CVE-2019-3459
Quick assessment
Affected
Linux Linux
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 中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。
Possible ATT&CK Techniques 1 AI
T1011.001 · Exfiltration Over Bluetooth
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I. Basic Information for CVE-2019-3459
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A heap address information leak while using L2CAP_GET_CONF_OPT was discovered in the Linux kernel before 5.1-rc1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 缓冲区错误漏洞
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 中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。
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-2019-3459
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2019-3459 (7)
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https://bugzilla.redhat.com/show_bug.cgi?id=1663176 x_refsource_CONFIRM
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https://bugzilla.novell.com/show_bug.cgi?id=1120758 x_refsource_CONFIRM
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🔗 RHSA-2019:3309 - Security Advisory - Red Hat Customer Portal Read full article vendor-advisory x_refsource_REDHAT
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Mailing List Discussions for CVE-2019-3459 (9)
Other References for CVE-2019-3459 (3)
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https://git.kernel.org/linus/7c9cbd0b5e38a1672fcd137894ace3b042dfbf69 x_refsource_CONFIRM
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https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-3459.html x_refsource_CONFIRM
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https://lore.kernel.org/linux-bluetooth/20190110062833.GA15047%40kroah.com/ mailing-list x_refsource_MLIST
IV. Related Vulnerabilities
Same product: Linux
-
CVE-2026-98384
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CVE-2026-98382
bpf: Reject dev-bound-only programs on other devices -
CVE-2026-98381
veth: manage XDP program pointers during channel resize -
CVE-2026-98380
net/sched: reject IDR error pointers when deleting actions
Same vendor: Linux
-
CVE-2026-98384
bpf: Fix out-of-bounds read of sk_protocol in bpf_sock_destr -
CVE-2026-98383
bpf: Disallow bpf_skb_pull_data() for LWT_SEG6LOCAL -
CVE-2026-98382
bpf: Reject dev-bound-only programs on other devices -
CVE-2026-98381
veth: manage XDP program pointers during channel resize -
CVE-2026-98380
net/sched: reject IDR error pointers when deleting actions
V. Comments for CVE-2019-3459
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