CVE-2020-29374
LowAn issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58.
CVSS 3.1 score
3.6
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness type
CWE-362CVE-2020-29374 is a Race Condition vulnerability
What is Race Condition?
The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE
References
9 total-
Packet Stormhttp://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.htmlExploit Third Party Advisory VDB Entry
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Exploit Issue Tracking Third Party Advisory
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Release Notes Third Party Advisory Vendor Advisory
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Patch Vendor Advisory
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Mailing List Third Party Advisory
Frequently asked questions
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What is CVE-2020-29374?
CVE-2020-29374 is a Low severity Linux kernel vulnerability with a CVSS score of 3.6 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2020-29374 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-2020-29374?
CVE-2020-29374 has a CVSS score of 3.6 out of 10, rated Low severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N. -
Is there a patch available for CVE-2020-29374?
Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2020-29374 patch availability.
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Is CVE-2020-29374 actively exploited?
No. CVE-2020-29374 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.