Vulnerability Description
A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Glibc | >= 2.33, < 2.35 |
| Netapp | Ontap Select Deploy Administration Utility | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-3998Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2024633Issue TrackingPatchThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-3998Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221020-0003/Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=28770Issue TrackingPatchThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687
- https://www.openwall.com/lists/oss-security/2022/01/24/4Mailing ListPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3998Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2024633Issue TrackingPatchThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-3998Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221020-0003/Third Party Advisory
- https://sourceware.org/bugzilla/show_bug.cgi?id=28770Issue TrackingPatchThird Party Advisory
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687
FAQ
What is CVE-2021-3998?
CVE-2021-3998 is a vulnerability with a CVSS score of 7.5 (HIGH). A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.
How severe is CVE-2021-3998?
CVE-2021-3998 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3998?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Glibc, Netapp Ontap Select Deploy Administration Utility, Netapp H300S Firmware, Netapp H300S, Netapp H500S Firmware.