High severity7.1NVD Advisory· Published Apr 19, 2021· Updated Jun 17, 2026
CVE-2021-3506
CVE-2021-3506
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.
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Affected products
2- Linux/Linux kerneldescription
- Range: <5.12.0-rc4
Patches
Vulnerability mechanics
References
6- www.openwall.com/lists/oss-security/2021/05/08/1nvdMailing ListPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2021/03/28/2nvdMailing ListPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/06/msg00019.htmlnvdMailing ListThird Party Advisory
- security.netapp.com/advisory/ntap-20210611-0007/nvdThird Party Advisory
- www.mail-archive.com/linux-kernel%40vger.kernel.org/msg2520013.htmlnvd
News mentions
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