Description
The tun_chr_poll function in drivers/net/tun.c in the tun subsystem in the Linux kernel 2.6.30 and 2.6.30.1, when the -fno-delete-null-pointer-checks gcc option is omitted, allows local users to gain privileges via vectors involving a NULL pointer dereference and an mmap of /dev/net/tun, a different vulnerability than CVE-2009-1894.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2009-1892 | The tun_chr_poll function in drivers/net/tun.c in the tun subsystem in the Linux kernel 2.6.30 and 2.6.30.1, when the -fno-delete-null-pointer-checks gcc option is omitted, allows local users to gain privileges via vectors involving a NULL pointer dereference and an mmap of /dev/net/tun, a different vulnerability than CVE-2009-1894. |
References
History
Wed, 28 May 2025 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
Thu, 22 May 2025 04:30:00 +0000
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| References |
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-07T05:27:54.800Z
Reserved: 2009-06-02T00:00:00.000Z
Link: CVE-2009-1897
No data.
Status : Modified
Published: 2009-07-20T17:30:54.733
Modified: 2026-04-23T00:35:47.467
Link: CVE-2009-1897
OpenCVE Enrichment
No data.
Weaknesses
EUVD