How severe is CVE-2015-0777?

CVE-2015-0777 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2015-0777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0777?

CVE-2015-0777 primarily affects Xen. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-0777?

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

When was CVE-2015-0777 published?

CVE-2015-0777 was published on 2015-04-05 and last updated on 2026-06-17.

CVE-2015-0777

CVE-2015-0777 is a low-severity vulnerability in Xen with a CVSS 2.0 base score of 2.1. 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: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Xen
Published: 2015-04-05
Last modified: 2026-06-17

Description

drivers/xen/usbback/usbback.c in linux-2.6.18-xen-3.4.0 (aka the Xen 3.4.x support patches for the Linux kernel 2.6.18), as used in the Linux kernel 2.6.x and 3.x in SUSE Linux distributions, allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory via unspecified vectors.

Frequently asked questions

What is CVE-2015-0777?: drivers/xen/usbback/usbback.c in linux-2.6.18-xen-3.4.0 (aka the Xen 3.4.x support patches for the Linux kernel 2.6.18), as used in the Linux kernel 2.6.x and 3.x in SUSE Linux distributions, allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory via unspecified vectors.
How severe is CVE-2015-0777?: CVE-2015-0777 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2015-0777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0777?: CVE-2015-0777 primarily affects Xen. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-0777?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-0777 published?: CVE-2015-0777 was published on 2015-04-05 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*

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