CVE-2010-4076

medium

Description

The rs_ioctl function in drivers/char/amiserial.c in the Linux kernel 2.6.36.1 and earlier does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

References

Advisories
More

https://bugzilla.redhat.com/show_bug.cgi?id=648661

http://www.openwall.com/lists/oss-security/2010/10/25/3

http://www.openwall.com/lists/oss-security/2010/10/07/1

http://www.openwall.com/lists/oss-security/2010/10/06/6

http://www.openwall.com/lists/oss-security/2010/09/25/2

http://lkml.org/lkml/2010/9/15/389

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d281da7ff6f70efca0553c288bb883e8605b3862

Details

Source: Mitre, NVD

Published: 2010-11-29

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 1.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.0006