Vulnerability · Published May 19, 2024 · Assigned by Linux
CVE-2024-35864smb: client: fix potential UAF in smb2_is_valid_lease_break()
Critical 9.8
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 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 48.2% 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: smb: client: fix potential UAF in smb2_is_valid_lease_break() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.85-1 | DEBIAN-CVE-2024-35864 |
| Debian:13 | linux | 6.8.9-1 | DEBIAN-CVE-2024-35864 |
| Debian:14 | linux | 6.8.9-1 | DEBIAN-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux | 5.15.0-136.147 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux | 5.15.0-136.147 | USN-7406-1 |
| Ubuntu:24.04:LTS | linux | 6.8.0-38.38 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1081.88 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1081.88 | UBUNTU-CVE-2024-35864 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1011.12 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1011.12~22.04.1 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1086.95 | USN-7420-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1086.95 | UBUNTU-CVE-2024-35864 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1010.10 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1010.10~22.04.1 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1086.95.1 | USN-7420-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1086.95.1 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1080.89 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1080.89 | USN-7406-1 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1010.11 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1078.84 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1078.84 | UBUNTU-CVE-2024-35864 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1006.9 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1063.71 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1063.71 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1073.76 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1073.76 | USN-7406-1 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1008.8 | UBUNTU-CVE-2024-35864 |
| Ubuntu:24.04:LTS | linux-intel | 6.8.0-1007.14 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1076.82 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1076.82 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1077.82 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1077.82 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-136.147 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-136.147 | UBUNTU-CVE-2024-35864 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-38.38.1 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1075.76 | USN-7406-5 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1075.76 | UBUNTU-CVE-2024-35864 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1009.9 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1009.9~22.04.1 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1034.34 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1034.34 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1022.22 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1022.22 | USN-7406-6 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1008.8 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1078.84 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1078.84 | USN-7406-1 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1008.8 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1008.8~22.04.1 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1075.78 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1075.78 | UBUNTU-CVE-2024-35864 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1007.7 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-38.38.1 | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-35864 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1046.50 | USN-7475-1 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1046.50 | UBUNTU-CVE-2024-35864 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 7f48558e6489d032b1584b0cc9ac4bb11072c034 – before c868cabdf6fdd61bea54532271f4708254e57fc57f48558e6489d032b1584b0cc9ac4bb11072c034 – before f92739fdd4522c4291277136399353d7c341fae47f48558e6489d032b1584b0cc9ac4bb11072c034 – before a8344e2b69bde63f713b0aa796d70dbeadffddfb7f48558e6489d032b1584b0cc9ac4bb11072c034 – before 705c76fbf726c7a2f6ff9143d4013b18daaaebf1a67172a013953664b1dad03c648200c70b90506c3.12.48 – before 3.13 |
| Linux | Linux | 3.13 |