CVE-2022-1462
MEDIUM 6.3EPSS 0.3%
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.
- Affected
- kernel
- CVSS v3.1 NVD
- 6.3 MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H - CVSS v2.0 NVD
- 3.3 LOW
AV:L/AC:M/Au:N/C:P/I:N/A:P - EPSS
- 0.34% chance of exploitation in the next 30 days, 26th percentile
- Published
- 2022-05-31
- Updated
- 2026-10-14
Proof-of-concept exploits (1)
Security advisories
- https://bugzilla.redhat.com/show_bug.cgi?id=2078466
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html