Vulnerability · Published May 20, 2024 · Assigned by Linux

CVE-2024-35983bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS

Medium 5.5

In plain English

A medium-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 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 85.3% 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: bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS bits_per() rounds up to the next power of two when passed a power of two. This causes crashes on some machines and configurations.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.90-1DEBIAN-CVE-2024-35983
Debian:13linux6.8.9-1DEBIAN-CVE-2024-35983
Debian:14linux6.8.9-1DEBIAN-CVE-2024-35983
Ubuntu:24.04:LTSlinux6.8.0-40.40UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux6.8.0-40.40USN-6949-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-aws6.8.0-1013.14UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-aws6.8.0-1013.14USN-6949-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1013.14~22.04.1UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-azure6.8.0-1012.14UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-azure6.8.0-1012.14USN-6952-2
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1012.14~22.04.1UBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-gcp6.8.0-1012.13USN-6949-1
Ubuntu:24.04:LTSlinux-gcp6.8.0-1012.13UBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1012.13~22.04.1UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-gke6.8.0-1008.11UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-gke6.8.0-1008.11USN-6949-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-40.40~22.04.3UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-ibm6.8.0-1010.10UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-ibm6.8.0-1010.10USN-6949-1
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-40.40.1USN-6949-2
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-40.40.1UBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-40.40.1~22.04.1UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1011.11USN-6949-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1011.11UBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1011.11~22.04.1USN-6949-1
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1011.11~22.04.1UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1011.11.1USN-6952-1
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1011.11.1UBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1010.10UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1010.10USN-6955-1
Ubuntu:24.04:LTSlinux-oracle6.8.0-1010.10USN-6952-1
Ubuntu:24.04:LTSlinux-oracle6.8.0-1010.10UBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1010.10~22.04.1UBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-raspi6.8.0-1009.10USN-6949-2
Ubuntu:24.04:LTSlinux-raspi6.8.0-1009.10UBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-35983
Ubuntu:24.04:LTSlinux-riscv6.8.0-40.40.1UBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-40.40.1~22.04.1UBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-35983
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-35983

Affected products (as reported)

VendorProductVersions
Linux Linux d6077e0d38b4953c863d0db4a5b3f41d21e0d546 – before d34a516f2635090d36a306f84573e8de3d7374ce83a2275f9d3230c761014b1467888b1ef469be74 – before 66297b2ceda841f809637731d287bda3a93b49d8d2a7a81088c6abe778b0a93a7eeb79487a943818 – before 93ba36238db6a74a82feb3dc476e25ea424ad630428ca0000f0abd5c99354c52a36becf2b815ca21 – before 9b7c5004d7c5ae062134052a85290869a015814cb46c822f8b555b9513df44047b0e72c06720df62 – before 15aa09d6d84629eb5296de30ac0aa19a33512f16cf778fff03be1ee88c49b72959650147573c3301 – before ebfe41889b762f1933c6762f6624b9724a25bee0f2d5dcb48f7ba9e3ff249d58fc1fa963d374e66a – before 5af385f5f4cddf908f663974847a4083b2ff2c79b2e1b090a590d41abe647eadb6bf2a5dc47b63ab
Linux Linux 5.4.274 – before 5.4.2755.10.215 – before 5.10.2165.15.154 – before 5.15.1586.1.84 – before 6.1.906.6.24 – before 6.6.306.8.3 – before 6.8.9

References