Vulnerability · Published Feb 21, 2024 · Assigned by Linux
CVE-2023-52441ksmbd: fix out of bounds in init_smb2_rsp_hdr()
Critical 9.1
In plain English
A critical-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.7%top 47.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds in init_smb2_rsp_hdr() If client send smb2 negotiate request and then send smb1 negotiate request, init_smb2_rsp_hdr is called for smb1 negotiate request since need_neg is set to false. This patch ignore smb1 packets after ->need_neg is set to false.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.55-1 | DEBIAN-CVE-2023-52441 |
| Debian:13 | linux | 6.5.3-1 | DEBIAN-CVE-2023-52441 |
| Debian:14 | linux | 6.5.3-1 | DEBIAN-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux | 5.15.0-102.112 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux | 5.15.0-102.112 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1057.63 | USN-6725-2 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1057.63 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1060.69 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1060.69 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1060.69.1 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1060.69.1 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1055.63 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1055.63 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1054.59 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1054.59 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1040.46 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1040.46 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1050.53 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1050.53 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1052.58 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1052.58 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1054.59 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1054.59 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-102.112 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-102.112 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1048.48 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1048.48 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1025.25 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1012.12 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1055.61 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1055.61 | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1050.53 | USN-6725-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1050.53 | UBUNTU-CVE-2023-52441 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2023-52441 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | UBUNTU-CVE-2023-52441 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 51a8534c0f35c0401e45f1055f914729cad98bf9 – before 5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b0b3ec5671ac06829ccebdaeec05acedfec327f42 – before 330d900620dfc9893011d725b3620cd2ee0bc2bc39b291b86b5988bf8753c3874d5c773399d09b96 – before aa669ef229ae8dd779da9caa24e254964545895f39b291b86b5988bf8753c3874d5c773399d09b96 – before 536bb492d39bb6c080c92f31e8a55fe9934f452bcc32cd98a0aee4cc3eb611cbce11795b1aaa738a5.15.105 – before 5.15.1456.1.22 – before 6.1.536.2.9 – before 6.3 |
| Linux | Linux | 6.3 |