CVE-2021-3506
7.1 HIGHAn 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
Published: 2021-04-19 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.1 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- CWE
- CWE-125
Affected products
| Vendor | Product |
|---|---|
| debian | cloud_backup, debian_linux, h300e_firmware |
| linux | cloud_backup, debian_linux, h300e_firmware |
| netapp | cloud_backup, debian_linux, h300e_firmware |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3506
- [Patch]http://www.openwall.com/lists/oss-security/2021/05/08/1
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=1944298
- [Other]https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
- [Other]https://security.netapp.com/advisory/ntap-20210611-0007/
- [Other]https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg2520013.html
- [Patch]https://www.openwall.com/lists/oss-security/2021/03/28/2
- [Patch]http://www.openwall.com/lists/oss-security/2021/05/08/1
- [Other]https://bugzilla.redhat.com/show_bug.cgi?id=1944298
- [Other]https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
- [Other]https://security.netapp.com/advisory/ntap-20210611-0007/
- [Other]https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg2520013.html
- [Patch]https://www.openwall.com/lists/oss-security/2021/03/28/2
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