CVE-2009-3043

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• Linux Kernel 2.6.x - 'drivers/char/tty_ldisc.c' Null Pointer Dereference Denial of Service2009-08-19 · dos · linux · Verified

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5c58ceff103d8a654f24769bb1baaf84a841b0cc
• http://lkml.org/lkml/2009/8/20/21
• http://lkml.org/lkml/2009/8/20/27
• 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/36191
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5c58ceff103d8a654f24769bb1baaf84a841b0cc
• http://lkml.org/lkml/2009/8/20/21
• http://lkml.org/lkml/2009/8/20/27
• 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/36191