CVE-2023-6606

Kernel: out-of-bounds read vulnerability in smbcalcsize

Published Dec 8, 2023 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

To mitigate this issue, prevent module cifs from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3710-1 linux security update
Debian DLA Debian DLA DLA-3841-1 linux-5.10 security update
EUVD EUVD EUVD-2023-58829 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.
Ubuntu USN Ubuntu USN USN-6602-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6603-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-6604-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6604-2 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6605-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6605-2 Linux kernel (KVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6606-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6607-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-6608-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6608-2 Linux kernel (NVIDIA) vulnerabilities
Ubuntu USN Ubuntu USN USN-6609-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-6609-2 Linux kernel (NVIDIA) vulnerabilities
Ubuntu USN Ubuntu USN USN-6609-3 Linux kernel (Oracle) vulnerabilities
Ubuntu USN Ubuntu USN USN-6628-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6628-2 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-6635-1 Linux kernel (GCP) vulnerabilities
History
Type Values Removed Values Added
First Time appeared Redhat rhel Els
CPEs cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:rhel_els:6
cpe:/o:redhat:rhel_els:7
Vendors & Products Redhat rhel Els
Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Redhat enterprise Linux Eus
Redhat enterprise Linux Server Aus
Redhat enterprise Linux Server For Power Little Endian Update Services For Sap Solutions
CPEs cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.4:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.4:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.4:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.4:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.4:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.7:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.7:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.7:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.7:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.7:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.7:rc6:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:9.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:9.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:9.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.2_ppc64le:*:*:*:*:*:*:*
Vendors & Products Redhat enterprise Linux Eus
Redhat enterprise Linux Server Aus
Redhat enterprise Linux Server For Power Little Endian Update Services For Sap Solutions