Vulnerability Details : CVE-2011-1478
The napi_reuse_skb function in net/core/dev.c in the Generic Receive Offload (GRO) implementation in the Linux kernel before 2.6.38 does not reset the values of certain structure members, which might allow remote attackers to cause a denial of service (NULL pointer dereference) via a malformed VLAN frame.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2011-1478
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Threat overview for CVE-2011-1478
Top countries where our scanners detected CVE-2011-1478
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-1478 1,472
Threat actors abusing to this issue?
Yes
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2011-1478
0.47%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-1478
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.7
|
MEDIUM | AV:A/AC:M/Au:N/C:N/I:N/A:C |
5.5
|
6.9
|
NIST |
CWE ids for CVE-2011-1478
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-1478
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http://openwall.com/lists/oss-security/2011/03/28/1
oss-security - CVE-2011-1478 kernel: gro: reset dev and skb_iff on skb reuseMailing List;Third Party Advisory
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http://securityreason.com/securityalert/8480
VMware ESXi and ESX updates to third party libraries and ESX Service Console - CXSecurity.comThird Party Advisory
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6d152e23ad1a7a5b40fef1f42e017d66e6115159
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http://mirror.anl.gov/pub/linux/kernel/v2.6/ChangeLog-2.6.38
Broken Link
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http://www.securityfocus.com/archive/1/520102/100/0/threaded
SecurityFocusThird Party Advisory;VDB Entry
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http://www.vmware.com/security/advisories/VMSA-2011-0012.html
VMSA-2011-0012.3Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=691270
691270 – (CVE-2011-1478) CVE-2011-1478 kernel: gro: reset dev and skb_iff on skb reuseIssue Tracking;Third Party Advisory
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=66c46d741e2e60f0e8b625b80edb0ab820c46d7a
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