Published: 29/11/2010 Updated: 07/11/2023

CVSS v2 Base Score: 1.9 | Impact Score: 2.9 | Exploitability Score: 3.4

VMScore: 170

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

The rs_ioctl function in drivers/char/amiserial.c in the Linux kernel 2.6.36.1 and previous versions 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.

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linux linux kernel

Multiple kernel flaws have been fixed ...

Multiple kernel vulnerabilities ...

Multiple kernel flaws have been fixed ...

Ubuntu Security Notice 1202-1 - Dan Rosenberg discovered that several network ioctls did not clear kernel memory correctly A local user could exploit this to read kernel stack memory, leading to a loss of privacy Brad Spengler discovered that stack memory for new a process was not correctly calculated A local attacker could exploit this to crash ...

CWE-200 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 https://bugzilla.redhat.com/show_bug.cgi?id=648661 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d281da7ff6f70efca0553c288bb883e8605b3862 https://nvd.nist.gov https://packetstormsecurity.com/files/105078/Ubuntu-Security-Notice-USN-1202-1.html https://usn.ubuntu.com/1204-1/

CVE-2010-4076

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