CVE-2022-3543— Linux Kernel BPF af_unix.c unix_release_sock memory leak
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I. Basic Information for CVE-2022-3543
Vulnerability Information
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Vulnerability Title
Linux Kernel BPF af_unix.c unix_release_sock memory leak
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function unix_sock_destructor/unix_release_sock of the file net/unix/af_unix.c of the component BPF. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211043.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的资源关闭或释放
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，该漏洞源于组件BPF的net/unix/af_unix.c文件中的函数unix_sock_destructor/unix_release_sock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
II. Public POCs for CVE-2022-3543
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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-2022-3533 | 3.5 LOW | Linux Kernel BPF usdt.c parse_usdt_arg 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 |
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Information Leakage in kernel
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V. Comments for CVE-2022-3543
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