CVEvulnerability
CVE-2022-1462
6.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-06-02
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.3 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
- CVSS 2.0 ([email protected])
- 3.3 LOW — AV:L/AC:M/Au:N/C:P/I:N/A:P
- Weaknesses
- CWE-362
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.
Affected configurations
• linux linux kernel
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2078466 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing List, Third Party Advisory
- https://seclists.org/oss-sec/2022/q2/155 Exploit, Mailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2078466 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing List, Third Party Advisory
- https://seclists.org/oss-sec/2022/q2/155 Exploit, Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html cert-portal.siemens.com