Vulnerability CVE-2022-1462


Published: 2022-06-02

Description:
An out-of-bounds read flaw was found in the Linux kernel??s TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory.

Type:

CWE-362

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
4.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial
Affected software
Redhat -> Enterprise linux 
Linux -> Linux kernel 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=2078466

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