How severe is CVE-2011-1173?

CVE-2011-1173 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-1173 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1173?

CVE-2011-1173 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-1173?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1173 published?

CVE-2011-1173 was published on 2011-06-22 and last updated on 2026-06-16.

CVE-2011-1173

CVE-2011-1173 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Linux Linux Kernel
Published: 2011-06-22
Last modified: 2026-06-16

Description

The econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before 2.6.39 on the x86_64 platform allows remote attackers to obtain potentially sensitive information from kernel stack memory by reading uninitialized data in the ah field of an Acorn Universal Networking (AUN) packet.

Frequently asked questions

What is CVE-2011-1173?: The econet_sendmsg function in net/econet/af_econet.c in the Linux kernel before 2.6.39 on the x86_64 platform allows remote attackers to obtain potentially sensitive information from kernel stack memory by reading uninitialized data in the ah field of an Acorn Universal Networking (AUN) packet.
How severe is CVE-2011-1173?: CVE-2011-1173 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-1173 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1173?: CVE-2011-1173 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-1173?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1173 published?: CVE-2011-1173 was published on 2011-06-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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