medium6.6Known exploited
CVE-2021-22600
Linux Kernel Privilege Escalation Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-04-11. Federal due date: 2022-05-02.
Apply updates per vendor instructions.
Impact
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
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Netapp | 8300 Firmware | All versions |
| Netapp | 8700 Firmware | All versions |
| Netapp | A400 Firmware | All versions |
| Netapp | C400 Firmware | All versions |
| Linux | Linux Kernel | from 4.14.175 before 4.14.259 from 4.19.114 before 4.19.222 from 5.4.29 before 5.4.168 from 5.5.14 before 5.10.88 from 5.11 before 5.15.11 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
| Netapp | H410c Firmware | All versions |
| Netapp | H300s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
| Netapp | H410s Firmware | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://security.netapp.com/advisory/ntap-20230110-0002/
- https://www.debian.org/security/2022/dsa-5096
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://security.netapp.com/advisory/ntap-20230110-0002/
- https://www.debian.org/security/2022/dsa-5096
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22600