High severity · published Jan 23, 2024
CVE-2023-39197
Kernel: dccp: conntrack out-of-bounds read in nf_conntrack_dccp_packet()
7.5
CVSS
1%
EPSS
No
On KEV
Description
An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
2.6.26 before 5.4.251; 5.5 before 5.10.188; 5.11 before 5.15.121; 5.16 before 6.1.39; 6.2 before 6.3.13; 6.4 before 6.4.4 · source: NVD
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
FE
Fedora · Fedoraproject
38 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39197
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39197
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-39197
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2218342
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