SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-1883

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

MEDIUM 4.4EPSS 0.34%

Does this matter?

Lower severity and a low EPSS score (0.34%). Track it; it rarely justifies an emergency change on its own.

Description

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

CVSS 2.0
4.4 MEDIUMAV:L/AC:M/Au:N/C:P/I:P/A:P
EPSS
0.34% probability · 27th percentile
CISA KEV
Not listed
Weakness
CWE-264
Affected
linux/linux kernel
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.