Vulnerability Description
An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.19, < 4.19.285 |
| Debian | Debian Linux | 12.0 |
| Netapp | H300S | - |
| Netapp | H300S Firmware | - |
| Netapp | H500S | - |
| Netapp | H500S Firmware | - |
| Netapp | H700S | - |
| Netapp | H700S Firmware | - |
| Netapp | H410S | - |
| Netapp | H410S Firmware | - |
| Netapp | H410C | - |
| Netapp | H410C Firmware | - |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSThird Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2023/06/17/1ExploitMailing List
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7Mailing ListPatch
- https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825cPatch
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20230714-0002/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5448Third Party Advisory
- https://www.debian.org/security/2023/dsa-5480Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/06/07/1ExploitMailing List
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSThird Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2023/06/17/1ExploitMailing List
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7Mailing ListPatch
- https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825cPatch
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2023-35788?
CVE-2023-35788 is a vulnerability with a CVSS score of 7.8 (HIGH). An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENE...
How severe is CVE-2023-35788?
CVE-2023-35788 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-35788?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Netapp H300S, Netapp H300S Firmware, Netapp H500S.