CVE-2010-4076

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.

• CWE-200

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d281da7ff6f70efca0553c288bb883e8605b3862
• http://lkml.org/lkml/2010/9/15/389Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/09/25/2Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/10/06/6Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/10/07/1Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/10/25/3Mailing List, Patch, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=648661Issue Tracking, Patch, Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d281da7ff6f70efca0553c288bb883e8605b3862
• http://lkml.org/lkml/2010/9/15/389Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/09/25/2Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/10/06/6Mailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/10/07/1Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2010/10/25/3Mailing List, Patch, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=648661Issue Tracking, Patch, Third Party Advisory

Published

Nov 29, 2010

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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