CVE-2010-4074
Description
The USB subsystem in the Linux kernel before 2.6.36-rc5 does not properly initialize certain structure members, which allows local users to obtain potentially sensitive information from kernel stack memory via vectors related to TIOCGICOUNT ioctl calls, and the (1) mos7720_ioctl function in drivers/usb/serial/mos7720.c and (2) mos7840_ioctl function in drivers/usb/serial/mos7840.c.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 5.0 | Affected | — |
Linux kernel Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 2.6.36 | Affected | — |
| — | Affected | 2.6.36 |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a0846f1868b11cd827bdfeaf4527d8b1b1c0b098
- http://lkml.org/lkml/2010/9/15/392
- http://secunia.com/advisories/42890
- http://www.debian.org/security/2010/dsa-2126
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.36/ChangeLog-2.6.36-rc5
- http://www.openwall.com/lists/oss-security/2010/09/25/2
- http://www.openwall.com/lists/oss-security/2010/10/06/6
- http://www.openwall.com/lists/oss-security/2010/10/07/1
- http://www.openwall.com/lists/oss-security/2010/10/25/3
- http://www.redhat.com/support/errata/RHSA-2010-0958.html
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://www.securityfocus.com/bid/45074
- https://bugzilla.redhat.com/show_bug.cgi?id=648659
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a0846f1868b11cd827bdfeaf4527d8b1b1c0b098
- http://lkml.org/lkml/2010/9/15/392
- http://secunia.com/advisories/42890
- http://www.debian.org/security/2010/dsa-2126
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.36/ChangeLog-2.6.36-rc5
- http://www.openwall.com/lists/oss-security/2010/09/25/2
- http://www.openwall.com/lists/oss-security/2010/10/06/6
- http://www.openwall.com/lists/oss-security/2010/10/07/1
- http://www.openwall.com/lists/oss-security/2010/10/25/3
- http://www.redhat.com/support/errata/RHSA-2010-0958.html
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://www.securityfocus.com/bid/45074
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.