kbrain

CVE-2009-3043

MEDIUM · CVSS 4.9EPSS 0.9%EU EUVD

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.

Key facts

CVSS score
4.9 (v2.0)
Severity
MEDIUM
CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-399
EPSS score
0.9% (58th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-3027)
Published
September 2, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-3027 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • linux / linux kernel
  • linux / linux kernel
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  • linux / linux kernel
  • linux / linux kernel

and 266 more…

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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