Vulnerability Description
The tty_ldisc_hangup function in drivers/char/tty_ldisc.c in the Linux kernel 2.6.31-rc before 2.6.31-rc8 allows local users to cause a denial of service (system crash, sometimes preceded by a NULL pointer dereference) or possibly gain privileges via certain pseudo-terminal I/O activity, as demonstrated by KernelTtyTest.c.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 2.6.31 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lkml.org/lkml/2009/8/20/21Exploit
- http://lkml.org/lkml/2009/8/20/27Exploit
- http://lkml.org/lkml/2009/8/20/68
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc8
- http://www.openwall.com/lists/oss-security/2009/08/31/1
- http://www.openwall.com/lists/oss-security/2009/09/03/6
- http://www.openwall.com/lists/oss-security/2009/09/03/7
- http://www.securityfocus.com/bid/36191ExploitPatch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lkml.org/lkml/2009/8/20/21Exploit
- http://lkml.org/lkml/2009/8/20/27Exploit
- http://lkml.org/lkml/2009/8/20/68
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc8
- http://www.openwall.com/lists/oss-security/2009/08/31/1
FAQ
What is CVE-2009-3043?
CVE-2009-3043 is a vulnerability with a CVSS score of 4.9 (MEDIUM). The tty_ldisc_hangup function in drivers/char/tty_ldisc.c in the Linux kernel 2.6.31-rc before 2.6.31-rc8 allows local users to cause a denial of service (system crash, sometimes preceded by a NULL po...
How severe is CVE-2009-3043?
CVE-2009-3043 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-3043?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.