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CVE-2022-3629— Linux Kernel af_vsock.c vsock_connect 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IPsec中net/vmw_vsock/af_vsock.c文件的vsock_connect函数存在问题，可能导致内存泄漏。

CVSS 2.6 · Low EPSS 0.35% · P26
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I. Basic Information for CVE-2022-3629

Vulnerability Information
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Vulnerability Title
Linux Kernel af_vsock.c vsock_connect memory leak
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Linux Kernel. It has been declared as problematic. This vulnerability affects the function vsock_connect of the file net/vmw_vsock/af_vsock.c. The manipulation leads to memory leak. The complexity of an attack is rather high. The exploitation appears to be difficult. It is recommended to apply a patch to fix this issue. VDB-211930 is the identifier assigned to this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
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IPsec中net/vmw_vsock/af_vsock.c文件的vsock_connect函数存在问题，可能导致内存泄漏。
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-2022-3629

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III. Intelligence Information for CVE-2022-3629

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Patches & Fixes for CVE-2022-3629 (1)

Vendor Advisories for CVE-2022-3629 (2)

Same Patch Batch · Linux · 2022-10-21 · 11 CVEs total

CVE-2022-3635 5.5 MEDIUM Linux Kernel IPsec idt77252.c tst_timer use after free
CVE-2022-3636 5.5 MEDIUM Linux Kernel Ethernet mtk_ppe.c __mtk_ppe_check_skb use after free
CVE-2022-3640 5.5 MEDIUM Linux Kernel Bluetooth l2cap_core.c l2cap_conn_del use after free
CVE-2022-3625 4.6 MEDIUM Linux Kernel IPsec devlink.c devlink_param_get use after free
CVE-2022-3624 3.5 LOW Linux Kernel IPsec bond_alb.c rlb_arp_xmit memory leak
CVE-2022-3633 3.5 LOW Linux Kernel transport.c j1939_session_destroy memory leak
CVE-2022-3630 3.1 LOW Linux Kernel IPsec cookie.c memory leak
CVE-2022-3646 3.1 LOW Linux Kernel BPF segment.c nilfs_attach_log_writer memory leak
CVE-2022-3649 3.1 LOW Linux Kernel BPF inode.c nilfs_new_inode use after free
CVE-2022-3637 2.6 LOW Linux Kernel BlueZ jlink.c jlink_init denial of service

IV. Related Vulnerabilities

Same product: Kernel
Same vendor: Linux
Same weakness: CWE-401

V. Comments for CVE-2022-3629

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