CVE-2021-22600: Linux Kernel Privilege Escalation Vulnerability
First published: Wed Jan 26 2022(Updated: )
A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
Credit: cve-coordination@google.com cve-coordination@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=4.14.175<4.14.259 | |
| Linux Linux kernel | >=4.19.114<4.19.222 | |
| Linux Linux kernel | >=5.4.29<5.4.168 | |
| Linux Linux kernel | >=5.5.14<5.10.88 | |
| Linux Linux kernel | >=5.11<5.15.11 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Netapp H410c Firmware | ||
| Netapp H410c | ||
| Netapp H300s Firmware | ||
| Netapp H300s | ||
| Netapp H500s Firmware | ||
| Netapp H500s | ||
| Netapp H700s Firmware | ||
| Netapp H700s | ||
| Netapp H410s Firmware | ||
| Netapp H410s | ||
| Google Android | ||
| Linux kernel | ||
| All of | ||
| Netapp H410c Firmware | ||
| Netapp H410c | ||
| All of | ||
| Netapp H300s Firmware | ||
| Netapp H300s | ||
| All of | ||
| Netapp H500s Firmware | ||
| Netapp H500s | ||
| 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 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
- https://www.debian.org/security/2022/dsa-5096
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://security.netapp.com/advisory/ntap-20230110-0002/
- https://launchpad.net/bugs/cve/CVE-2021-22600
- https://android.googlesource.com/kernel/common/+/27fc5a7c6972bd73ac0cc0cf811ec2ecb989014f
- https://source.android.com/docs/security/bulletin/2022-05-01 (Advisory)
- https://nvd.nist.gov/vuln/detail/CVE-2021-22600
- https://git.kernel.org/linus/ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
- https://security-tracker.debian.org/tracker/CVE-2021-22600
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22600
- https://ubuntu.com/security/CVE-2021-22600
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