High severity · published Dec 8, 2023
CVE-2023-6606
Kernel: out-of-bounds read vulnerability in smbcalcsize
7.1
CVSS
0.5%
EPSS
No
On KEV
Description
An out-of-bounds read vulnerability was found in smbCalcSize in fs/smb/client/netmisc.c in the Linux Kernel. This issue could allow a local attacker to crash the system or leak internal kernel information.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
6.4.1 before 6.7; 6.4; 6.4; 6.4; 6.4; 6.4; +6 more · source: NVD
RH
RHOL-5.8-RHEL-9 · Red Hat
All versions, or not specified · source: vendor
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
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.6 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8.8 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9.2 Extended Update Support · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
EL
Enterprise Linux · Redhat
8.0; 9.0 · source: NVD
EL
Enterprise Linux Eus · Redhat
9.2; 9.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6606
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6606
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0723
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0725
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0881
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:0897
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:1188
Third Party Advisory
https://access.redhat.com/errata/RHSA-2024:1248
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