Medium severity · published May 20, 2024
CVE-2024-35983
bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS
5.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.4.274 before 5.4.275; 5.10.215 before 5.10.216; 5.15.154 before 5.15.158; 6.1.84 before 6.1.90; 6.6.24 before 6.6.30; 6.7.12 before 6.8; +1 more · source: NVD
LI
Linux · Linux
d6077e0d38b4953c863d0db4a5b3f41d21e0d546 before d34a516f2635090d36a306f84573e8de3d7374ce; 83a2275f9d3230c761014b1467888b1ef469be74 before 66297b2ceda841f809637731d287bda3a93b49d8; d2a7a81088c6abe778b0a93a7eeb79487a943818 before 93ba36238db6a74a82feb3dc476e25ea424ad630; 428ca0000f0abd5c99354c52a36becf2b815ca21 before 9b7c5004d7c5ae062134052a85290869a015814c; b46c822f8b555b9513df44047b0e72c06720df62 before 15aa09d6d84629eb5296de30ac0aa19a33512f16; cf778fff03be1ee88c49b72959650147573c3301 before ebfe41889b762f1933c6762f6624b9724a25bee0; +9 more · source: vendor
RR
RUGGEDCOM RST2428P · Siemens
before V3.1 · source: CISA
SX
SCALANCE XCM-/XRM-/XCH-/XRH-300 family · Siemens
before V3.1 · source: CISA
SS
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · Siemens
before V1.1.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-35983
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-35983
Patch
https://git.kernel.org/stable/c/15aa09d6d84629eb5296de30ac0aa19a33512f16
Patch
https://git.kernel.org/stable/c/5af385f5f4cddf908f663974847a4083b2ff2c79
Patch
https://git.kernel.org/stable/c/66297b2ceda841f809637731d287bda3a93b49d8
Patch
https://git.kernel.org/stable/c/93ba36238db6a74a82feb3dc476e25ea424ad630
Patch
https://git.kernel.org/stable/c/9b7c5004d7c5ae062134052a85290869a015814c
Patch
https://git.kernel.org/stable/c/d34a516f2635090d36a306f84573e8de3d7374ce
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