CVE-2021-46965
HighIn the Linux kernel, the following vulnerability has been resolved: mtd: physmap: physmap-bt1-rom: Fix unintentional stack access Cast &data to (char *) in order to avoid unintentionally accessing the stack. Notice that data is of type u32, so any increment to &data will be in the order of 4-byte chunks, and this piece of code is actually intended to be a byte offset. Addresses-Coverity-ID: 1497765 ("Out-of-bounds access")
CVSS 3.1 score
7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness type
CWE-125CVE-2021-46965 is a Out-of-bounds Read vulnerability
What is Out-of-bounds Read?
The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2021-46965 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/34ec706bf0b7c4ca249a729c1bcb91f706c7a7be
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PatchKernel patch commithttps://git.kernel.org/stable/c/4d786870e3262ec098a3b4ed10b895176bc66ecb
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PatchKernel patch commithttps://git.kernel.org/stable/c/4e4ebb827bf09311469ffd9d0c14ed40ed9747aa
Frequently asked questions
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What is CVE-2021-46965?
CVE-2021-46965 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . CVE-2021-46965 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-2021-46965?
CVE-2021-46965 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H. -
Is there a patch available for CVE-2021-46965?
No patch is currently available for CVE-2021-46965. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2021-46965 actively exploited?
No — CVE-2021-46965 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Out-of-bounds Read (CWE-125)?
The product reads data past the end or before the beginning of the intended buffer. View CWE-125 on MITRE CWE →