CVE-2011-1747

CVE-2011-1747 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.7. 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-399.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.7)
• EPSS exploit prediction: 0% (35th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Linux Linux Kernel
• Published: 2011-05-09
• Last modified: 2026-06-16

Description

The agp subsystem in the Linux kernel 2.6.38.5 and earlier does not properly restrict memory allocation by the (1) AGPIOC_RESERVE and (2) AGPIOC_ALLOCATE ioctls, which allows local users to cause a denial of service (memory consumption) by making many calls to these ioctls.

Frequently asked questions

What is CVE-2011-1747?

The agp subsystem in the Linux kernel 2.6.38.5 and earlier does not properly restrict memory allocation by the (1) AGPIOC_RESERVE and (2) AGPIOC_ALLOCATE ioctls, which allows local users to cause a denial of service (memory consumption) by making many calls to these ioctls.

How severe is CVE-2011-1747?

CVE-2011-1747 has a CVSS 2.0 base score of 4.7, rated medium severity.

Is CVE-2011-1747 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1747?

CVE-2011-1747 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-1747?

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

When was CVE-2011-1747 published?

CVE-2011-1747 was published on 2011-05-09 and last updated on 2026-06-16.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b522f02184b413955f3bc952e3776ce41edc6355
• http://openwall.com/lists/oss-security/2011/04/21/4
• http://openwall.com/lists/oss-security/2011/04/22/10
• http://openwall.com/lists/oss-security/2011/04/22/11
• http://openwall.com/lists/oss-security/2011/04/22/7
• http://openwall.com/lists/oss-security/2011/04/22/8
• http://openwall.com/lists/oss-security/2011/04/22/9
• http://securitytracker.com/id?1025441
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.5
• http://www.securityfocus.com/bid/47832
• https://bugzilla.redhat.com/show_bug.cgi?id=698999
• https://lkml.org/lkml/2011/4/14/294

Affected products (1)

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

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