PT-2022-5565 · Linux+7 · Linux Kernel+7
一只狗
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Published
2022-05-09
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Updated
2024-06-15
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CVE-2022-1462
CVSS v3.1
6.3
Medium
| Vector | AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to an out-of-bounds read flaw in the Linux kernel's TeleTYpe subsystem. It occurs due to a race condition triggered by a user using ioctls
TIOCSPTLCK, TIOCGPTPEER, TIOCSTI, and TCXONC, resulting in memory leakage in the flush to ldisc function. This allows a local user to crash the system or read unauthorized random data from memory. The flaw can be exploited to gain access to confidential data and cause a denial of service.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Race Condition
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Linux Kernel
Red Hat
Suse
Ubuntu