4.7

CVE-2009-4895

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.

Data is provided by the National Vulnerability Database (NVD)
LinuxLinux Kernel Version < 2.6.32.6
DebianDebian Linux Version5.0
CanonicalUbuntu Linux Version6.06
CanonicalUbuntu Linux Version8.04 SwEdition-
CanonicalUbuntu Linux Version9.04
CanonicalUbuntu Linux Version9.10
CanonicalUbuntu Linux Version10.04 SwEdition-
CanonicalUbuntu Linux Version10.10
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.06% 0.169
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 4.7 1 3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 4.7 3.4 6.9
AV:L/AC:M/Au:N/C:N/I:N/A:C
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.