Vulnerability in Linux Kernel
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 certain pseudo-terminal I/O activity, as demonstrated by KernelTtyTest.c.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.9 (Medium). Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.009 (56.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.0, 2.6.1, 2.6.2
Weakness classification (CWE)
References
- git.kernel.org/
- lkml.org/lkml/2009/8/20/21 (mailing-list, Exploit)
- www.openwall.com/lists/oss-security/2009/09/03/6 (mailing-list)
- www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc8
- www.openwall.com/lists/oss-security/2009/09/03/7 (mailing-list)
- lkml.org/lkml/2009/8/20/68 (mailing-list)
- www.securityfocus.com/bid/36191 (Exploit, Patch, vdb-entry)
- www.openwall.com/lists/oss-security/2009/08/31/1 (mailing-list)
- lkml.org/lkml/2009/8/20/27 (mailing-list, Exploit)