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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

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.85-1DEBIAN-CVE-2024-35864
Debian:13linux6.8.9-1DEBIAN-CVE-2024-35864
Debian:14linux6.8.9-1DEBIAN-CVE-2024-35864
Ubuntu:22.04:LTSlinux5.15.0-136.147UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux5.15.0-136.147USN-7406-1
Ubuntu:24.04:LTSlinux6.8.0-38.38UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-aws5.15.0-1081.88USN-7406-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1081.88UBUNTU-CVE-2024-35864
Ubuntu:24.04:LTSlinux-aws6.8.0-1011.12UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1011.12~22.04.1UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-azure5.15.0-1086.95USN-7420-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1086.95UBUNTU-CVE-2024-35864
Ubuntu:24.04:LTSlinux-azure6.8.0-1010.10UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1010.10~22.04.1UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1086.95.1USN-7420-1
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1086.95.1UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-gcp5.15.0-1080.89UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-gcp5.15.0-1080.89USN-7406-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1010.11UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-gke5.15.0-1078.84USN-7406-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1078.84UBUNTU-CVE-2024-35864
Ubuntu:24.04:LTSlinux-gke6.8.0-1006.9UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1063.71UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1063.71USN-7406-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-ibm5.15.0-1073.76UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-ibm5.15.0-1073.76USN-7406-1
Ubuntu:24.04:LTSlinux-ibm6.8.0-1008.8UBUNTU-CVE-2024-35864
Ubuntu:24.04:LTSlinux-intel6.8.0-1007.14UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1076.82USN-7406-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1076.82UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-kvm5.15.0-1077.82UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-kvm5.15.0-1077.82USN-7406-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-136.147USN-7406-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-136.147UBUNTU-CVE-2024-35864
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-38.38.1UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1075.76USN-7406-5
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1075.76UBUNTU-CVE-2024-35864
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1009.9UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1009.9~22.04.1UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1034.34UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1034.34USN-7406-1
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1022.22UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1022.22USN-7406-6
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1008.8UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-oracle5.15.0-1078.84UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-oracle5.15.0-1078.84USN-7406-1
Ubuntu:24.04:LTSlinux-oracle6.8.0-1008.8UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1008.8~22.04.1UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-raspi5.15.0-1075.78USN-7406-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1075.78UBUNTU-CVE-2024-35864
Ubuntu:24.04:LTSlinux-raspi6.8.0-1007.7UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-35864
Ubuntu:24.04:LTSlinux-riscv6.8.0-38.38.1UBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-35864
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1046.50USN-7475-1
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1046.50UBUNTU-CVE-2024-35864

Affected products (as reported)

VendorProductVersions
Linux Linux 7f48558e6489d032b1584b0cc9ac4bb11072c034 – before c868cabdf6fdd61bea54532271f4708254e57fc57f48558e6489d032b1584b0cc9ac4bb11072c034 – before f92739fdd4522c4291277136399353d7c341fae47f48558e6489d032b1584b0cc9ac4bb11072c034 – before a8344e2b69bde63f713b0aa796d70dbeadffddfb7f48558e6489d032b1584b0cc9ac4bb11072c034 – before 705c76fbf726c7a2f6ff9143d4013b18daaaebf1a67172a013953664b1dad03c648200c70b90506c3.12.48 – before 3.13
Linux Linux 3.13

References