip_core.c del_timer use after free
CVE-2022-3566 4.6 MEDIUM Linux Kernel TCP tcp_setsockopt race condition
CVE-2022-3567 4.6 MEDIUM Linux Kernel IPv6 inet6_dgram_ops race condition
CVE-2022-3543 3.5 LOW Linux Kernel BPF af_unix.c unix_release_sock memory leak
CVE-2022-3544 3.5 LOW Linux Kernel Netfilter sysfs.c damon_sysfs_add_target memory leak
CVE-2022-3563 3.5 LOW Linux 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-404

V. Comments for CVE-2022-3533

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