CVE-2009-3043
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…
Does this matter?
Lower severity and a low EPSS score (0.85%). Track it; it rarely justifies an emergency change on its own.
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 2.0
- 4.9 MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 0.85% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5c58ceff103d8a654f24769bb1baaf84a841b0cc
- 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/36191Exploit, Patch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5c58ceff103d8a654f24769bb1baaf84a841b0cc
- 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/36191Exploit, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.