CVE-2024-26946
MediumIn the Linux kernel, the following vulnerability has been resolved: kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address Read from an unsafe address with copy_from_kernel_nofault() in arch_adjust_kprobe_addr() because this function is used before checking the address is in text or not. Syzcaller bot found a bug and reported the case if user specifies inaccessible data area, arch_adjust_kprobe_addr() will cause a kernel panic. [ mingo: Clarified the comment. ]
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-617CVE-2024-26946 is classified as CWE-617
See CWE-617 on MITRE CWE for full details on this weakness type.
Affected versions
Linux kernel versions
5.18
and later are affected. Fixed in
6.1.84,
6.6.24,
6.7.12,
6.8.3,
6.9
and their respective stable series.
References
5 total-
Patch
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Patch
Frequently asked questions
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What is CVE-2024-26946?
CVE-2024-26946 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.18 onward and has been patched in 6.1.84, 6.6.24, 6.7.12 and others. CVE-2024-26946 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2024-26946?
CVE-2024-26946 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2024-26946?
Yes. CVE-2024-26946 has been patched. Fixed versions include 6.1.84, 6.6.24, 6.7.12 and others. If you are running Linux kernel 5.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2024-26946 actively exploited?
No. CVE-2024-26946 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.