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CVE-2024-35983

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 6.8, 5.4.275, 5.10.216, 5.15.158, 6.1.90, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From d6077e0d38b4953c863d0db4a5b3f41d21e0d546 · fixed in d34a516f2635090d36a306f84573e8de3d7374ce; From 83a2275f9d3230c761014b1467888b1ef469be74 · fixed in 66297b2ceda841f809637731d287bda3a93b49d8; From d2a7a81088c6abe778b0a93a7eeb79487a943818 · fixed in 93ba36238db6a74a82feb3dc476e25ea424ad630; From 428ca0000f0abd5c99354c52a36becf2b815ca21 · fixed in 9b7c5004d7c5ae062134052a85290869a015814c; From b46c822f8b555b9513df44047b0e72c06720df62 · fixed in 15aa09d6d84629eb5296de30ac0aa19a33512f16; From cf778fff03be1ee88c49b72959650147573c3301 · fixed in ebfe41889b762f1933c6762f6624b9724a25bee0; From f2d5dcb48f7ba9e3ff249d58fc1fa963d374e66a · fixed in 5af385f5f4cddf908f663974847a4083b2ff2c79; From 6.7.12 · fixed in 6.8

  • Linux Linux

    From 5.4.274 · fixed in 5.4.275; From 5.10.215 · fixed in 5.10.216; From 5.15.154 · fixed in 5.15.158; From 6.1.84 · fixed in 6.1.90; From 6.6.24 · fixed in 6.6.30; From 6.8.3 · fixed in 6.8.9

  • KernelLinux

    From 5.4.274 · fixed in 5.4.275; From 5.10.215 · fixed in 5.10.216; From 5.15.154 · fixed in 5.15.158; From 6.1.84 · fixed in 6.1.90; From 6.6.24 · fixed in 6.6.30; From 6.8.3 · fixed in 6.8.9

References 7

git.kernel.org