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4.9
CVSSv2

CVE-2009-3043

Published: 02/09/2009 Updated: 07/11/2023
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
VMScore: 495
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
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Vulnerability Summary

The tty_ldisc_hangup function in drivers/char/tty_ldisc.c in the Linux kernel 2.6.31-rc prior to 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.

Vulnerability Trend

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linux linux kernel 2.6.27.29

linux linux kernel 2.6.27.12

linux linux kernel 2.6.20.6

linux linux kernel 2.6.20.9

linux linux kernel 2.6.11

linux linux kernel 2.6.23.4

linux linux kernel 2.6.22.15

linux linux kernel 2.6.16.16

linux linux kernel 2.6.18.7

linux linux kernel 2.6.17.12

linux linux kernel 2.6.16.39

linux linux kernel 2.6.27.3

linux linux kernel 2.6.29.3

linux linux kernel 2.6.21

linux linux kernel 2.6.16.9

linux linux kernel 2.6.17.9

linux linux kernel 2.6.11.2

linux linux kernel 2.6.27.1

linux linux kernel 2.6.5

linux linux kernel 2.6.15.3

linux linux kernel 2.6.27.30

linux linux kernel 2.6.11.10

linux linux kernel 2.6.24.7

linux linux kernel 2.6.1

linux linux kernel 2.6.16.43

linux linux kernel 2.6.16.6

linux linux kernel 2.6.16.8

linux linux kernel 2.6.20.13

linux linux kernel 2.6.22.4

linux linux kernel 2.6.14.7

linux linux kernel 2.6.27.18

linux linux kernel 2.6.13

linux linux kernel 2.6.17.2

linux linux kernel 2.6.13.3

linux linux kernel 2.6.23.13

linux linux kernel 2.6.11.8

linux linux kernel 2.6.24.2

linux linux kernel 2.6.26.5

linux linux kernel 2.6.16.34

linux linux kernel 2.6.25.20

linux linux kernel 2.6.27.21

linux linux kernel 2.6.23.7

linux linux kernel 2.6.17.8

linux linux kernel 2.6.14.4

linux linux kernel 2.6.14

linux linux kernel 2.6.25.5

linux linux kernel 2.6.17.4

linux linux kernel 2.6.16.18

linux linux kernel 2.6.27.27

linux linux kernel 2.6.17.14

linux linux kernel 2.6.10

linux linux kernel 2.6.23.8

linux linux kernel 2.6.16.45

linux linux kernel 2.6.22.12

linux linux kernel 2.6.25.18

linux linux kernel 2.6.14.3

linux linux kernel 2.6.29

linux linux kernel 2.6.18.3

linux linux kernel 2.6.16.37

linux linux kernel 2.6.11.6

linux linux kernel 2.6.16.48

linux linux kernel 2.6.11.11

linux linux kernel 2.6.16.13

linux linux kernel 2.6.27.10

linux linux kernel 2.6.3

linux linux kernel 2.6.21.6

linux linux kernel 2.6.26.6

linux linux kernel 2.6.22.1

linux linux kernel 2.6.27.17

linux linux kernel 2.6.16.4

linux linux kernel 2.6.23.16

linux linux kernel 2.6.17.3

linux linux kernel 2.6.24.1

linux linux kernel 2.6.20.5

linux linux kernel 2.6.22

linux linux kernel 2.6.28.4

linux linux kernel 2.6.4

linux linux kernel 2.6.27.16

linux linux kernel 2.6.26

linux linux kernel 2.6.16.15

linux linux kernel 2.6.27.20

linux linux kernel 2.6.15.6

linux linux kernel 2.6.26.3

linux linux kernel 2.6.20.16

linux linux kernel 2.6.15.1

linux linux kernel 2.6.11.5

linux linux kernel 2.6.28.2

linux linux kernel 2.6.25.9

linux linux kernel 2.6.19.3

linux linux kernel 2.6.27.4

linux linux kernel 2.6.27

linux linux kernel 2.6.19.4

linux linux kernel 2.6.25.13

linux linux kernel 2.6.28.5

linux linux kernel 2.6.19.1

linux linux kernel 2.6.18.4

linux linux kernel 2.6.16.1

linux linux kernel 2.6.18.1

linux linux kernel 2.6.20.21

linux linux kernel 2.6.31

linux linux kernel 2.6.27.13

linux linux kernel 2.6.23.1

linux linux kernel 2.6.2

linux linux kernel 2.6.14.5

linux linux kernel 2.6.13.2

linux linux kernel 2.6.17.5

linux linux kernel 2.6.18.5

linux linux kernel 2.6.21.1

linux linux kernel 2.6.16.32

linux linux kernel 2.6.13.5

linux linux kernel 2.6.16.57

linux linux kernel 2.6.16.49

linux linux kernel 2.6.25.3

linux linux kernel 2.6.17

linux linux kernel 2.6.24

linux linux kernel 2.6.19.2

linux linux kernel 2.6.26.2

linux linux kernel 2.6.21.4

linux linux kernel 2.6.16.11

linux linux kernel 2.6.20.17

linux linux kernel 2.6.16.14

linux linux kernel 2.6.20.12

linux linux kernel 2.6.16.25

linux linux kernel 2.6.27.15

linux linux kernel 2.6.16.21

linux linux kernel 2.6.16.33

linux linux kernel 2.6.8

linux linux kernel 2.6.16.28

linux linux kernel 2.6.17.10

linux linux kernel 2.6.21.5

linux linux kernel 2.6.25.15

linux linux kernel 2.6.14.1

linux linux kernel 2.6.23.15

linux linux kernel 2.6.16.23

linux linux kernel 2.6.29.4

linux linux kernel 2.6.12.5

linux linux kernel 2.6.15.7

linux linux kernel 2.6.20

linux linux kernel 2.6.23.10

linux linux kernel 2.6.22.7

linux linux kernel 2.6.27.26

linux linux kernel 2.6.16.3

linux linux kernel 2.6.27.8

linux linux kernel 2.6.26.1

linux linux kernel 2.6.25.19

linux linux kernel 2.6.20.20

linux linux kernel 2.6.16.36

linux linux kernel 2.6.14.6

linux linux kernel 2.6.12.1

linux linux kernel 2.6.27.9

linux linux kernel 2.6.11.9

linux linux kernel 2.6.16.46

linux linux kernel 2.6.17.1

linux linux kernel 2.6.20.8

linux linux kernel 2.6.27.25

linux linux kernel 2.6.20.15

linux linux kernel 2.6.22.18

linux linux kernel 2.6.0

linux linux kernel 2.6.25.8

linux linux kernel 2.6.16.54

linux linux kernel 2.6.13.4

linux linux kernel 2.6.20.18

linux linux kernel 2.6.23.9

linux linux kernel 2.6.22.6

linux linux kernel 2.6.23.3

linux linux kernel 2.6.18.8

linux linux kernel 2.6.22.3

linux linux kernel 2.6.12.2

linux linux kernel 2.6.16.31

linux linux kernel 2.6.16.26

linux linux kernel 2.6.16.62

linux linux kernel 2.6.18.2

linux linux kernel 2.6.28.8

linux linux kernel 2.6.16.29

linux linux kernel 2.6.29.1

linux linux kernel 2.6.24.4

linux linux kernel 2.6.27.19

linux linux kernel 2.6.25.16

linux linux kernel 2.6.22.9

linux linux kernel 2.6.25.17

linux linux kernel 2.6.20.11

linux linux kernel 2.6.19

linux linux kernel 2.6.20.3

linux linux kernel 2.6.16

linux linux kernel 2.6.30.4

linux linux kernel 2.6.28.3

linux linux kernel 2.6.22.13

linux linux kernel

linux linux kernel 2.6.19.7

linux linux kernel 2.6.21.3

linux linux kernel 2.6.27.28

linux linux kernel 2.6.24.5

linux linux kernel 2.6.16.51

linux linux kernel 2.6.15.2

linux linux kernel 2.6.20.19

linux linux kernel 2.6.16.22

linux linux kernel 2.6.22.17

linux linux kernel 2.6.16.58

linux linux kernel 2.6.16.40

linux linux kernel 2.6.16.47

linux linux kernel 2.6.16.42

linux linux kernel 2.6.27.22

linux linux kernel 2.6.23.14

linux linux kernel 2.6.17.11

linux linux kernel 2.6.16.10

linux linux kernel 2.6.12.4

linux linux kernel 2.6.16.41

linux linux kernel 2.6.16.52

linux linux kernel 2.6.11.3

linux linux kernel 2.6.20.10

linux linux kernel 2.6.16.24

linux linux kernel 2.6.25.10

linux linux kernel 2.6.22.11

linux linux kernel 2.6.16.55

linux linux kernel 2.6.23

linux linux kernel 2.6.12.3

linux linux kernel 2.6.22.10

linux linux kernel 2.6.29.6

linux linux kernel 2.6.23.17

linux linux kernel 2.6.27.5

linux linux kernel 2.6.23.2

linux linux kernel 2.6.25.1

linux linux kernel 2.6.25.4

linux linux kernel 2.6.28.9

linux linux kernel 2.6.30.2

linux linux kernel 2.6.7

linux linux kernel 2.6.21.7

linux linux kernel 2.6.16.30

linux linux kernel 2.6.21.2

linux linux kernel 2.6.15.4

linux linux kernel 2.6.27.7

linux linux kernel 2.6.16.59

linux linux kernel 2.6.30.1

linux linux kernel 2.6.16.38

linux linux kernel 2.6.16.17

linux linux kernel 2.6.26.8

linux linux kernel 2.6.20.2

linux linux kernel 2.6.28.6

linux linux kernel 2.6.16.12

linux linux kernel 2.6.16.27

linux linux kernel 2.6.16.53

linux linux kernel 2.6.28.7

linux linux kernel 2.6.12.6

linux linux kernel 2.6.17.7

linux linux kernel 2.6.20.1

linux linux kernel 2.6.11.7

linux linux kernel 2.6.16.2

linux linux kernel 2.6.24.6

linux linux kernel 2.6.18.6

linux linux kernel 2.6.15

linux linux kernel 2.6.16.44

linux linux kernel 2.6.23.12

linux linux kernel 2.6.16.35

linux linux kernel 2.6.19.6

linux linux kernel 2.6.16.50

linux linux kernel 2.6.25.11

linux linux kernel 2.6.27.31

linux linux kernel 2.6.29.2

linux linux kernel 2.6.23.5

linux linux kernel 2.6.22.8

linux linux kernel 2.6.14.2

linux linux kernel 2.6.16.61

linux linux kernel 2.6.19.5

linux linux kernel 2.6.18

linux linux kernel 2.6.27.24

linux linux kernel 2.6.20.4

linux linux kernel 2.6.17.6

linux linux kernel 2.6.23.6

linux linux kernel 2.6.27.2

linux linux kernel 2.6.16.7

linux linux kernel 2.6.17.13

linux linux kernel 2.6.16.60

linux linux kernel 2.6.22.2

linux linux kernel 2.6.8.1

linux linux kernel 2.6.27.11

linux linux kernel 2.6.16.56

linux linux kernel 2.6.22.19

linux linux kernel 2.6.24.3

linux linux kernel 2.6.25

linux linux kernel 2.6.20.14

linux linux kernel 2.6.25.2

linux linux kernel 2.6.22.5

linux linux kernel 2.6.25.7

linux linux kernel 2.6.30.5

linux linux kernel 2.6.25.14

linux linux kernel 2.6.20.7

linux linux kernel 2.6.28.1

linux linux kernel 2.6.16.5

linux linux kernel 2.6.30

linux linux kernel 2.6.11.4

linux linux kernel 2.6.26.4

linux linux kernel 2.6.25.12

linux linux kernel 2.6.16.19

linux linux kernel 2.6.27.6

linux linux kernel 2.6.26.7

linux linux kernel 2.6.25.6

linux linux kernel 2.6.11.12

linux linux kernel 2.6.16.20

linux linux kernel 2.6.15.5

linux linux kernel 2.6.28.10

linux linux kernel 2.6.22.16

linux linux kernel 2.6.11.1

linux linux kernel 2.6.30.3

linux linux kernel 2.6.9

linux linux kernel 2.6.27.23

linux linux kernel 2.6.13.1

linux linux kernel 2.6.23.11

linux linux kernel 2.6.27.14

linux linux kernel 2.6.28

linux linux kernel 2.6.29.5

linux linux kernel 2.6.22.14

linux linux kernel 2.6.6

linux linux kernel 2.6.12

Exploits

Exploit DB: Linux Kernel 2.6.x - 'drivers/char/tty_ldisc.c' Null Pointer Dereference Denial of Service
/* source: wwwsecurityfocuscom/bid/36191/info The Linux kernel is prone to a local denial-of-service vulnerability Attackers can exploit this issue to crash the affected kernel, denying service to legitimate users Given the nature of this issue, attackers may also be able to execute arbitrary code, but this has not been confirmed Thi ...

References

CWE-399http://www.securityfocus.com/bid/36191http://lkml.org/lkml/2009/8/20/27http://lkml.org/lkml/2009/8/20/68http://lkml.org/lkml/2009/8/20/21http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc8http://www.openwall.com/lists/oss-security/2009/08/31/1http://www.openwall.com/lists/oss-security/2009/09/03/6http://www.openwall.com/lists/oss-security/2009/09/03/7http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5c58ceff103d8a654f24769bb1baaf84a841b0cchttps://nvd.nist.govhttps://www.exploit-db.com/exploits/33193/
CVSSv3
CVSSv2
CVSSv3
VMScore
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