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CVE Record

CVE-2005-2548: vlan_dev.c in the VLAN code for Linux kernel 2.6.8 allows remote attackers to cause a denial of service (ke...

vlan_dev.c in the VLAN code for Linux kernel 2.6.8 allows remote attackers to cause a denial of service (kernel oops from null dereference) via certain UDP packets that lead to a function call with the wrong argument, as demonstrated using snmpwalk on snmpd.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2005-2548 is an old Linux kernel denial-of-service issue. Certain UDP packets can trigger a null pointer crash in VLAN handling, causing a kernel oops. For a business, the realistic concern is outage of legacy Linux systems using affected VLAN code, not data theft or remote code execution based on the provided sources. Most likely exposure is legacy Linux systems running kernel 2.6.8 with VLAN networking enabled. The example involved UDP traffic to snmpd, but the bundle does not prove every SNMP deployment is vulnerable. Modern supported kernels are unlikely affected unless they carry the same old VLAN code. Treat this as a legacy infrastructure risk. It is not marked as actively exploited, but a remotely triggerable kernel crash can cause downtime if old VLAN-enabled Linux systems remain in production. Mitigation focus: Identify systems still running Linux kernel 2.6.8 or vendor kernels from that period.; Review Ubuntu USN-169-1, Debian DSA-922, and Mandriva MDKSA-2005:219 for vendor fixes.; Upgrade affected kernels using vendor-supported packages where available..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
2Source links

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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