CVE-2012-2136
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I. Basic Information for CVE-2012-2136
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.
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 输入验证错误漏洞
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 3.4.5之前版本存在输入验证错误漏洞，该漏洞源于未正确验证一定的长度值。本地攻击者利用该漏洞通过访问TUN/TAP设备导致拒绝服务（基于堆的缓冲区溢出和系统崩溃）或获取特权。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2012-2136
| # | POC Description | Source Link | Shenlong Link |
|---|
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- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=816289x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2012-2136
Same Patch Batch · n/a · 2012-08-09 · 6 CVEs total
| CVE-2012-2373 | Linux Kernel 本地拒绝服务漏洞 | |
| CVE-2012-2744 | Linux kernel 安全漏洞 | |
| CVE-2012-2745 | Linux Kernel Key Management组件拒绝服务漏洞 | |
| CVE-2012-2862 | Google Chrome 多个资源管理错误漏洞 | |
| CVE-2012-2863 | Google Chrome 缓冲区溢出漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
- CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-8187
Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption - CVE-2026-6667
PgBouncer missing authorization check in KILL_CLIENT admin c - CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error - CVE-2026-6665
PgBouncer buffer overflow in SCRAM
V. Comments for CVE-2012-2136
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