What is CVE-2011-3353?

CVE-2011-3353 is a medium-severity vulnerability in Linux Kernel, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2012-05-24.

How severe is CVE-2011-3353?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Linux Kernel

CVE-2011-3353

Buffer overflow in the fuse_notify_inval_entry function in fs/fuse/dev.c in the Linux kernel before 3.1 allows local users to cause a denial of service (BUG_ON and system crash) by leveraging the ability to mount a FUSE filesystem.

Vulnerability class: Buffer Overflow

Published 2012-05-24 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Linux Kernel

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/torvalds/linux/commit/c2183d1e9b3f313dd8ba2b1b0197c8d9fb86a7ae (Patch, Third Party Advisory)
git.kernel.org/
bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 (Patch, Mailing List, Vendor Advisory)
www.openwall.com/lists/oss-security/2011/09/09/6 (mailing-list, Patch, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2011-3353?: CVE-2011-3353 is a medium-severity vulnerability in Linux Kernel, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2012-05-24.
How severe is CVE-2011-3353?: Medium severity. CVSS v3 base score is 5.5 out of 10.