Medium severity · published Nov 14, 2024
CVE-2023-4134
A use-after-free vulnerability was found in the cyttsp4_core driver in the Linux kernel
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
A use-after-free vulnerability was found in the cyttsp4_core driver in the Linux kernel. This issue occurs in the device cleanup routine due to a possible rearming of the watchdog_timer from the workqueue. This could allow a local user to crash the system, causing a denial of service.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 6.5 · source: NVD
FE
Fedora · Fedoraproject
38 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4134
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4134
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-4134
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2221700
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