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CVE-2024-40901 Details

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory There is a potential out-of-bounds access when using test_bit() on a single word. The test_bit() and set_bit() functions operate on long values, and when testing or setting a single word, they can exceed the word boundary. KASAN detects this issue and produces a dump: BUG: KASAN: slab-out-of-bounds in _scsih_add_device.constprop.0 (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 drivers/scsi/mpt3sas/mpt3sas_scsih.c:7331) mpt3sas Write of size 8 at addr ffff8881d26e3c60 by task kworker/u1536:2/2965 For full log, please look at [1]. Make the allocation at least the size of sizeof(unsigned long) so that set_bit() and test_bit() have sufficient room for read/write operations without overwriting unallocated memory. [1] Link: https://lore.kernel.org/all/[email protected]/

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: kernel.orgCVSS-B:7.3 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16	kernel.org	Mailing ListPatch
https://git.kernel.org/stable/c/18abb5db0aa9b2d48f7037a88b41af2eef821674	kernel.org	Mailing ListPatch
https://git.kernel.org/stable/c/19649e49a6df07cd2e03e0a11396fd3a99485ec2	kernel.org	Mailing ListPatch
https://git.kernel.org/stable/c/4254dfeda82f20844299dca6c38cbffcfd499f41	kernel.org	Mailing ListPatch
https://git.kernel.org/stable/c/46bab2bcd771e725ff5ca3a68ba68cfeac45676c	kernel.org	Mailing ListPatch
https://git.kernel.org/stable/c/521f333e644c4246ca04a4fc4772edc53dd2a801	kernel.org	Mailing ListPatch
https://git.kernel.org/stable/c/9079338c5a0d1f1fee34fb1c9e99b754efe414c5	kernel.org	Mailing ListPatch
https://git.kernel.org/stable/c/e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee	kernel.org	Mailing ListPatch
https://git.kernel.org/stable/c/0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16	CVE	Mailing ListPatch
https://git.kernel.org/stable/c/18abb5db0aa9b2d48f7037a88b41af2eef821674	CVE	Mailing ListPatch
https://git.kernel.org/stable/c/19649e49a6df07cd2e03e0a11396fd3a99485ec2	CVE	Mailing ListPatch
https://git.kernel.org/stable/c/4254dfeda82f20844299dca6c38cbffcfd499f41	CVE	Mailing ListPatch
https://git.kernel.org/stable/c/46bab2bcd771e725ff5ca3a68ba68cfeac45676c	CVE	Mailing ListPatch
https://git.kernel.org/stable/c/521f333e644c4246ca04a4fc4772edc53dd2a801	CVE	Mailing ListPatch
https://git.kernel.org/stable/c/9079338c5a0d1f1fee34fb1c9e99b754efe414c5	CVE	Mailing ListPatch
https://git.kernel.org/stable/c/e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee	CVE	Mailing ListPatch
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html	CVE

see all 17 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 4.10, < 4.19.317 >= 4.20, < 5.4.279 >= 5.5, < 5.10.221 >= 5.11, < 5.15.162 >= 5.16, < 6.1.95
CPE cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:6.10:rc1:::::: cpe:2.3:o:linux:linux_kernel:6.10:rc2:::::: cpe:2.3:o:linux:linux_kernel:6.10:rc3:::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Aug 4, 2026	CVE Modified	kernel.org
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	kernel.org
Nov 3, 2025	CVE Modified	CVE
Mar 5, 2025	Initial Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
Jul 12, 2024	New CVE Received	kernel.org