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4.7
CVSSv3

CVE-2009-4895

Published: 08/09/2010 Updated: 28/12/2023
CVSS v2 Base Score: 4.7 | Impact Score: 6.9 | Exploitability Score: 3.4
CVSS v3 Base Score: 4.7 | Impact Score: 3.6 | Exploitability Score: 1
VMScore: 418
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C
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Vulnerability Summary

Race condition in the tty_fasync function in drivers/char/tty_io.c in the Linux kernel prior to 2.6.32.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via unknown vectors, related to the put_tty_queue and __f_setown functions. NOTE: the vulnerability was addressed in a different way in 2.6.32.9.

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Vendor Advisories

Debian Security Advisories: DSA-2094-1 linux-2.6 -- privilege escalation/denial of service/information leak
Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2009-4895 Kyle Bader reported an issue in the tty subsystem that allows local users to create a denial of service (NULL pointe ...
Ubuntu Security Notice: linux-lts-backport-maverick vulnerabilities
Multiple kernel flaws ...
Ubuntu Security Notice: linux, linux-ec2, linux-source-2.6.15 vulnerabilities
Multiple security issues fixed ...
Ubuntu Security Notice: linux-fsl-imx51 vulnerabilities
Multiple kernel flaws ...
Ubuntu Security Notice: linux-fsl-imx51 vulnerabilities
Multiple kernel flaws ...

References

CWE-362CWE-476http://www.openwall.com/lists/oss-security/2010/06/15/4http://www.openwall.com/lists/oss-security/2010/06/15/2https://bugzilla.redhat.com/show_bug.cgi?id=559100http://www.openwall.com/lists/oss-security/2010/06/15/5http://www.openwall.com/lists/oss-security/2010/06/15/3https://bugzilla.kernel.org/show_bug.cgi?id=14605http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.6http://www.debian.org/security/2010/dsa-2094http://www.ubuntu.com/usn/USN-1000-1http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=703625118069f9f8960d356676662d3db5a9d116https://nvd.nist.govhttps://www.debian.org/security/./dsa-2094https://usn.ubuntu.com/1083-1/
CVSSv3
CVSSv2
CVSSv3
VMScore
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