CVE-2009-4410

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-12-24 · updated 2026-06-16

Description

The fuse_ioctl_copy_user function in the ioctl handler in fs/fuse/file.c in the Linux kernel 2.6.29-rc1 through 2.6.30.y uses the wrong variable in an argument to the kunmap function, which allows local users to cause a denial of service (panic) via unknown vectors.

Affected products

Linux kernel: 2.6.29, 2.6.29-git1, 2.6.29-rc1, 2.6.29-rc2, 2.6.29-rc2_git7, 2.6.29-rc8-kk (+27)

References

http://osvdb.org/61335
http://secunia.com/advisories/37928
http://www.openwall.com/lists/oss-security/2009/12/23/1
http://www.securityfocus.com/bid/37453
https://bugzilla.redhat.com/show_bug.cgi?id=549400
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01344.html
http://osvdb.org/61335
http://secunia.com/advisories/37928
http://www.openwall.com/lists/oss-security/2009/12/23/1
http://www.securityfocus.com/bid/37453
https://bugzilla.redhat.com/show_bug.cgi?id=549400
https://www.redhat.com/archives/fedora-package-announce/2009-December/msg01344.html

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