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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.90-1 | DEBIAN-CVE-2024-35983 |
| Debian:13 | linux | 6.8.9-1 | DEBIAN-CVE-2024-35983 |
| Debian:14 | linux | 6.8.9-1 | DEBIAN-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux | 6.8.0-40.40 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux | 6.8.0-40.40 | USN-6949-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1013.14 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1013.14 | USN-6949-1 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1013.14~22.04.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1012.14 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1012.14 | USN-6952-2 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1012.14~22.04.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1012.13 | USN-6949-1 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1012.13 | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1012.13~22.04.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1008.11 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1008.11 | USN-6949-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-40.40~22.04.3 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1010.10 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1010.10 | USN-6949-1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-40.40.1 | USN-6949-2 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-40.40.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-40.40.1~22.04.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1011.11 | USN-6949-1 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1011.11 | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1011.11~22.04.1 | USN-6949-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1011.11~22.04.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1011.11.1 | USN-6952-1 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1011.11.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1010.10 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1010.10 | USN-6955-1 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1010.10 | USN-6952-1 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1010.10 | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1010.10~22.04.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1009.10 | USN-6949-2 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1009.10 | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-40.40.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-40.40.1~22.04.1 | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-35983 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-35983 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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
- https://git.kernel.org/stable/c/d34a516f2635090d36a306f84573e8de3d7374ce
- https://git.kernel.org/stable/c/66297b2ceda841f809637731d287bda3a93b49d8
- https://git.kernel.org/stable/c/93ba36238db6a74a82feb3dc476e25ea424ad630
- https://git.kernel.org/stable/c/9b7c5004d7c5ae062134052a85290869a015814c
- https://git.kernel.org/stable/c/15aa09d6d84629eb5296de30ac0aa19a33512f16
- https://git.kernel.org/stable/c/ebfe41889b762f1933c6762f6624b9724a25bee0
- https://git.kernel.org/stable/c/5af385f5f4cddf908f663974847a4083b2ff2c79
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html