CVE-2021-38201: Buffer Overflow
First published: Sun Jun 13 2021(Updated: )
A flaw was found in the Linux kernel that allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations. The highest threat from this vulnerability is to system availability.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:4.18.0-305.17.1.rt7.89.el8_4 | 0:4.18.0-305.17.1.rt7.89.el8_4 |
| redhat/kernel | <0:4.18.0-305.17.1.el8_4 | 0:4.18.0-305.17.1.el8_4 |
| Linux Linux kernel | <5.13.4 | |
| Netapp Hci Bootstrap Os | ||
| Netapp Hci Compute Node | ||
| Netapp Hci Management Node | ||
| Netapp Solidfire | ||
| Netapp Element Software | ||
| Netapp Hci Storage Node | ||
| redhat/Linux kernel | <5.14 | 5.14 |
| Linux Linux kernel | >=5.11.0<5.12.19 | |
| Linux Linux kernel | >=5.13.0<5.13.4 | |
| All of | ||
| Netapp Hci Bootstrap Os | ||
| Netapp Hci Compute Node | ||
| All of | ||
| Netapp Element Software | ||
| Netapp Hci Storage Node | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.9-1 6.12.10-1 |
Remedy
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-38201 https://nvd.nist.gov/vuln/detail/CVE-2021-38201
- https://bugzilla.redhat.com/show_bug.cgi?id=1992731
- https://access.redhat.com/errata/RHSA-2021:3440
- https://access.redhat.com/errata/RHSA-2021:3447
- https://access.redhat.com/security/cve/cve-2021-38201
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
- https://github.com/torvalds/linux/commit/6d1c0f3d28f98ea2736128ed3e46821496dc3a8c
- https://security.netapp.com/advisory/ntap-20210902-0010/
- https://launchpad.net/bugs/cve/CVE-2021-38201
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d1c0f3d28f98ea2736128ed3e46821496dc3a8c
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1992733
- https://git.kernel.org/linus/6d1c0f3d28f98ea2736128ed3e46821496dc3a8c
- https://security-tracker.debian.org/tracker/CVE-2021-38201
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38201
- https://nvd.nist.gov/vuln/detail/CVE-2021-38201
- https://ubuntu.com/security/CVE-2021-38201
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