CVE-2021-3428
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Summary
A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | kernel | Affects linux kernel before v5.9. | affected |
Weaknesses
- CWE-190: CWE-190 - Integer Overflow or Wraparound
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.redhat.com/show_bug.cgi?id=1972621
- https://ubuntu.com/security/CVE-2021-3428
- https://www.openwall.com/lists/oss-security/2021/03/17/1
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1972621
- https://ubuntu.com/security/CVE-2021-3428
- https://www.openwall.com/lists/oss-security/2021/03/17/1
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