Vulnerability Description
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
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netapp | 8300 Firmware | - |
| Netapp | 8300 | - |
| Netapp | 8700 Firmware | - |
| Netapp | 8700 | - |
| Netapp | A400 Firmware | - |
| Netapp | A400 | - |
| Netapp | C400 Firmware | - |
| Netapp | C400 | - |
| Linux | Linux Kernel | >= 4.14.175, < 4.14.259 |
| Debian | Debian Linux | 9.0 |
| 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 | - |
Related Weaknesses (CWE)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6Mailing ListPatch
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230110-0002/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5096Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6Mailing ListPatch
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230110-0002/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5096Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-US Government Resource
FAQ
What is CVE-2021-22600?
CVE-2021-22600 is a vulnerability with a CVSS score of 6.6 (MEDIUM). 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 th...
How severe is CVE-2021-22600?
CVE-2021-22600 has been rated MEDIUM with a CVSS base score of 6.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-22600?
Check the references section above for vendor advisories and patch information. Affected products include: Netapp 8300 Firmware, Netapp 8300, Netapp 8700 Firmware, Netapp 8700, Netapp A400 Firmware.