6.9

CVE-2009-1897

Exploit

The tun_chr_poll function in drivers/net/tun.c in the tun subsystem in the Linux kernel 2.6.30 and 2.6.30.1, when the -fno-delete-null-pointer-checks gcc option is omitted, allows local users to gain privileges via vectors involving a NULL pointer dereference and an mmap of /dev/net/tun, a different vulnerability than CVE-2009-1894.

Data is provided by the National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version2.6.30
Linux ≫ Linux Kernel Version2.6.30 Updaterc1
Linux ≫ Linux Kernel Version2.6.30 Updaterc2
Linux ≫ Linux Kernel Version2.6.30 Updaterc3
Linux ≫ Linux Kernel Version2.6.30 Updaterc4 Editionx86_32
Linux ≫ Linux Kernel Version2.6.30 Updaterc5
Linux ≫ Linux Kernel Version2.6.30 Updaterc6
Linux ≫ Linux Kernel Version2.6.30 Updaterc7-git6
Linux ≫ Linux Kernel Version2.6.30.1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 2.92% 0.859
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.