CVE-2021-4157: Buffer Overflow
First published: Mon May 17 2021(Updated: )
A flaw was found in the Linux kernel. A incorrect size check in decode_nfs_fh() may lead to an overwrite of 2 bytes beyond destination. References: <a href="https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/">https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel-rt | <0:4.18.0-372.9.1.rt7.166.el8 | 0:4.18.0-372.9.1.rt7.166.el8 |
| redhat/kernel | <0:4.18.0-372.9.1.el8 | 0:4.18.0-372.9.1.el8 |
| redhat/kernel | <5.13 | 5.13 |
| Linux Linux kernel | >=4.0<4.4.269 | |
| Linux Linux kernel | >=4.5<4.9.269 | |
| Linux Linux kernel | >=4.10<4.14.233 | |
| Linux Linux kernel | >=4.15<4.19.191 | |
| Linux Linux kernel | >=4.20<5.4.120 | |
| Linux Linux kernel | >=5.5<5.10.38 | |
| Linux Linux kernel | >=5.11<5.11.22 | |
| Linux Linux kernel | >=5.12<5.12.5 | |
| Fedoraproject Fedora | =35 | |
| Netapp H300e Firmware | ||
| Netapp H300e | ||
| Netapp H300s Firmware | ||
| Netapp H300s | ||
| Netapp H500e Firmware | ||
| Netapp H500e | ||
| Netapp H500s Firmware | ||
| Netapp H500s | ||
| Netapp H700e Firmware | ||
| Netapp H700e | ||
| Netapp H700s Firmware | ||
| Netapp H700s | ||
| Netapp H410s Firmware | ||
| Netapp H410s | ||
| Oracle Communications Cloud Native Core Binding Support Function | =22.1.1 | |
| Oracle Communications Cloud Native Core Binding Support Function | =22.1.3 | |
| Oracle Communications Cloud Native Core Binding Support Function | =22.2.0 | |
| All of | ||
| Netapp H300e Firmware | ||
| Netapp H300e | ||
| All of | ||
| Netapp H300s Firmware | ||
| Netapp H300s | ||
| All of | ||
| Netapp H500e Firmware | ||
| Netapp H500e | ||
| All of | ||
| Netapp H500s Firmware | ||
| Netapp H500s | ||
| All of | ||
| Netapp H700e Firmware | ||
| Netapp H700e | ||
| All of | ||
| Netapp H700s Firmware | ||
| Netapp H700s | ||
| All of | ||
| Netapp H410s Firmware | ||
| Netapp H410s | ||
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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-2021-4157 https://nvd.nist.gov/vuln/detail/CVE-2021-4157 https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/
- https://bugzilla.redhat.com/show_bug.cgi?id=2034342
- https://access.redhat.com/errata/RHSA-2022:1975
- https://access.redhat.com/errata/RHSA-2022:1988
- https://access.redhat.com/security/cve/cve-2021-4157
- https://lore.kernel.org/lkml/20210517140244.822185482@linuxfoundation.org/
- https://security.netapp.com/advisory/ntap-20220602-0007/
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://launchpad.net/bugs/cve/CVE-2021-4157
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2034343
- https://lore.kernel.org/lkml/20210517140244.822185482%40linuxfoundation.org/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4157
- https://nvd.nist.gov/vuln/detail/CVE-2021-4157
- https://security-tracker.debian.org/tracker/CVE-2021-4157
- https://ubuntu.com/security/CVE-2021-4157
- https://git.kernel.org/linus/ed34695e15aba74f45247f1ee2cf7e09d449f925
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- version/linux linux kernel/5.5
- version/linux linux kernel/5.11
- version/linux linux kernel/5.12
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/35
- vendor/netapp
- canonical/netapp h300e firmware
- canonical/netapp h300e
- canonical/netapp h300s firmware
- canonical/netapp h300s
- canonical/netapp h500e firmware
- canonical/netapp h500e
- canonical/netapp h500s firmware
- canonical/netapp h500s
- canonical/netapp h700e firmware
- canonical/netapp h700e
- canonical/netapp h700s firmware
- canonical/netapp h700s
- canonical/netapp h410s firmware
- canonical/netapp h410s
- vendor/oracle
- canonical/oracle communications cloud native core binding support function
- version/oracle communications cloud native core binding support function/22.1.1
- version/oracle communications cloud native core binding support function/22.1.3
- version/oracle communications cloud native core binding support function/22.2.0
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