CVE-2023-35788
- State
- Published
- Severity
- 7.8 High
- Published
- Jun 16, 2023
- Updated
- Sep 18, 2026
- Reserved
- Jun 16, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://www.openwall.com/lists/oss-security/2023/06/07/1
- https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825c
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7
- [oss-security] 20230617 Re: Linux kernel: off-by-one in fl_set_geneve_optmailing-list
- DSA-5448vendor-advisory
- https://security.netapp.com/advisory/ntap-20230714-0002/
- [debian-lts-announce] 20230727 [SECURITY] [DLA 3508-1] linux security updatemailing-list
- DSA-5480vendor-advisory
- http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
- [debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security updatemailing-list
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