CVE-2009-4895
Medium
Description
Race condition in the tty_fasync function in drivers/char/tty_io.c in the Linux kernel before 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.
SeverityMedium
CVSS4.7
Exploit probability—
Product
Linux Kernel
PublishedSep 8, 2010
First seenSep 8, 2010
How to fix
Update
- linux linux_kernel2.6.32.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 2.6.32.6 | 2.6.32.6 |
| debian debian_linux | 5.0 | — |
| canonical ubuntu_linux | 6.06, 8.04, 9.04, 9.10, 10.04, 10.10 | — |
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