High severity · published Jan 17, 2024
CVE-2024-0646
An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the…
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
4.20 before 5.4.267; 5.5 before 5.10.208; 5.11 before 5.15.147; 5.16 before 6.1.69; 6.2 before 6.6.7; 6.7; +3 more · source: NVD
EL
Enterprise Linux · Redhat
8.0; 9.0 · source: NVD