CVE-2022-1462
MEDIUM severity · CVSS 6.3 · CWE-362
6.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected products we track (3)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.