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Status published
High
CVE-2021-3506
An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c...
Vulnerability Description
An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1944298
- https://www.openwall.com/lists/oss-security/2021/03/28/2
- https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg2520013.html
- http://www.openwall.com/lists/oss-security/2021/05/08/1
- https://security.netapp.com/advisory/ntap-20210611-0007/
- https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
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Affected Vendor
Affected Software
kernel
Vulnerable Versions:
kernel 5.12.0-rc4
Timeline
Official Publish:
April 19th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H